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답안 #899489

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
899489 2024-01-06T09:53:13 Z joccccca Baloni (COCI15_baloni) C++14
100 / 100
 132 ms 15796 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;

int b[1000001];
int cnt[1000001];

signed main()
{
    int n;
    cin >> n;
    int a[n];
    for(int i=0; i < n; i++)cin>>a[i];

    for(int i=n-1; i >= 0;i--){
            cnt[a[i]]++;
            b[i]=cnt[a[i]-1];
            if(cnt[a[i]-1]>0)cnt[a[i]-1]--;
    }

    int rez=0;

    for(int i=0; i < n; i++){
        if(b[i]==0)rez++;
    }
    cout<<rez<<"\n";
}

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 128 ms 14676 KB Output is correct
6 Correct 132 ms 15796 KB Output is correct
7 Correct 108 ms 14328 KB Output is correct
8 Correct 104 ms 14160 KB Output is correct
9 Correct 116 ms 14572 KB Output is correct
10 Correct 116 ms 14676 KB Output is correct