Submission #1594370
Source Code Expand
#include <iostream> #include <cstdio> using namespace std; const int maxn = 100000; int n,a[maxn+2],t,res; int main() { ios_base::sync_with_stdio(0); //freopen("input.txt","r",stdin); //freopen("output.txt","w",stdout); cin >> n; for (int i=1; i<=n; i++) cin >> a[i]; res=0; for (int i=1; i<=n; i++) if (i==a[i]) { res++; t=a[i]; a[i]=a[i+1]; a[i+1]=t; } cout << res; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Derangement |
User | bvd |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 432 Byte |
Status | AC |
Exec Time | 10 ms |
Memory | 640 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 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 | AC | 9 ms | 640 KB |
1_006.txt | AC | 9 ms | 640 KB |
1_007.txt | AC | 9 ms | 640 KB |
1_008.txt | AC | 9 ms | 640 KB |
1_009.txt | AC | 9 ms | 640 KB |
1_010.txt | AC | 9 ms | 640 KB |
1_011.txt | AC | 9 ms | 640 KB |
1_012.txt | AC | 9 ms | 640 KB |
1_013.txt | AC | 10 ms | 640 KB |
1_014.txt | AC | 9 ms | 640 KB |