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Putka Open 2020 – 4/5

Neliöt

  • Start: 2020-11-06 18:00:00
  • End: 2020-11-08 23:00:00
Submission details
Task:Neliöt
Sender:Gomhog
Submission time:2020-11-06 18:58:36 +0200
Language:C++ (C++11)
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED28
#2ACCEPTED72
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2details
#2ACCEPTED0.01 s1, 2details
#3ACCEPTED0.01 s2details

Code

#include <bits/stdc++.h>
typedef long long ll;
typedef long double ld;
#define F first
#define S second

using namespace std;

void solve(int n) {
	for (int k=2;k*k<=n;k++) {
		if (n%k!=0) continue;
		if (k%4==3) {
			int kk=k*k;
			while (n%kk==0) n/=kk;
			if (n%k==0) {
				cout<<"NO\n";
				return;
			}
		}
		while (n%k==0) n/=k;
	}
	if (n%4==3) cout<<"NO\n";
	else cout<<"YES\n";
}

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	int tst;
	cin>>tst;
	for (int t=0;t<tst;t++) {
		int n;
		cin>>n;
		solve(n);
	}
}

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
100
1
2
3
4
...
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correct output
YES
YES
NO
YES
YES
...
view save

user output
YES
YES
NO
YES
YES
...
Truncated

Test 2

Group: 1, 2

Verdict: ACCEPTED

input
100
522
419
402
969
...
view save

correct output
YES
NO
NO
NO
NO
...
view save

user output
YES
NO
NO
NO
NO
...
Truncated

Test 3

Group: 2

Verdict: ACCEPTED

input
100
575833539
744851460
436154655
655319365
...
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correct output
NO
NO
NO
NO
NO
...
view save

user output
NO
NO
NO
NO
NO
...
Truncated

Tasks

A Neliöt-B Peli-C Tekijät-D Ruudukko-

Submissions (Gomhog)

2020-11-06 18:58:36 100