Submission #685101

#TimeUsernameProblemLanguageResultExecution timeMemory
685101gagik_2007Xoractive (IZhO19_xoractive)C++17
6 / 100
4 ms592 KiB
#include "interactive.h" #include <iostream> #include <algorithm> #include <string> #include <vector> #include <cmath> #include <chrono> #include <ctime> #include <set> #include <map> #include <stack> #include <queue> #include <deque> #include <limits> #include <iomanip> #include <unordered_set> #include <unordered_map> #include <fstream> #include <functional> #include <random> #include <cassert> using namespace std; typedef long long ll; typedef long double ld; #define ff first #define ss second ll ttt; const ll INF = 1e18; const ll MOD = 1e9 + 7; const ll N = 3007; ll n, m, k; vector<int>sub(vector<int>a, vector<int>b) { map<int, int>m; for (int i : a)m[i]++; for (int j : b)m[j]--; vector<int>ans; for (pair<int, int>p : m) { for (int i = 0; i < p.second; i++)ans.push_back(p.first); } return ans; } vector<int> guess(int nn) { n = nn; map<int, int>m; vector<int>nums; int x = ask(1); for (int i = 6; i >= 0; i--) { vector<int>askk; for (int j = 2; j <= n; j++) { if (j & (1 << i))askk.push_back(j); } if (askk.size() == 0)continue; vector<int>first = get_pairwise_xor(askk); askk.push_back(1); vector<int>second = get_pairwise_xor(askk); second = sub(second, first); for (int j = 0; j < second.size(); j++) { second[j] ^= x; m[second[j]] |= (1 << i); } } int anss[101]; for (pair<int, int>p : m) { anss[p.second] = p.first; } anss[1] = x; vector<int> ans; for (int i = 1; i <= n; i++) { ans.push_back(anss[i]); } return ans; }

Compilation message (stderr)

Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:62:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |         for (int j = 0; j < second.size(); j++) {
      |                         ~~^~~~~~~~~~~~~~~
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