| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 464353 |
2021-08-13T05:28:31 Z |
amunduzbaev |
Rack (eJOI19_rack) |
C++14 |
|
1 ms |
204 KB |
#include "bits/stdc++.h"
using namespace std;
const int mod = 1e9+7;
int pw(int a, int b){
int rr = 1;
while(b){
if(b&1) rr = rr * 1ll * a % mod;
a = a * 1ll * a % mod, b >>= 1;
} return rr;
}
void solve(){
int n, k; cin>>n>>k;
vector<int> bit(n);
for(int i=0;i<(int)bit.size();i++){
n--;
if(n > 63){
bit[i] = 0;
} else {
if(k <= (1ll << n)) bit[i] = 0;
else bit[i] = 1, k -= (1ll << n);
}
}
//~ for(int i=0;i<(int)bit.size();i++) cout<<bit[i]<<" ";
//~ cout<<"\n";
int res = 1;
for(int i=0;i<(int)bit.size();i++){
if(bit[i]) res = (res + pw(2, i)) % mod;
}
cout<<res<<"\n";
}
signed main(){
ios_base::sync_with_stdio(0); cin.tie(0);
int t = 1;
//~ cin>>t;
while(t--) solve();
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 13 |
Halted |
0 ms |
0 KB |
- |
