| Task: | VERTEX COVER |
| Sender: | Kyynel ;_; |
| Submission time: | 2016-10-04 18:56:36 +0300 |
| Language: | C++ |
| Status: | READY |
| Result: | WRONG ANSWER |
| test | verdict | time | |
|---|---|---|---|
| #1 | WRONG ANSWER | 0.09 s | details |
| #2 | WRONG ANSWER | 0.11 s | details |
| #3 | WRONG ANSWER | 0.06 s | details |
| #4 | WRONG ANSWER | 0.09 s | details |
| #5 | WRONG ANSWER | 0.09 s | details |
| #6 | WRONG ANSWER | 0.13 s | details |
| #7 | WRONG ANSWER | 0.12 s | details |
| #8 | WRONG ANSWER | 0.05 s | details |
| #9 | WRONG ANSWER | 0.08 s | details |
| #10 | WRONG ANSWER | 0.16 s | details |
| #11 | WRONG ANSWER | 0.13 s | details |
| #12 | WRONG ANSWER | 0.15 s | details |
| #13 | WRONG ANSWER | 0.11 s | details |
| #14 | WRONG ANSWER | 0.15 s | details |
| #15 | WRONG ANSWER | 0.17 s | details |
| #16 | WRONG ANSWER | 0.12 s | details |
| #17 | ACCEPTED | 0.17 s | details |
| #18 | WRONG ANSWER | 0.14 s | details |
| #19 | WRONG ANSWER | 0.13 s | details |
| #20 | WRONG ANSWER | 0.11 s | details |
| #21 | WRONG ANSWER | 0.14 s | details |
| #22 | WRONG ANSWER | 0.13 s | details |
| #23 | WRONG ANSWER | 0.17 s | details |
| #24 | WRONG ANSWER | 0.13 s | details |
| #25 | WRONG ANSWER | 0.14 s | details |
| #26 | WRONG ANSWER | 0.17 s | details |
| #27 | WRONG ANSWER | 0.13 s | details |
| #28 | WRONG ANSWER | 0.16 s | details |
| #29 | WRONG ANSWER | 0.17 s | details |
| #30 | WRONG ANSWER | 0.13 s | details |
Code
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define N (1<<18)
using namespace std;
/**
* MOI KAIKI
* ME OLLAN PARAITA
* BÄÄ BÄÄ
*/
vector<int> v[100001];
int main () {
int n;
cin>>n;
for (int i = 0; i < n + 1; i++) {
int a, b;
cin>>a>>b;
v[a].push_back(b);
v[b].push_back(a);
}
int ans = 0;
for (int i = 1; i <= n; i++) {
if (v[i].size() >= 2) ans++;
}
cout<<ans - ans / 2<<endl;
}Test details
Test 1
Verdict: WRONG ANSWER
| input |
|---|
| 43516 31635 7283 407 22068 14527 27341 13988 3756 ... |
| correct output |
|---|
| 15856 |
| user output |
|---|
| 8788 |
Test 2
Verdict: WRONG ANSWER
| input |
|---|
| 15844 11075 5963 12852 1355 12408 997 5774 1839 ... |
| correct output |
|---|
| 6691 |
| user output |
|---|
| 4505 |
Test 3
Verdict: WRONG ANSWER
| input |
|---|
| 16739 5194 10683 1122 249 3384 12552 9483 5513 ... |
| correct output |
|---|
| 6757 |
| user output |
|---|
| 4169 |
Test 4
Verdict: WRONG ANSWER
| input |
|---|
| 45585 2278 17306 29200 4367 3493 946 13733 29961 ... |
| correct output |
|---|
| 16583 |
| user output |
|---|
| 9178 |
Test 5
Verdict: WRONG ANSWER
| input |
|---|
| 65713 48285 11821 34133 22499 14959 39378 27756 2333 ... |
| correct output |
|---|
| 27673 |
| user output |
|---|
| 18657 |
Test 6
Verdict: WRONG ANSWER
| input |
|---|
| 65594 48205 44126 49025 17567 49495 29064 5497 9432 ... |
| correct output |
|---|
| 26501 |
| user output |
|---|
| 16455 |
Test 7
Verdict: WRONG ANSWER
| input |
|---|
| 76352 41529 44956 24215 33162 32459 57488 36012 8978 ... |
| correct output |
|---|
| 27769 |
| user output |
|---|
| 15348 |
Test 8
Verdict: WRONG ANSWER
| input |
|---|
| 19735 3280 11743 5800 4932 15996 16996 1326 8492 ... |
| correct output |
|---|
| 8362 |
| user output |
|---|
| 5674 |
Test 9
Verdict: WRONG ANSWER
| input |
|---|
| 49843 38377 42277 22655 27295 9233 8151 20174 26700 ... |
| correct output |
|---|
| 20103 |
| user output |
|---|
| 12486 |
Test 10
Verdict: WRONG ANSWER
| input |
|---|
| 93738 34468 1473 62502 21129 7249 69111 34431 14831 ... |
| correct output |
|---|
| 34129 |
| user output |
|---|
| 18845 |
Test 11
Verdict: WRONG ANSWER
| input |
|---|
| 70512 59016 43446 23523 34215 40100 65349 32479 69170 ... |
| correct output |
|---|
| 29712 |
| user output |
|---|
| 20033 |
Test 12
Verdict: WRONG ANSWER
| input |
|---|
| 77793 67362 43115 26066 53059 34877 28252 41322 27232 ... |
| correct output |
|---|
| 31415 |
| user output |
|---|
| 19464 |
Test 13
Verdict: WRONG ANSWER
| input |
|---|
| 81528 17424 60496 16303 9750 72040 16424 73313 66255 ... |
| correct output |
|---|
| 29740 |
| user output |
|---|
| 16476 |
Test 14
Verdict: WRONG ANSWER
| input |
|---|
| 87601 26609 79183 12401 22737 40749 41820 44416 43745 ... |
| correct output |
|---|
| 36915 |
| user output |
|---|
| 24946 |
Test 15
Verdict: WRONG ANSWER
| input |
|---|
| 100000 99312 64091 74701 14263 18494 14204 48860 56668 ... |
| correct output |
|---|
| 40376 |
| user output |
|---|
| 25054 |
Test 16
Verdict: WRONG ANSWER
| input |
|---|
| 100000 85199 85147 16157 86513 31941 9017 28468 14549 ... |
| correct output |
|---|
| 50000 |
| user output |
|---|
| 49999 |
Test 17
Verdict: ACCEPTED
| input |
|---|
| 100000 23889 65680 23889 43172 31662 23889 23889 14952 ... |
| correct output |
|---|
| 3 |
| user output |
|---|
| 3 |
Test 18
Verdict: WRONG ANSWER
| input |
|---|
| 100000 69560 99883 72675 99883 46326 77576 99883 92496 ... |
| correct output |
|---|
| 6 |
| user output |
|---|
| 4 |
Test 19
Verdict: WRONG ANSWER
| input |
|---|
| 100000 28151 97740 74287 42190 55692 76617 51247 37435 ... |
| correct output |
|---|
| 36374 |
| user output |
|---|
| 20138 |
Test 20
Verdict: WRONG ANSWER
| input |
|---|
| 100000 92176 53508 59512 60686 3760 73799 25954 68463 ... |
| correct output |
|---|
| 42107 |
| user output |
|---|
| 28322 |
Test 21
Verdict: WRONG ANSWER
| input |
|---|
| 100000 77208 54647 86577 72654 30560 44935 58433 65087 ... |
| correct output |
|---|
| 40367 |
| user output |
|---|
| 24979 |
Test 22
Verdict: WRONG ANSWER
| input |
|---|
| 100000 11835 72732 46693 14441 91141 81072 9142 96454 ... |
| correct output |
|---|
| 36396 |
| user output |
|---|
| 20168 |
Test 23
Verdict: WRONG ANSWER
| input |
|---|
| 100000 62977 19876 33643 71597 43079 56905 55474 63340 ... |
| correct output |
|---|
| 42014 |
| user output |
|---|
| 28336 |
Test 24
Verdict: WRONG ANSWER
| input |
|---|
| 100000 10558 826 71579 31910 52499 85798 49687 29460 ... |
| correct output |
|---|
| 40315 |
| user output |
|---|
| 24981 |
Test 25
Verdict: WRONG ANSWER
| input |
|---|
| 100000 42867 7204 6642 28627 52963 75885 5909 2124 ... |
| correct output |
|---|
| 36378 |
| user output |
|---|
| 20101 |
Test 26
Verdict: WRONG ANSWER
| input |
|---|
| 100000 98353 70486 18269 81832 96346 42985 52089 65027 ... |
| correct output |
|---|
| 42053 |
| user output |
|---|
| 28372 |
Test 27
Verdict: WRONG ANSWER
| input |
|---|
| 100000 95632 70669 80227 14695 8281 32693 36226 99062 ... |
| correct output |
|---|
| 40405 |
| user output |
|---|
| 25014 |
Test 28
Verdict: WRONG ANSWER
| input |
|---|
| 100000 93396 66096 17209 78703 63472 8252 44686 81626 ... |
| correct output |
|---|
| 36410 |
| user output |
|---|
| 20173 |
Test 29
Verdict: WRONG ANSWER
| input |
|---|
| 100000 76692 65797 61491 11409 1719 12971 71081 59660 ... |
| correct output |
|---|
| 42226 |
| user output |
|---|
| 28426 |
Test 30
Verdict: WRONG ANSWER
| input |
|---|
| 100000 41478 47936 87485 27259 90595 12109 53850 41021 ... |
| correct output |
|---|
| 40385 |
| user output |
|---|
| 25063 |
