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답안 #1042262

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1042262 2024-08-02T18:21:58 Z Abito Baloni (COCI15_baloni) C++17
100 / 100
 33 ms 12368 KB 
#include <bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define ppb pop_back
#define ep insert
#define endl '\n'
#define elif else if
#define pow pwr
#define sqrt sqrtt
#define int long long
#define ll long long
#define y1 YONE
typedef unsigned long long ull;
using namespace std;
const int N=1e6+5;
int a[N],n,f[N];
int32_t main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
    cin>>n;
    for (int i=1;i<=n;i++) cin>>a[i];
    int ans=n;
    for (int i=n;i;i--){
        if (f[a[i]-1]) ans--,f[a[i]-1]--;
        f[a[i]]++;
    }cout<<ans<<endl;
    return 0;
}

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2524 KB Output is correct
5 Correct 31 ms 12248 KB Output is correct
6 Correct 33 ms 12368 KB Output is correct
7 Correct 26 ms 11364 KB Output is correct
8 Correct 27 ms 11364 KB Output is correct
9 Correct 30 ms 11880 KB Output is correct
10 Correct 28 ms 11612 KB Output is correct