题解 | #百钱买百鸡问题#

#import <Foundation/Foundation.h>

int main(int argc, char* argv[]) {
    NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];

    int inputNum;
    scanf("%d", &inputNum);

    int small = 0;
    for (int male = 0; male <= 20; male ++) {
        for (int female = 0; female <= 33; female ++) {
            small = 3 * (100 - 5 * male - 3 * female);
            if (male + female + small == 100) {
                printf("%d %d %d\n", male, female, small);
            }
        }
    }

    [pool drain];
    return 0;
}