比赛时候晕死了……
先留坑
#include<cmath>
#include<cstdio>
int T;
long long n,m,k;
int main()
{
scanf("%d",&T);
while(T--)
{
scanf("%lld%lld%lld",&n,&m,&k);
printf("%lld\n",(k-1)*(long long)ceil(1.0*(m+1)/(n-k+1)) +1+m);
}
return 0;
}
原文:https://www.cnblogs.com/wawcac-blog/p/11347303.html