oj.uz

답안 #964269

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
964269 2024-04-16T14:03:08 Z pcc Baloni (COCI15_baloni) C++17
100 / 100
 262 ms 7548 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>

const ll mxn = 1e6+10;
int N;
map<int,int> mp;
int arr[mxn];

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>N;
	for(int i = 1;i<=N;i++)cin>>arr[i];
	for(int i = 1;i<=N;i++){
		if(mp.find(arr[i]) != mp.end()){
			mp[arr[i]]--;
			if(!mp[arr[i]])mp.erase(arr[i]);
		}
		mp[arr[i]-1]++;
	}
	ll ans = 0;
	for(auto &i:mp)ans += i.sc;
	cout<<ans<<'\n';
}

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 488 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 262 ms 7176 KB Output is correct
6 Correct 232 ms 7548 KB Output is correct
7 Correct 169 ms 6184 KB Output is correct
8 Correct 172 ms 5968 KB Output is correct
9 Correct 222 ms 6692 KB Output is correct
10 Correct 202 ms 6740 KB Output is correct