Submission #1608371
Source Code Expand
#include<bits/stdc++.h> using namespace std; typedef long long ll; int main() { ios::sync_with_stdio(false); int n; cin >> n; vector<int> p(n+1); for(int i = 1; i <= n; ++i) { int x; cin >> x; p[i] = x; } int swaps = 0; for(int i = 1; i <=n; ++i) { if(i == p[i]) { if(i == 1) i += 1; swaps++; } } cout << swaps << '\n'; return 0; }
Submission Info
Submission Time | |
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Task | D - Derangement |
User | lightyagami1 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 470 Byte |
Status | WA |
Exec Time | 9 ms |
Memory | 640 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 400 | ||||||
Status |
|
|
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 | WA | 9 ms | 640 KB |
1_006.txt | AC | 9 ms | 640 KB |
1_007.txt | AC | 9 ms | 640 KB |
1_008.txt | WA | 9 ms | 640 KB |
1_009.txt | AC | 9 ms | 640 KB |
1_010.txt | AC | 9 ms | 640 KB |
1_011.txt | WA | 9 ms | 640 KB |
1_012.txt | WA | 9 ms | 640 KB |
1_013.txt | WA | 9 ms | 640 KB |
1_014.txt | AC | 9 ms | 640 KB |