Submission #1606321


Source Code Expand

#include <bits/stdc++.h>

using namespace std;


//ifstream in("input.txt");
//ofstream out("output.txt");
//ios::sync_with_stdio(false);
typedef pair<int,int> pii;
typedef long long int ll;

int N,A[100005],ans;

int main()
{

    cin>>N;
    for(int i=0;i<N;i++)
        cin>>A[i];

    for(int i=0;i<N;i++)
        if(A[i]==i+1)
        {
            swap(A[i],A[i+1]);
            ans++;
        }

    cout<<ans;

}

Submission Info

Submission Time
Task D - Derangement
User FedericoS
Language C++14 (GCC 5.4.1)
Score 400
Code Size 449 Byte
Status AC
Exec Time 38 ms
Memory 640 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 4
AC × 15
Set Name Test Cases
Sample 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt
All 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt
Case Name Status Exec Time Memory
0_000.txt AC 1 ms 256 KB
0_001.txt AC 1 ms 256 KB
0_002.txt AC 1 ms 256 KB
0_003.txt AC 1 ms 256 KB
1_004.txt AC 1 ms 256 KB
1_005.txt AC 36 ms 640 KB
1_006.txt AC 38 ms 640 KB
1_007.txt AC 36 ms 640 KB
1_008.txt AC 36 ms 640 KB
1_009.txt AC 36 ms 640 KB
1_010.txt AC 36 ms 640 KB
1_011.txt AC 38 ms 640 KB
1_012.txt AC 36 ms 640 KB
1_013.txt AC 36 ms 640 KB
1_014.txt AC 36 ms 640 KB