Submission #858108

#	Time	Username	Problem	Language	Result	Execution time	Memory
858108		iulia_morariu	Brperm (RMI20_brperm)	C++14	0 / 100	3071 ms	2044 KiB

brperm

#include <bits/stdc++.h>
#include <brperm.h>

using namespace std;

string v;

void init ( int n,  const char s[] ){
    for(int i = 0; i < n; i++) v.push_back( s[i] );
}

long long int transform(int nr, int k){
    vector <int> b;
    while(nr > 0){
        b.push_back(nr % 2);
        nr /= 2;
    }
    while(b.size() < k) b.push_back(0);

    long long int n1 = 0;
    long long int p = 1;
    for(int j = k - 1; j >= 0; j--){
        n1 += p * b[j];
        p *= 2;
    }
    return n1;
}

int query ( int it , int k ){
    int p = 1;
    for(int i = 0; i < k; i++) p *= 2;
    for(int i = it; i < it + p; i++){
        long long int x = transform( i - it, k );
        //cout << "i = " << i << " x = " << x << endl;
        //if(x > v.size()) return 0;
        if( v[it + x] != v[i] ) return 0;
    }
    return 1;
}

Compilation message (stderr)

brperm.cpp: In function 'long long int transform(int, int)':
brperm.cpp:18:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |     while(b.size() < k) b.push_back(0);
      |           ~~~~~~~~~^~~

• Subtask 1: 0 / 13
• Subtask 2: 0 / 37
• Subtask 3: 0 / 17
• Subtask 4: 0 / 33