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답안 #525312

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
525312 2022-02-11T09:48:07 Z Adominator Baloni (COCI15_baloni) C++17
100 / 100
 54 ms 8128 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

#define ar array
#define vo vector
#define pb push_back
#define all(x) begin(x), end(x)
#define sz(x) (ll)(x).size()

#define rep(i, a, b) for(ll i=a; i<b; i++) 
#define repd(i, a, b) for(ll i=a; i>=b; i--) 

int main() {
	cin.tie(0)->sync_with_stdio(0);

	ll n;
	cin >> n;

	ll cnt[ll(1e6+1)];
	memset(cnt, 0, sizeof cnt);

	rep(i, 0, n) {
		ll a;
		cin >> a;
		if(!cnt[a]) 
			cnt[a-1]++;
		else {
			cnt[a]--;
			cnt[a-1]++;
		}
	}

	ll ans=0;
	rep(i, 0, ll(1e6+1))
		ans+=cnt[i];

	cout << ans << "\n";
}

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 8012 KB Output is correct
2 Correct 6 ms 8012 KB Output is correct
3 Correct 5 ms 8012 KB Output is correct
4 Correct 5 ms 8012 KB Output is correct
5 Correct 54 ms 8012 KB Output is correct
6 Correct 53 ms 8112 KB Output is correct
7 Correct 43 ms 8012 KB Output is correct
8 Correct 43 ms 8128 KB Output is correct
9 Correct 53 ms 8116 KB Output is correct
10 Correct 48 ms 8012 KB Output is correct