oj.uz

답안 #465373

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
465373 2021-08-15T18:23:46 Z JovanB Baloni (COCI15_baloni) C++17
100 / 100
 80 ms 3900 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ld = long double;

const int N = 1000000;

int was[N+5];

int main(){
    ios_base::sync_with_stdio(false), cin.tie(0);
    cout.precision(10);
    cout << fixed;

    int n;
    cin >> n;
    int res = 0;
    for(int i=1; i<=n; i++){
        int x;
        cin >> x;
        if(was[x+1]) was[x+1]--;
        else res++;
        was[x]++;
    }
    cout << res << "\n";
    return 0;
}

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 77 ms 3900 KB Output is correct
6 Correct 80 ms 3756 KB Output is correct
7 Correct 64 ms 3108 KB Output is correct
8 Correct 61 ms 3124 KB Output is correct
9 Correct 70 ms 3508 KB Output is correct
10 Correct 70 ms 3364 KB Output is correct