제출 #525312

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
525312		Adominator	Baloni (COCI15_baloni)	C++17	100 / 100	54 ms	8128 KiB

baloni

#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 / 100