Submission

Score: 100

User: code

Problemset: ขายรถยนต์

Language: cpp

Time: 0.089 second

Submitted On: 2026-10-08 20:02:13

#include <bits/stdc++.h>
using namespace std;
int main () {
    int n;cin>>n;
    int cost[n]={0};
    int eff[n]={0};
    long long ans=0;
    int m=0;
    for (int i=0;i<n;i++){
        cin>>cost[i]>>eff[i];
    }
    for (int i=n;i>=0;i--){
        if (i==n){
            eff[i]=m;
        }else if (eff[i]<m){
            ans++;
        }else if (eff[i]>m){
            m=eff[i];
        }
    }
    cout<<ans;
    return 0;
}