제출 #723975

#제출 시각아이디문제언어결과실행 시간메모리
723975GrandTiger1729Vision Program (IOI19_vision)C++17
33 / 100
7 ms1736 KiB
#include "vision.h" #ifndef EVAL #include "grader.cpp" #endif #include <bits/stdc++.h> using namespace std; const int C = 10000; void construct_network(int n, int m, int K){ auto valid = [&](int i, int j) -> int { return 0 <= i && i < n && 0 <= j && j < m; }; auto idx = [&](int i, int j) -> int { return i * m + j; }; vector<pair<int, int>> res; for (int i = 0; i < n; i++){ for (int j = 0; j < m; j++){ for (int k = 0; k <= K; k++){ if (k != K && valid(i + (K - k), j - k)) res.emplace_back(idx(i, j), idx(i + (K - k), j - k)); if (k != 0 && valid(i + (K - k), j + k)) res.emplace_back(idx(i, j), idx(i + (K - k), j + k)); } } } vector<int> qry; random_shuffle(res.begin(), res.end()); for (int i = 0; i < min((int)res.size(), C - 1); i++) qry.push_back(add_and({res[i].first, res[i].second})); add_or(qry); }
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