• 极限压行代码

#include<bits/stdc++.h>
using namespace std;int n,minn=10000000,a,b,sum;int main(){ freopen("pencil.in","r",stdin);freopen("pencil.out","w",stdout);scanf("%d",&n);for(int i=1;i<=3;i++){scanf("%d%d",&a,&b);if(n%a==0) sum=n/a;else sum=n/a+1;if(sum*b<minn) minn=sum*b;sum=0;}cout<<minn;return 0;}