-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy path2160C.cpp
More file actions
54 lines (52 loc) · 1.15 KB
/
Copy path2160C.cpp
File metadata and controls
54 lines (52 loc) · 1.15 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define REP(i,n) for(int i=0; i<n; i++)
#define RREP(i,n) for(int i=n-1; i>= 0; i--)
#define mod 1000000007
string decToBinary(int n) {
string bin = "";
while (n > 0) {
int bit = n & 1;
bin.push_back('0' + bit);
n = n >> 1;
}
reverse(bin.begin(), bin.end());
return bin;
}
bool isgood(string s){
string revers = s;
reverse(revers.begin(), revers.end());
if(revers.size()%2 && revers[revers.size()/2] == '1') return false;
if(revers == s) return true;
return false;
}
void solve()
{
unsigned int n; cin >> n;
string bit = decToBinary(n);
int endzero = 0;
RREP(i, bit.size()){
if(bit[i] == '0') endzero++;
else break;
}
bool can = isgood(bit);
if(!can){
REP(i, endzero){
bit = '0' + bit;
can = isgood(bit);
if(can) break;
}
}
cout << (can ? "YES" : "NO") << endl;
}
int main() {
ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
ll test=1;
cin>>test;
while(test--)
{
solve();
}
return 0;
}