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  1. #include<bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int main(){
  6.     int t;
  7.     cin >> t;
  8.     while(t--){
  9.         int n;
  10.         vector<int> a;
  11.         vector<int> b;
  12.         int diff=0,idx=0;
  13.         bool flag = true;
  14.         cin >> n;
  15.         for(int i = 0; i < n; i++){
  16.           int x;
  17.           cin >> x;
  18.           a.push_back(x);
  19.         }
  20.         for(int i = 0; i < n; i++){
  21.           int x;
  22.           cin >> x;
  23.           b.push_back(x);
  24.           if(x > a[i] && x - a[i] > diff){
  25.             diff = x - a[i];
  26.             idx = i;
  27.           }
  28.         }
  29.         for(int i=0;i < n;i++){
  30.           if(i == idx) continue;
  31.            if((a[i] - diff) < 0 || (a[i] - diff) < b[i]){
  32.               flag = false;
  33.               break;
  34.            }        
  35.         }
  36.         if(flag)
  37.             cout << "YES\n";
  38.         else
  39.             cout << "NO\n";
  40.     }    
  41.     return 0;
  42. }
Success #stdin #stdout 0s 5276KB
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https://ideone.com/HKlRAs
language:
C++14 (gcc 8.3)
created:
11 days ago
visibility:
public

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