新鲜的题目

#include <bits/stdc++.h>
using namespace std;
struct x
{
    int a,b;
}a[100010];
int main()
{
    int n,score=0,au;
    cin>>n;
    for(int i=1;i<=n;i++){cin>>a[i].a>>a[i].b;score+=100/a[i].a*a[i].b;}
    cin>>au;
    if(score>=au){cout<<"Already Au.";return 0;}
    for(int i=1;i<=n;i++)
    {
    	if(score+(a[i].a-a[i].b)*(100/a[i].a)<au){cout<<"NaN"<<endl;continue;}
    	for(int j=1;j<=(a[i].a-a[i].b);j++){if((score+j*(100/a[i].a))>=au){cout<<j<<endl;break;}}
    }
    return 0;
}