Submission #1382979
Source Code Expand
#include <bits/stdc++.h> #define MAXN 100000 using namespace std; pair <int, int> v[MAXN + 1]; int main() { // fstream cin("A.in"); // ofstream cout("A.out"); int n, i; ios::sync_with_stdio(false); cin >> n; for(i = 1; i <= n; i++) { cin >> v[i].first; v[i].second = i; } sort(v + 1, v + n + 1); int ans = 0; for(i = 1; i <= n; i++) if(v[i].second % 2 != i % 2) ans++; cout << (ans + 1) / 2 << endl; // cin.close(); // cout.close(); return 0; }
Submission Info
Submission Time | |
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Task | C - BBuBBBlesort! |
User | popovicirobert |
Language | C++14 (GCC 5.4.1) |
Score | 600 |
Code Size | 563 Byte |
Status | AC |
Exec Time | 19 ms |
Memory | 1024 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 600 / 600 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | s1.txt, s2.txt |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, s1.txt, s2.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 18 ms | 1024 KB |
02.txt | AC | 18 ms | 1024 KB |
03.txt | AC | 19 ms | 1024 KB |
04.txt | AC | 19 ms | 1024 KB |
05.txt | AC | 16 ms | 1024 KB |
06.txt | AC | 16 ms | 1024 KB |
07.txt | AC | 16 ms | 1024 KB |
08.txt | AC | 11 ms | 1024 KB |
09.txt | AC | 11 ms | 1024 KB |
10.txt | AC | 11 ms | 1024 KB |
11.txt | AC | 11 ms | 1024 KB |
12.txt | AC | 11 ms | 1024 KB |
13.txt | AC | 11 ms | 1024 KB |
14.txt | AC | 16 ms | 1024 KB |
15.txt | AC | 17 ms | 1024 KB |
16.txt | AC | 16 ms | 1024 KB |
17.txt | AC | 16 ms | 1024 KB |
18.txt | AC | 1 ms | 256 KB |
19.txt | AC | 1 ms | 256 KB |
20.txt | AC | 1 ms | 256 KB |
21.txt | AC | 1 ms | 256 KB |
22.txt | AC | 1 ms | 256 KB |
s1.txt | AC | 1 ms | 256 KB |
s2.txt | AC | 1 ms | 256 KB |