#include <bits/stdc++.h>
#define fi first
#define se second
#include "Annalib.h"
using namespace std;
mt19937 rng(145);
const int m = 150, T = 60;
bitset <T> a[m];
long long rnd(long long l, long long r){
return l + rng() % (r - l + 1);
}
#define Bit(x, i) (x >> i & 1)
void Anna(int N, long long X, int K, int P[]){
for (int i = 0; i < m; ++ i){
for (int j = 0; j < T; ++ j) a[i][j] = rnd(0, 1);
}
vector <long long> b(m, 0);
vector <bool> broken(m, 0);
for (int i = 0; i < K; ++ i) broken[P[i]] = 1;
for (int i = 0; i < m; ++ i){
for (int j = 0; j < T; ++ j) if (a[i][j]) b[i] += (1ll << j);
}
bitset <m> base;
vector <pair <long long, bitset <m>>> basis(T, {0, base});
for (int i = 0; i < m; ++ i) if (!broken[i]){
long long x = b[i]; bitset <m> cur; cur.set(i);
for (int j = 0; j < T; ++ j) if (Bit(x, j)){
if (!basis[j].fi) {
basis[j] = {x, cur};
break;
}
x ^= basis[j].fi; cur ^= basis[j].se;
}
}
bitset <m> ans;
long long x = X;
for (int j = 0; j < T; ++ j) if (Bit(x, j)){
x ^= basis[j].fi; ans ^= basis[j].se;
}
for (int i = 0; i < m; ++ i) Set(i, ans[i]);
}
#include <bits/stdc++.h>
#include "Brunolib.h"
using namespace std;
mt19937 rng(145);
const int m = 150, T = 60;
bitset <T> a[m];
long long rnd(long long l, long long r){
return l + rng() % (r - l + 1);
}
long long Bruno(int N, vector <int> A){
long long xr = 0;
for (int i = 0; i < m; ++ i){
long long b = 0;
for (int j = 0; j < T; ++ j){
int a = rnd(0, 1);
if (a) b += (1ll << j);
}
if (A[i]) xr ^= b;
}
return xr;
}
Compilation message
/usr/bin/ld: /tmp/cce1dX9m.o: in function `main':
grader_bruno.cpp:(.text.startup+0x13d): undefined reference to `Bruno(int, int*)'
collect2: error: ld returned 1 exit status
