| Task: | Sorting |
| Sender: | ritul_kr_singh |
| Submission time: | 2021-01-30 19:43:53 +0200 |
| Language: | C++ (C++11) |
| 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
#include <bits/stdc++.h>
using namespace std;
//#define int long long
signed main(){
ios_base::sync_with_stdio(false); cin.tie(nullptr);
int t; cin >> t;
while(t--){
int n, x; cin >> n;
int a[n+1], sum = 0;
for(int i=1; i<=n; ++i){
cin >> x;
a[i] = x;
if(i>1 && a[i]==i-1 && a[i-1]==i) ++sum;
sum += abs(i-x);
}
if(sum&1) cout << "NO\n";
else cout << "YES\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 NO NO YES ... 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 |
|---|
| YES YES YES YES YES ... 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 NO NO 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 |
|---|
| YES YES YES YES YES ... Truncated |