# include "interactive.h"
# include <bits/stdc++.h>
# define pb push_back
# define ff first
# define ss second
# define nl "\n"
# define sz(x) ((int)(x).size())
# define all(x) (x).begin(), (x).end()
# define deb(x) cerr << #x << " = " << x << endl;
# define pll pair <ll, ll>
# define pii pair <int, int>
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
const ll maxn = (ll)2e5 + 7;
const ll inf = (ll)2e18 + 0;
const ll mod = (ll)1e9 + 7;
const ll dx[] = {-1, 1, 0, 0};
const ll dy[] = {0, 0, -1, 1};
using namespace std;
mt19937 rng(239017);
vector <int> guess (int n) {
vector <int> ans(n, 0);
ans[0] = ask(1);
map <int, int> mp[7];
set <int> st;
for (int bit = 0; bit < 7; ++bit) {
vector <ll> q[2];
for (int i = 2; i <= n; ++i) {
if (i & (1LL << bit)) {
q[0].pb(i);
q[1].pb(i);
}
}
q[1].pb(1);
map <int, int> cnt;
q[0] = get_pairwise_xor(q[0]);
q[1] = get_pairwise_xor(q[1]);
for (int x : q[1]) cnt[x]++;
for (int x : q[0]) cnt[x]--;
for (auto [x, y] : cnt) {
if (y == 2) {
int num = ans[0] ^ x;
mp[bit][num]++;
st.insert(num);
}
}
}
for (int x : st) {
int id = 0;
for (int bit = 0; bit < 7; ++bit) {
if (mp[bit][x]) {
id += (1LL << bit);
}
}
ans[id - 1] = x;
}
return ans;
}
Compilation message
Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:42:30: error: could not convert 'q[0]' from 'vector<long long int>' to 'vector<int>'
42 | q[0] = get_pairwise_xor(q[0]);
| ~~~^
| |
| vector<long long int>
Xoractive.cpp:43:30: error: could not convert 'q[1]' from 'vector<long long int>' to 'vector<int>'
43 | q[1] = get_pairwise_xor(q[1]);
| ~~~^
| |
| vector<long long int>
Xoractive.cpp:46:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
46 | for (auto [x, y] : cnt) {
| ^
