oj.uz

Submission #763708

# Submission time Handle Problem Language Result Execution time Memory
763708 2023-06-22T16:45:29 Z ivopav Rack (eJOI19_rack) C++14
40 / 100
 1 ms 300 KB 
#include <bits/stdc++.h>
using namespace std;

int main(){
    int n;
    int k;
    cin >> n >> k;
    k--;
    vector<bool> bin={};
    while (k>0){
        bin.push_back(k%2);
        k/=2;
    }
    while (bin.size()<n){
        bin.push_back(0);
    }
    int rje=0;
    reverse(bin.begin(),bin.end());
    int sad=1;
    for (int i=0;i<bin.size();i++){
        if (bin[i]){
            rje+=sad;
        }
        sad*=2;
    }
    cout << rje+1 << "\n";
}

Compilation message

rack.cpp: In function 'int main()':
rack.cpp:14:22: warning: comparison of integer expressions of different signedness: 'std::vector<bool>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   14 |     while (bin.size()<n){
      |            ~~~~~~~~~~^~
rack.cpp:20:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<bool>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |     for (int i=0;i<bin.size();i++){
      |                  ~^~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 ms 296 KB Output is correct
5 Correct 1 ms 300 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 ms 296 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 ms 296 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Incorrect 1 ms 212 KB Output isn't correct
12 Halted 0 ms 0 KB -