Submission

Score: 0

User: dddrrrr

Problemset: ขายรถยนต์

Language: cpp

Time: 1.086 second

Submitted On: 2025-10-17 00:39:53

#include <bits/stdc++.h>
using namespace std;

int main(){
	cin.tie(0)->sync_with_stdio(0);
	cout.tie(0)->sync_with_stdio(0);
	int n;
	cin >> n;
	
	vector <int> vec(n);
	for(int i=n-1 ;i>=0 ;i--){
		int price ;
		cin >> price >> vec[i];
	}
	
	int cnt = 0;
	for(int i=0 ;i<n ;i++){
		for(int j=i+1 ;j<n ;j++){
			if(vec[i] >= vec[j])cnt++;
		}
	}
	
	cout << cnt;
	
	
	return 0; 
}