314 lines
8.5 KiB
C
314 lines
8.5 KiB
C
#include <stdio.h>
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#include <time.h>
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#include <stdlib.h>
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void print_menu(){
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printf("\n[*] guess a number from 0 to 10\n");
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printf( "[*] press:\n"
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"\t1 to play\n"
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"\t2 to try again\n"
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"\t...or anything else to exit\n\n");
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}
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int lemmego(){
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printf("[*] you wished to go, quitting...\n");
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return EXIT_SUCCESS;
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}
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int get_rand(){
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int ar [10];
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for (int i = 0; i < 10; i++) {
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int dat_num = 1+ (rand() % 10);
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ar[i] = dat_num;
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}
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int r = ar[rand() % 10];
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return r;
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}
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int get_userguess(){
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int x = -1;
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int ok = -1;
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while( ok != 1){
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ok = scanf("%d", &x);
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if(ok == EOF){
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printf("\ncaught Ctrl+D...\n");
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ok = 1;
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x = 2;
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break;
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}
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if(ok == 0){
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while (fgetc(stdin) != '\n'){
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}
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printf("[*] give me a correct value\n");
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printf("[*] stop gibbering around\n my guess >>> ");
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}
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}
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return x;
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}
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void read_selection(int selection){
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int ok;
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while(ok != 1) {
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ok = scanf("%d", &selection);
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if(ok == EOF){
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printf("[*] please, come on...\n");
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ok = 1;
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lemmego();
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}
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if(ok == 0){
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while (fgetc(stdin) != '\n'){
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}
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lemmego();
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return;
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}
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}
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}
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void compare_guess_with_reality(int userguess, int reality){
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if(userguess == reality){
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printf("[*] you won because you've got luck. try me next time!\n");
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}else if(userguess < reality){
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printf("[*] you lost!\n");
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printf("\thint: your guess was just a tad lower than the secret number\n");
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}else{
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printf("[*] you lost!\n");
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printf("[i] hint: your guess was just a tad higher than the secret number\n");
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}
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}
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void guess(){
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srand(time(0));
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int userchoice = -1;
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int nurand = -1;
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printf("\nwelcome to the guessing game\n");
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while (userchoice != 3){
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int userguess = -1;
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int ok = -1;
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print_menu();
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while(ok != 1){
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printf("[*] you >>> ");
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ok = scanf("%d", &userchoice);
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if(ok == EOF){
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printf("[*] please, come on...\n");
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lemmego();
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break;
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}
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if(ok == 0){
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while (fgetc(stdin) != '\n'){
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}
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lemmego();
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return;
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}
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}
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switch( userchoice ) {
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case 1:
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nurand = get_rand();
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printf( "[?] what is your guess then? pick a number from 0 to 10\n" );
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printf(" my guess >>> ");
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userguess = get_userguess();
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compare_guess_with_reality(userguess, nurand);
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break;
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case 2:
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if(nurand == -1){
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printf("[!] there wasn't a first time yet, mate...\n");
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break;
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}
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printf("[*] guess again\n");
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printf( "[?] what is your guess then? pick a number from 0 to 10\n" );
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printf(" my guess >>> ");
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userguess = get_userguess();
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compare_guess_with_reality(userguess, nurand);
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break;
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default:
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userchoice = 3;
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lemmego();
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}
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}
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}
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void print_rand_bs(){
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printf("\n\n[*] printing rand\n");
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printf("seed\trand1\trand2\trand3\trand4\trand5\trand6\trand7\n");
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for (unsigned int i = 1; i < 6; i++){
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unsigned int seed = i;
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srand(seed);
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printf("%d\t", seed);
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for (int j = 0; j < 7; j++){
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printf("%d\t", rand() % 101);
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}
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printf("\n");
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}
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}
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void default_flow(char operator, int a, int b, int result){
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int answer = 0;
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printf("a: %d\tb: %d\n", a, b);
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printf("what is %d %c %d?\n>> ", a, operator, b);
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answer = get_userguess();
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if (answer == result){
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printf("splendid. you win %d czk!\n", rand());
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}
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else {
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printf("incorrect, %d %c %d is %d.\n", a, operator, b, result);
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}
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}
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void another_bs(){
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int a, b, result, answer, selection;
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int upper_limit = 10;
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srand(time(NULL));
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printf("\n\nwelcome to the math game\n");
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while ( selection != 8 ) {
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printf("\npick a number\n");
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printf("1 - addition\n"
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"2 - subtraction\n"
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"3 - multiplication\n"
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"4 - division\n"
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"5 - modulo\n"
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"6 - set upper_limit for x = rand() mod upper_limit\n"
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"7 - XOR\n"
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"8 - quit\n"
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">> ");
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selection = get_userguess();
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a= 1 + (rand() % upper_limit);
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b = 1 + (rand() % upper_limit);
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switch ( selection ) {
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case 1:
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result = a + b;
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default_flow('+', a, b, result);
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break;
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case 2:
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result = a - b;
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default_flow('-', a, b, result);
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break;
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case 3:
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result = a * b;
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default_flow('*',a , b, result);
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break;
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case 4:
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result = a / b;
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default_flow('/', a, b, result);
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break;
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case 5:
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printf("a: %d\tb: %d\n", a, b);
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result = a % b;
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printf("what is %d mod %d?\n>> ", a, b);
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answer = get_userguess();
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if (answer == result)
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printf("splendid. you win %d czk!\n", rand());
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else
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printf("incorrect, %d mod %d je %d.\n", a, b, result);
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break;
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case 6:
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printf(" default limit: 10\n"
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" * current limit: %d\n", upper_limit);
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printf(" new limit\t>> ");
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upper_limit = get_userguess();
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printf("\n * new limit: %d\n", upper_limit);
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break;
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case 7:
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result = a ^ b;
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default_flow('^',a, b, result);
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break;
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case 8:
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lemmego();
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return;
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default:
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printf("invalid option\n");
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selection = 0;
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break;
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}
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}
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}
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void print_some_multiples_of_five(){
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for (int i = 1; i <= 20; ++i) {
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printf("i = %d\n", i*5);
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}
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}
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void gimme_leap_years(){
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int former, latter, selection;
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printf("\ncalculate leap years for a given range\n");
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while ( selection != 2 ) {
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printf("\n1 - calculate\n"
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"2 - quit\n"
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">> ");
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selection = 0;
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selection = get_userguess();
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switch (selection) {
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case 1:
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printf("the former year\n>> ");
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former = get_userguess();
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printf("the latter year\n>> ");
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latter = get_userguess();
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if (former > latter) {
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int tmp = latter;
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latter = former;
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former = tmp;
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}
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for (int i = former; i <= latter; ++i) {
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int year = i;
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if (year % 4 == 0) {
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if (year % 100 == 0) {
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if (year % 400 == 0) {
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printf("year %d is a leap year\n", year);
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continue;
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} else {
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printf("year %d is NOT a leap year\n", year);
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continue;
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}
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printf("year %d is NOT a leap year\n", year);
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continue;
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}
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printf("year %d is a leap year\n", year);
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continue;
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} else {
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printf("year %d is NOT a leap year\n", year);
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continue;
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}
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}
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printf("range %d..%d (%d years)\n", former, latter, latter - former);
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break;
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case 2:
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lemmego();
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return;
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break;
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default:
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printf("invalid option\n");
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selection = 0;
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break;
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}
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}
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}
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int main(int argc, char *argv[])
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{
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print_rand_bs();
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guess();
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another_bs();
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print_some_multiples_of_five();
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gimme_leap_years();
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return 0;
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}
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