Submission

Status:

[-][-][-][-][-][-SSSSSSS]

Score: 0

User: Winzzwz

Problemset: ขายรถยนต์

Language: cpp

Time: 0.022 second

Submitted On: 2025-03-05 16:35:36

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

int n,oa,ob,a,b,cnt;

int main() {
    cin.tie(0)->sync_with_stdio(0);
    cin >> n;
    for (int i = 1; i <= n; i++) {
        if (i == 1) {cin >> oa >> ob; continue;}
        cin >> a >> b;
        if (b > ob) cnt++;
        oa = a; ob = b;
    }
    cout << cnt;
    
    return 0;
}