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Ankit_132

A

Apr 30th, 2024
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C++ 0.36 KB | None | 0 0
  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main(){
  4.   int t;
  5.   cin>>t;
  6.  
  7.   while(t--){
  8.   int n,count=0,k=0;
  9.   cin>>n;
  10.   int a[n],b[n];
  11.   for(int i=0;i<n;i++)cin>>a[i];
  12.     for(int i=0;i<n;i++)cin>>b[i];
  13.  
  14.    for(int i=0;i<n;i++){
  15.     if(a[i]>b[k++]){
  16.         count++;
  17.         i--;
  18.     }
  19.     if(k>n-1)break;
  20.    }
  21.    cout<<count<<endl;
  22.  
  23.  
  24. }}
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