Submission #1531249
Source Code Expand
#include <cstdio> #include <algorithm> #include <vector> using namespace std; struct ei { int val,idx; }; bool operator< (const ei &a, const ei &b) { return a.val<b.val; } int main () { int n; scanf("%d",&n); int cnt=0; vector<ei> tbl(n); int x; for (int i=0;i<n;i++) { scanf("%d",&x); tbl[i].val=x; tbl[i].idx=i+1; } sort(tbl.begin(),tbl.end()); for (int i=0;i<n;i++) { tbl[i].val=i+1; if (i%2&&tbl[i].idx%2!=(i+1)%2) cnt++; } printf("%d\n",cnt); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - BBuBBBlesort! |
User | milmillin |
Language | C++14 (GCC 5.4.1) |
Score | 600 |
Code Size | 522 Byte |
Status | AC |
Exec Time | 19 ms |
Memory | 1152 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:17:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ ./Main.cpp:22:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^
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 | 19 ms | 1024 KB |
02.txt | AC | 19 ms | 1152 KB |
03.txt | AC | 19 ms | 1024 KB |
04.txt | AC | 19 ms | 1024 KB |
05.txt | AC | 17 ms | 1024 KB |
06.txt | AC | 17 ms | 1024 KB |
07.txt | AC | 17 ms | 1024 KB |
08.txt | AC | 12 ms | 1024 KB |
09.txt | AC | 12 ms | 1024 KB |
10.txt | AC | 12 ms | 1024 KB |
11.txt | AC | 12 ms | 1024 KB |
12.txt | AC | 12 ms | 1024 KB |
13.txt | AC | 12 ms | 1024 KB |
14.txt | AC | 17 ms | 1024 KB |
15.txt | AC | 17 ms | 1024 KB |
16.txt | AC | 17 ms | 1024 KB |
17.txt | AC | 17 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 |