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HIIT Open 2018

Start:2018-05-26 11:00:00
End:2018-05-26 16:00:00
 

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CSES - HIIT Open 2018 - Results
History
2018-05-26 13:15:13
2018-05-26 12:52:33
2018-05-26 12:46:57
2018-05-26 11:58:12
2018-05-26 11:47:01
Task:Alien Invasion
Sender:Oispa nutellaa
Submission time:2018-05-26 13:15:13
Language:C++
Status:READY
Result:ACCEPTED

Test results

testverdicttime (s)
#1ACCEPTED0.02 / 1.00details
#2ACCEPTED0.01 / 1.00details
#3ACCEPTED0.01 / 1.00details
#4ACCEPTED0.01 / 1.00details
#5ACCEPTED0.02 / 1.00details
#6ACCEPTED0.01 / 1.00details
#7ACCEPTED0.01 / 1.00details
#8ACCEPTED0.01 / 1.00details
#9ACCEPTED0.01 / 1.00details
#10ACCEPTED0.01 / 1.00details
#11ACCEPTED0.01 / 1.00details
#12ACCEPTED0.02 / 1.00details
#13ACCEPTED0.01 / 1.00details
#14ACCEPTED0.01 / 1.00details
#15ACCEPTED0.01 / 1.00details
#16ACCEPTED0.01 / 1.00details
#17ACCEPTED0.01 / 1.00details
#18ACCEPTED0.01 / 1.00details
#19ACCEPTED0.01 / 1.00details
#20ACCEPTED0.02 / 1.00details
#21ACCEPTED0.01 / 1.00details
#22ACCEPTED0.01 / 1.00details

Code

#include <iostream>
#include <vector>
#include <map>

using namespace std;
typedef long long ll;
typedef __int128 lll;

ll n;

int main() {
	cin >> n;
	lll a = 1;
	for (lll b = (1LL<<61); b >= 1; b /= 2) {
		if ((a+b)*(a+b) <= n) a += b;
	}
	if (a*a == n) cout << "odd\n";
	else cout << "even\n";
	return 0;
}

Test details

Test 1

Verdict: ACCEPTED

input
1
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correct output
odd
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user output
odd
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Test 2

Verdict: ACCEPTED

input
2
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correct output
even
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user output
even
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Test 3

Verdict: ACCEPTED

input
3
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correct output
even
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user output
even
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Test 4

Verdict: ACCEPTED

input
4
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correct output
odd
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user output
odd
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Test 5

Verdict: ACCEPTED

input
5
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correct output
even
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user output
even
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Test 6

Verdict: ACCEPTED

input
6
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correct output
even
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user output
even
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Test 7

Verdict: ACCEPTED

input
7
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correct output
even
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user output
even
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Test 8

Verdict: ACCEPTED

input
8
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correct output
even
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user output
even
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Test 9

Verdict: ACCEPTED

input
9
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correct output
odd
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user output
odd
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Test 10

Verdict: ACCEPTED

input
10
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correct output
even
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user output
even
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Test 11

Verdict: ACCEPTED

input
11
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correct output
even
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user output
even
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Test 12

Verdict: ACCEPTED

input
12
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correct output
even
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user output
even
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Test 13

Verdict: ACCEPTED

input
13
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correct output
even
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user output
even
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Test 14

Verdict: ACCEPTED

input
14
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correct output
even
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user output
even
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Test 15

Verdict: ACCEPTED

input
15
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correct output
even
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user output
even
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Test 16

Verdict: ACCEPTED

input
16
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correct output
odd
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user output
odd
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Test 17

Verdict: ACCEPTED

input
17
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correct output
even
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user output
even
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Test 18

Verdict: ACCEPTED

input
18
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correct output
even
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user output
even
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Test 19

Verdict: ACCEPTED

input
19
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correct output
even
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user output
even
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Test 20

Verdict: ACCEPTED

input
999999874000003969
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correct output
odd
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user output
odd
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Test 21

Verdict: ACCEPTED

input
999999999999999989
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correct output
even
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user output
even
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Test 22

Verdict: ACCEPTED

input
1000000000000000000
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correct output
odd
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user output
odd
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