CSES - HIIT Open 2018 - Results
Submission details
Task:Alien Invasion
Sender:Karhukopla
Submission time:2018-05-26 11:05:33 +0300
Language:C++
Status:READY
Result:ACCEPTED
Test results
testverdicttime
#1ACCEPTED0.01 sdetails
#2ACCEPTED0.01 sdetails
#3ACCEPTED0.01 sdetails
#4ACCEPTED0.01 sdetails
#5ACCEPTED0.01 sdetails
#6ACCEPTED0.01 sdetails
#7ACCEPTED0.01 sdetails
#8ACCEPTED0.01 sdetails
#9ACCEPTED0.01 sdetails
#10ACCEPTED0.01 sdetails
#11ACCEPTED0.02 sdetails
#12ACCEPTED0.01 sdetails
#13ACCEPTED0.01 sdetails
#14ACCEPTED0.01 sdetails
#15ACCEPTED0.01 sdetails
#16ACCEPTED0.01 sdetails
#17ACCEPTED0.01 sdetails
#18ACCEPTED0.01 sdetails
#19ACCEPTED0.01 sdetails
#20ACCEPTED0.01 sdetails
#21ACCEPTED0.01 sdetails
#22ACCEPTED0.01 sdetails

Code

#include <bits/stdc++.h>

#define ll long long
#define lll __int128
#define pii pair<int, int>
#define M 1000000007

using namespace std;

int main () {
	ll nn;
	cin>>nn;
	lll n = nn;
	lll ans = 0;
	for (lll x = n; x >= 1; x /= 2) {
		while ((ans + x) * (ans + x) <= n) ans += x;
	}
	if (ans * ans == n) {
		cout<<"odd"<<endl;
	} else {
		cout<<"even"<<endl;
	}
}

Test details

Test 1

Verdict: ACCEPTED

input
1

correct output
odd

user output
odd

Test 2

Verdict: ACCEPTED

input
2

correct output
even

user output
even

Test 3

Verdict: ACCEPTED

input
3

correct output
even

user output
even

Test 4

Verdict: ACCEPTED

input
4

correct output
odd

user output
odd

Test 5

Verdict: ACCEPTED

input
5

correct output
even

user output
even

Test 6

Verdict: ACCEPTED

input
6

correct output
even

user output
even

Test 7

Verdict: ACCEPTED

input
7

correct output
even

user output
even

Test 8

Verdict: ACCEPTED

input
8

correct output
even

user output
even

Test 9

Verdict: ACCEPTED

input
9

correct output
odd

user output
odd

Test 10

Verdict: ACCEPTED

input
10

correct output
even

user output
even

Test 11

Verdict: ACCEPTED

input
11

correct output
even

user output
even

Test 12

Verdict: ACCEPTED

input
12

correct output
even

user output
even

Test 13

Verdict: ACCEPTED

input
13

correct output
even

user output
even

Test 14

Verdict: ACCEPTED

input
14

correct output
even

user output
even

Test 15

Verdict: ACCEPTED

input
15

correct output
even

user output
even

Test 16

Verdict: ACCEPTED

input
16

correct output
odd

user output
odd

Test 17

Verdict: ACCEPTED

input
17

correct output
even

user output
even

Test 18

Verdict: ACCEPTED

input
18

correct output
even

user output
even

Test 19

Verdict: ACCEPTED

input
19

correct output
even

user output
even

Test 20

Verdict: ACCEPTED

input
999999874000003969

correct output
odd

user output
odd

Test 21

Verdict: ACCEPTED

input
999999999999999989

correct output
even

user output
even

Test 22

Verdict: ACCEPTED

input
1000000000000000000

correct output
odd

user output
odd