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답안 #710567

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
710567 2023-03-15T11:10:56 Z ToroTN Baloni (COCI15_baloni) C++14
100 / 100
 196 ms 7328 KB 
#include<bits/stdc++.h>
using namespace std;
int n,a[1000005],hsh[1000005],cnt=0;
int main()
{
    cin >> n;
    for(int i=1;i<=n;i++)cin >> a[i];
    for(int i=n;i>=1;i--)
    {
        if(hsh[a[i]-1]==0)
        {
            ++cnt;
        }else
        {
            --hsh[a[i]-1];
        }
        ++hsh[a[i]];
    }
    printf("%d\n",cnt);
}

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 196 ms 6992 KB Output is correct
6 Correct 183 ms 7328 KB Output is correct
7 Correct 167 ms 5952 KB Output is correct
8 Correct 139 ms 5852 KB Output is correct
9 Correct 161 ms 6420 KB Output is correct
10 Correct 174 ms 6512 KB Output is correct