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thesonpb

khiêu vũ

Mar 30th, 2020
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C++ 0.53 KB | None | 0 0
  1. #include <iostream>
  2. using namespace std;
  3. int sapXep(double a[], int n){
  4.     for(int i=0; i<n-1; i++){
  5.         for(int j=i+1; j<n; j++){
  6.             if(a[i]>a[j]) swap(a[i], a[j]);
  7.         }
  8.     }
  9. }
  10. int main(){
  11.     int n;
  12.     cin >> n;
  13.     double b[10000], g[10000];
  14.     for(int i=0; i<n; i++){
  15.         cin >> b[i]>> g[i];
  16.     }
  17.     sapXep(b, n);
  18.     sapXep(g, n);
  19.     int count=0;
  20.     for(int i=0; i<n; i++){
  21.         if(b[i]>g[i]) count++;
  22.     }
  23.     if(count==n) cout<<"Yes";
  24.     else cout<<"No";
  25.     return 0;
  26. }
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