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Submission #378399

# Submission time Handle Problem Language Result Execution time Memory
378399 2021-03-16T17:05:18 Z limabeans Po (COCI21_po) C++17
20 / 70
 12 ms 2156 KB 
#include <bits/stdc++.h>
using namespace std;

template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl





using ll = long long;


const int maxn = 1e6 + 5;



int n;
vector<int> a;

int main() {
    ios_base::sync_with_stdio(false); cin.tie(0);  cout.tie(0);

    cin>>n;
    a.resize(n);
    for (int i=0; i<n; i++) {
	cin>>a[i];
    }


    int res = n;
    vector<int> stk = {-1};
    
    for (int x: a) {
	while (stk.back() > x) {
	    stk.pop_back();
	}
	if (stk.back() == x) {
	    res--;
	} else {
	    stk.push_back(x);
	}
    }

    cout<<res<<endl;    
    return 0;
}

Subtask #1
20.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Output isn't correct
3 Incorrect 1 ms 364 KB Output isn't correct
4 Incorrect 4 ms 620 KB Output isn't correct
5 Incorrect 6 ms 876 KB Output isn't correct
6 Correct 12 ms 2156 KB Output is correct
7 Incorrect 12 ms 1772 KB Output isn't correct