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답안 #568687

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
568687 2022-05-26T05:12:25 Z Garguy22 Baloni (COCI15_baloni) C++17
100 / 100
 193 ms 3748 KB 
#include <iostream>
using namespace std;

const int MAXN = 1e6 + 7;

int a[MAXN], f[MAXN];

int main() {

    int n;
    cin >> n;
    for(int i = 1; i <= n; i++)
        cin >> a[i];
    int ans = 0;
    for(int i = n; i > 0; i--){
        f[a[i]]++;
        if(f[a[i]-1])
            f[a[i]-1]--;
        else
            ans++;
    }
    cout << ans << endl;

    return 0;
}

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 182 ms 3424 KB Output is correct
6 Correct 173 ms 3748 KB Output is correct
7 Correct 193 ms 3120 KB Output is correct
8 Correct 152 ms 3192 KB Output is correct
9 Correct 178 ms 3272 KB Output is correct
10 Correct 174 ms 3332 KB Output is correct