View Code of Problem 13

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

int main()
{
    int h, a, b, k;
    int i = 1;
    while (scanf("%d%d%d%d", &h, &a, &b, &k) != EOF) {
        printf("Case #%d: ", i++);
        if (h <= a) {
            printf("White win\n");
        }
        else if(a <= b){
            printf("Unknow\n");
        }
        else if((a - b) * (k - 1) + a >= h)
        {
            printf("White win\n");
        }
        else if(a * k > b * (k + 1))
        {
            printf("White win\n");
        }
        else {
            printf("Unknow\n");
        }
    }
}

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