Forgotten measurements

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
 
int main() {
    
    int n;
    cin >> n;
 
    stack<int> st;
    st.push(0);
    int ans = 0;
 
    for (int i = 1; i <= n; i++) {
 
        int x;
        cin >> x;
 
        while (!st.empty() && st.top() > x) st.pop();
 
        if (st.empty() || st.top() < x) {
            ans++;
            st.push(x);
        }
 
    }
 
    cout << ans;
 
}

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER

Test 4

Verdict: WRONG ANSWER

Test 5

Verdict: WRONG ANSWER

Test 6

Verdict: WRONG ANSWER

Test 7

Verdict: WRONG ANSWER

Test 8

Verdict: WRONG ANSWER

Test 9

Verdict: WRONG ANSWER

Test 10

Verdict: WRONG ANSWER

Test 11

Verdict: WRONG ANSWER