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huangyanjun123456楼主2023/5/20 17:31
#include<iostream>
using namespace std;
int main(){
  long long n,m=0,s=0;
  for(int i=1;i<=12;i++){
    s+=300;
    cin>>n;
    s=s-n;
    if(s>=100){
        m+=s/100*100;
        s%=100;
    }
    if(s<0){
        cout<<"-"<<i;
        return 0;
    }
  }
  cout<<"\n";
  cout<<s+m+m*0.2;
  return 0;
}
                  
2023/5/20 17:31
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