| Task: | Sorting |
| Sender: | lolok123 |
| Submission time: | 2021-01-31 12:44:02 +0200 |
| Language: | C++ (C++17) |
| Status: | READY |
| Result: | 0 |
| group | verdict | score |
|---|---|---|
| #1 | WRONG ANSWER | 0 |
| #2 | WRONG ANSWER | 0 |
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | WRONG ANSWER | 0.01 s | 1, 2 | details |
| #2 | WRONG ANSWER | 0.01 s | 2 | details |
| #3 | WRONG ANSWER | 0.01 s | 1, 2 | details |
| #4 | WRONG ANSWER | 0.01 s | 1, 2 | details |
Code
#define MOD 1000000007
#include <bits/stdc++.h>
#include <numeric>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int T;
cin>>T;
for(int T_Case=1;T_Case<=T;++T_Case){
int n,c[2]={0},e[2];
cin>>n;
vector<int> a(n);
for(int i=0; i<n; ++i){
cin>>a[i];
c[!(i&1)]+=(i&1)*(a[i]&1);
c[i&1]+=!(i&1)*(a[i]&1);
}
e[0]=(n+1)/2-c[0];
e[1]=(n-1)/2-c[1];
if(!(e[0]&1)&&!(e[1]&1)){
cout<<"YES"<<'\n';
}
else{
cout<<"NO"<<'\n';
}
}
}
Test details
Test 1
Group: 1, 2
Verdict: WRONG ANSWER
| input |
|---|
| 153 1 1 2 1 2 ... |
| correct output |
|---|
| YES YES NO NO NO ... |
| user output |
|---|
| YES YES YES NO NO ... Truncated |
Test 2
Group: 2
Verdict: WRONG ANSWER
| input |
|---|
| 1000 59 35 29 32 50 11 15 9 21 19 45 2... |
| correct output |
|---|
| YES NO YES NO YES ... |
| user output |
|---|
| NO NO NO YES NO ... Truncated |
Test 3
Group: 1, 2
Verdict: WRONG ANSWER
| input |
|---|
| 720 6 1 6 4 5 2 3 6 6 3 2 1 5 4 ... |
| correct output |
|---|
| YES NO NO NO YES ... |
| user output |
|---|
| YES YES YES YES YES ... Truncated |
Test 4
Group: 1, 2
Verdict: WRONG ANSWER
| input |
|---|
| 1000 8 7 4 2 8 6 3 5 1 8 3 8 2 7 5 4 6 1 ... |
| correct output |
|---|
| NO NO YES NO YES ... |
| user output |
|---|
| NO NO NO NO NO ... Truncated |