#include <stdio.h> int main() { int n, h, m; while (scanf("%d %d %d", &n, &h, &m) != EOF && m <= n * h) { //写法1 if(m%h == 0) printf("%d", n - m/h); else printf("%d", n - (m/h + 1)); //写法2 // printf("%d", n - m/h -(m%h == 0 ? 0 : 1)...