Submission #1559178


Source Code Expand

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

int main() {
	//freopen("input.txt","r",stdin);
	int n,b;
	vector< pair<int,int> > a;
	cin >>n;
	for(int x=1;x<=n;x++){
		cin >> b;
		a.push_back({b,x});
	}
	int p=0;
	for(int x=0;x<n-1;x++){
		if(a[x].first == a[x].second){
			swap(a[x].second,a[x+1].second);
			p++;
		}
	}
	cout << p << endl;
}

Submission Info

Submission Time
Task D - Derangement
User Muhanad
Language C++14 (GCC 5.4.1)
Score 0
Code Size 389 Byte
Status WA
Exec Time 31 ms
Memory 1400 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 400
Status
AC × 4
AC × 11
WA × 4
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 WA 1 ms 256 KB
1_005.txt AC 29 ms 1400 KB
1_006.txt AC 29 ms 1400 KB
1_007.txt AC 29 ms 1400 KB
1_008.txt WA 29 ms 1400 KB
1_009.txt WA 29 ms 1400 KB
1_010.txt AC 29 ms 1400 KB
1_011.txt WA 29 ms 1400 KB
1_012.txt AC 31 ms 1400 KB
1_013.txt AC 29 ms 1400 KB
1_014.txt AC 29 ms 1400 KB