oj.uz

답안 #931886

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
931886 2024-02-22T14:08:06 Z hugsfromadicto Baloni (COCI15_baloni) C++14
100 / 100
 184 ms 8968 KB 
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#define int long long
using namespace std;
const int mxN = 1e6 + 1;
int a[mxN], b[mxN];

void _()
{
    int n;
    cin >> n;
    for(int i = 0;i < n; ++i)
        cin >> a[i];
    map<int,int>r;
    int cnt = 0;
    for(int  i = 0; i < n; ++i)
    {
        if(r[a[i] + 1] == 0)
        {
            cnt++;
        }
        else
        {
            r[a[i] + 1]--;
        }
        r[a[i]]++;
    }
    cout << cnt;
}

main()
{
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);

  int tc = 1;
  while(tc--)
  {
      _();
  }

}

Compilation message

baloni.cpp:31:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   31 | main()
      | ^~~~

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 184 ms 8900 KB Output is correct
6 Correct 173 ms 8968 KB Output is correct
7 Correct 135 ms 8716 KB Output is correct
8 Correct 134 ms 8532 KB Output is correct
9 Correct 152 ms 8532 KB Output is correct
10 Correct 154 ms 8532 KB Output is correct