Submission #1368346
Source Code Expand
#include <iostream> #include <fstream> #include <vector> #include <queue> #include <unordered_map> #include <map> #include <string> #include <iomanip> #include <cmath> #include <cstring> #include <algorithm> #include <ctime> #define MaxN 100005 #define INF 2140000000 using namespace std; FILE *IN,*OUT; int v[MaxN],a[MaxN],N,ans=0; int Search(int val) { int lw=1,hi=N,mid; while(lw<=hi) { int mid=(lw+hi)>>1; if(v[mid]>val) hi=mid-1; else if(v[mid]<val) lw=mid+1; else return mid%2; } } int main() { cin>>N; for(int i=1;i<=N;i++) { cin>>a[i]; v[i]=a[i]; } sort(v+1,v+1+N); for(int i=1;i<=N;i++) { if((i%2)^Search(a[i])) ans++; } cout<<ans/2; return 0; }
Submission Info
Submission Time | |
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Task | C - BBuBBBlesort! |
User | GabiTulba |
Language | C++14 (GCC 5.4.1) |
Score | 600 |
Code Size | 747 Byte |
Status | AC |
Exec Time | 70 ms |
Memory | 1024 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 600 / 600 | ||||
Status |
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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 | AC | 69 ms | 1024 KB |
02.txt | AC | 70 ms | 1024 KB |
03.txt | AC | 69 ms | 1024 KB |
04.txt | AC | 70 ms | 1024 KB |
05.txt | AC | 53 ms | 1024 KB |
06.txt | AC | 53 ms | 1024 KB |
07.txt | AC | 53 ms | 1024 KB |
08.txt | AC | 42 ms | 1024 KB |
09.txt | AC | 41 ms | 1024 KB |
10.txt | AC | 42 ms | 1024 KB |
11.txt | AC | 42 ms | 1024 KB |
12.txt | AC | 41 ms | 1024 KB |
13.txt | AC | 44 ms | 1024 KB |
14.txt | AC | 52 ms | 1024 KB |
15.txt | AC | 54 ms | 1024 KB |
16.txt | AC | 53 ms | 1024 KB |
17.txt | AC | 53 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 |