Submission #762929

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
762929	2023-06-22 01:28:59	Trunkty	Cat (info1cup19_cat)	C++14	100 / 100	416 ms	20728 KiB

cat

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define int ll
int t;
int n;
int arr[200005],pos[200005];
int val(int x){
    if(x>n/2){
        return n-x+1LL;
    }
    else{
        return x;
    }
}
signed main(){
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> t;
    for(int e=1;e<=t;e++){
        cin >> n;
        for(int i=1;i<=n;i++){
            cin >> arr[i];
        }
        bool bad = false;
        for(int i=1;i<=n/2;i++){
            if(arr[i]+arr[n-i+1LL]!=n+1LL){
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 10 / 10
• Subtask 3: 25 / 25
• Subtask 4: 15 / 15
• Subtask 5: 35 / 35