Submission #642663

#	Time	Username	Problem	Language	Result	Execution time	Memory
642663		TimDee	Brperm (RMI20_brperm)	C++17	Compilation error	0 ms	0 KiB

brperm

#include "brperm.h"
#include <bits/stdc++.h>
using namespace std;

string S;
void init(int n, char* s) {
    S=s;
}

int query(int ind, int k) {

    for (int i=ind; i<ind+(1<<k); ++i) {
        int j=0;
        for (int b=k-1; b>=0; --b) {
            j+=(((i-ind)>>b)&1)<<(k-1-b); 
        }
        if (S[i]!=S[ind+j]) return 0;
    }
    return 1;

}

Compilation message (stderr)

/usr/bin/ld: /tmp/cc4dWyyL.o: in function `main':
grader.cpp:(.text.startup+0x72): undefined reference to `init(int, char const*)'
collect2: error: ld returned 1 exit status