Submission #1594280
Source Code Expand
#include <bits/stdc++.h> using namespace std; #define rep(a,b,c) for(int a=b;a<c;++a) #define repeq(a,b,c) for(int a=b;a<=c;++a) #define debug(x) cerr<<(#x)<<": "<<x<<endl typedef long long ll; const int SZ=1e5; int a[SZ]; int main() { ios::sync_with_stdio(false); cin.tie(NULL); int n; cin >> n; rep(i,0,n) cin >> a[i]; int c = 0; rep(i,0,n-1) if(a[i]==i+1 || a[i+1]==i+2) { swap(a[i],a[i+1]); ++c; } cout << c << endl; }
Submission Info
Submission Time | |
---|---|
Task | D - Derangement |
User | Eliden |
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 |