Submission #1340946

#	Time	Username	Problem	Language	Result	Execution time	Memory
1340946		sano	Secret (JOI14_secret)	C++20	Compilation error	0 ms	0 KiB

secret

#include "secret.h"
#include <iostream>  // cin, cout
#include <vector>    // vector
#include <string>    // string
#include <set>
#include <queue>
#include <fstream>
#include <unordered_map>
#include <algorithm>
#include <map>
#define vec vector
#define NEK 1000000000
#define For(i,n) for(ll i = 0; i < n; i++)
#define ld long double
#define ll long long
#define pii pair<int,int>
#define mod 1000000007
#define SIG 0.000001
using namespace std;

int msb(int x){
    return 31 - __builtin_clz(x);
}

vec<vec<int>> hod;
vec<int> a;

void Init(int n, vec<int>A){
    //For(i, n) a.push_back(A[i]);
    a = A;
    hod.resize(32, vec<int>(n, NEK));
    For(i, n-1){
        int x = msb(i ^ (i+1));
        int pol = 1<<x;
        hod[x][i] = a[i];
        for(int j = i-1; (j > (i - pol)) && j >= 0; j--){
            hod[x][j] = Secret(hod[x][j+1], a[j]);
        }
        hod[x][i+1] = a[i+1];
        for(int j = i+2; (j <= (i + pol)) && j < n; j++){
            hod[x][j] = Secret(hod[x][j-1], a[j]);
        }
    }
}

int Query(int l, int r){
        if(l == r) return a[l];
        int x = msb(l ^ r);
        return Secret(hod[x][l], hod[x][r]);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccgfvh2P.o: in function `main':
grader.cpp:(.text.startup+0x2c7): undefined reference to `Init(int, int*)'
collect2: error: ld returned 1 exit status