c-practice/coinflip.c

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main() {
    srand((unsigned) time(NULL));

    printf("How many times would you like to flip the coin?\n");
    printf("> ");
    char rawInput[19];
    fgets(rawInput, 19, stdin);
    printf("rawInput = %s\n", rawInput);
    unsigned long int flips = strtol(rawInput, NULL, 0);
    printf("Ok, flipping %li times!\n", flips);

    long int headsCount = 0;
    long int tailsCount = 0;
    int currentFlip;

    for (int i = 0; i < flips; i++) {
        currentFlip = rand() % 2;
        //printf("Flip: %d\n", currentFlip);
        if (currentFlip) {
            headsCount++;
        } else {
            tailsCount++;
        }
    }

    printf("Heads: %li\n", headsCount);
    printf("Tails: %li\n", tailsCount);

    return 0;
}