Submission #1751956
Source Code Expand
// #include {{{ #include <iostream> #include <cassert> #include <cstring> #include <cstdlib> #include <cstdio> #include <cctype> #include <cmath> #include <ctime> #include <queue> #include <set> #include <map> #include <stack> #include <string> #include <bitset> #include <vector> #include <complex> #include <algorithm> using namespace std; // }}} // #define {{{ typedef long long ll; typedef double db; typedef pair<int,int> pii; typedef vector<int> vi; #define de(x) cout << #x << "=" << x << endl #define rep(i,a,b) for(int i=a;i<(b);++i) #define per(i,a,b) for(int i=(b)-1;i>=(a);--i) #define all(x) (x).begin(),(x).end() #define sz(x) (int)(x).size() #define mp make_pair #define pb push_back #define fi first #define se second // }}} int main(){ int n; cin >> n; int ans = 0 , bf = 0; rep(i,1,n+1){ int x; cin >> x; if(x == i && bf == 0) ans++ , bf = 1; else bf = 0; } cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Derangement |
User | Y_UME |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 1019 Byte |
Status | AC |
Exec Time | 37 ms |
Memory | 256 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 | 37 ms | 256 KB |
1_006.txt | AC | 36 ms | 256 KB |
1_007.txt | AC | 36 ms | 256 KB |
1_008.txt | AC | 36 ms | 256 KB |
1_009.txt | AC | 36 ms | 256 KB |
1_010.txt | AC | 35 ms | 256 KB |
1_011.txt | AC | 36 ms | 256 KB |
1_012.txt | AC | 36 ms | 256 KB |
1_013.txt | AC | 36 ms | 256 KB |
1_014.txt | AC | 36 ms | 256 KB |