oj.uz

답안 #853041

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
853041 2023-09-23T10:56:07 Z vjudge1 Baloni (COCI15_baloni) C++17
100 / 100
 44 ms 7760 KB 
#include<bits/stdc++.h>
using namespace std;

using ll = long long;

const int MX = 1e6+5;

void solve() {
    int N;
    cin >> N;
    vector<int> cnt(MX);
    int ans = 0;
    for(int i = 0; i < N; i++) {
        int x;
        cin >> x;
        if(cnt[x] == 0) {
            ans++;
            cnt[x]++;
        }
        cnt[x]--;
        cnt[x-1]++;
    }
    cout << ans << "\n";
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int t = 1;
    // cin >> t;
    while(t--) solve();

    return 0;
}

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4184 KB Output is correct
2 Correct 1 ms 4184 KB Output is correct
3 Correct 1 ms 4184 KB Output is correct
4 Correct 2 ms 4184 KB Output is correct
5 Correct 42 ms 7760 KB Output is correct
6 Correct 44 ms 7760 KB Output is correct
7 Correct 36 ms 6992 KB Output is correct
8 Correct 42 ms 7504 KB Output is correct
9 Correct 40 ms 7508 KB Output is correct
10 Correct 39 ms 7504 KB Output is correct