题解 | KiKi和酸奶
KiKi和酸奶
https://www.nowcoder.com/practice/c7721f3a1b1a47a783974453e82cadbb
在 C 语言里,整数除法默认是向下取整的(截断小数部分),要实现a/b的结果向上取整,可以使用(a + b - 1) / b
#include <stdio.h>
int main() {
int n,h,m;
scanf("%d %d %d", &n, &h,&m);
int drinked = (m+h-1)/h;
printf("%d",(n-drinked));
return 0;
}

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