oj.uz

Submission #603811

# Submission time Handle Problem Language Result Execution time Memory
603811 2022-07-24T11:59:35 Z Lextyle Rack (eJOI19_rack) C++17
100 / 100
 7 ms 4052 KB 
#include <bits/stdc++.h>
#pragma warning(disable : 4996)
#pragma warning(disable : 6031)
#define USACO freopen("clumsy.in", "r", stdin); freopen("clumsy.out", "w+", stdout);    
#define fastIO ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
using namespace std;
int powmod[1000000];

int main() {
	//USACO;
	fastIO;
	int n, ans = 1;
	long long k;
	cin >> n >> k;
	powmod[0] = 1;
	for (int i = 1; i < n; i++) powmod[i] = (powmod[i - 1] * 2) % 1000000007;
	for (int i = n - 1, j = 0; i >= 0; i--, j++) {
		if (k % 2 == 0) ans = (ans + powmod[i]) % 1000000007;
		k = k / 2 + (k % 2);
	}
	cout << ans << "\n";
}

Compilation message

rack.cpp:2: warning: ignoring '#pragma warning ' [-Wunknown-pragmas]
    2 | #pragma warning(disable : 4996)
      | 
rack.cpp:3: warning: ignoring '#pragma warning ' [-Wunknown-pragmas]
    3 | #pragma warning(disable : 6031)
      |

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 328 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 7 ms 4052 KB Output is correct