Submission #1444033
Source Code Expand
#include<iostream> #include<algorithm> #include<vector> #include<complex> using namespace std; int n,a[100010]; vector<int> v,p; int main(){ cin>>n; for(int i=0;i<n;i++){ cin>>a[i]; if(i%2==1)v.push_back(a[i]); else p.push_back(a[i]); } sort(a,a+n); sort(v.begin(),v.end()); sort(p.begin(),p.end()); long long ans=0; for(int i=0;i<v.size();i++){ int k=lower_bound(a,a+n,v[i])-a; ans+=abs(i*2+1-k); } for(int i=0;i<p.size();i++){ int k=lower_bound(a,a+n,p[i])-a; ans+=abs(i*2-k); } cout<<ans/2<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - BBuBBBlesort! |
User | ynymxiaolongbao |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 568 Byte |
Status | WA |
Exec Time | 71 ms |
Memory | 1276 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 600 | ||||||
Status |
|
|
Set Name | Test Cases |
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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 | WA | 70 ms | 1276 KB |
02.txt | WA | 70 ms | 1276 KB |
03.txt | WA | 70 ms | 1276 KB |
04.txt | WA | 71 ms | 1276 KB |
05.txt | WA | 53 ms | 1276 KB |
06.txt | WA | 54 ms | 1276 KB |
07.txt | WA | 53 ms | 1276 KB |
08.txt | AC | 45 ms | 1276 KB |
09.txt | AC | 44 ms | 1276 KB |
10.txt | AC | 45 ms | 1276 KB |
11.txt | AC | 44 ms | 1276 KB |
12.txt | AC | 44 ms | 1276 KB |
13.txt | AC | 45 ms | 1276 KB |
14.txt | AC | 54 ms | 1276 KB |
15.txt | AC | 54 ms | 1276 KB |
16.txt | AC | 54 ms | 1276 KB |
17.txt | AC | 54 ms | 1276 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 |