branch.c

来自「THINKING IN C 源码」· C语言 代码 · 共 26 行

/* branch.c: Illustrate branching */
/* Finds an odd number whose digits
   add to 7. Assumes 2 digits only. */

#include <stdio.h>

#define SIZE 5

int main() {
    int nums[SIZE] = {10,21,32,43,54};
    int i;
    for (i = 0; i < SIZE; ++i) {
        int dig1, dig2;
        if (nums[i]%2 == 0)
            continue;   /* skip evens */
        dig2 = nums[i]%10;
        dig1 = nums[i]/10;
        if (dig1 + dig2 == 7) {
            printf("found %d\n", nums[i]);
            break;
        }
    }
    return 0;
}