问题标题: 酷町堂：7084，help！

题目链接： 酷町堂：7084

错误代码

#include<iostream> 
#include<iomanip> 
#include<cmath> 
#include<cstdio> 
#include<algorithm> 
using namespace std;
bool pf(int n){
    return abs(sqrt(n)-(int)sqrt(n))<0.0000001;
}
string a[10000],b[8]{"","Red","Orange","Yellow","Green","Blue","Cyan","Purple"};
long long x[10000],n;
int main(){ 
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
        cin>>x[i];
        for(int j=0;j<=7;j++){
            if(a[i]==b[j]){
                if((x[i]+2)>7){
                    if(b[(x[i]+2)%7]==0){
                        cout<<"rad";
                    }else{
                        cout<<b[(x[i]+2)%7]<<endl;
                    }

                }else{
                    cout<<b[x[i]+2]<<endl;
                }
            }
        }
    }
    return 0; 
}

问题：

问题：

啊啊啊啊啊周期没学好只能干瞪眼