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답안 #827304

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
827304 2023-08-16T10:48:19 Z OAleksa Baloni (COCI15_baloni) C++14
100 / 100
 64 ms 18528 KB 
#include <bits/stdc++.h>
#define f first
#define s second
using namespace std; 
#define int long long
const int maxn = 1e6 + 69;
vector<int> cnt(maxn);

signed main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int tt = 1;
	//cin >> tt;
	while(tt--) {
		int n;
		cin >> n;
		vector<int> a(n);
		for(int i = 0;i < n;i++)
			cin >> a[i];
		int ans = 0;
		for(int i = 0;i < n;i++) {
			if(!cnt[a[i]])
				++ans;
			else 
				--cnt[a[i]];
			++cnt[a[i] - 1];
		}
		cout << ans;
	}
   return 0;
}

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 8160 KB Output is correct
2 Correct 3 ms 8092 KB Output is correct
3 Correct 3 ms 8172 KB Output is correct
4 Correct 4 ms 8148 KB Output is correct
5 Correct 47 ms 17904 KB Output is correct
6 Correct 50 ms 18528 KB Output is correct
7 Correct 39 ms 16668 KB Output is correct
8 Correct 37 ms 16600 KB Output is correct
9 Correct 64 ms 17296 KB Output is correct
10 Correct 42 ms 17412 KB Output is correct