Submission #1037192

#TimeUsernameProblemLanguageResultExecution timeMemory
1037192shmaxVision Program (IOI19_vision)C++17
100 / 100
16 ms2956 KiB
#include "vision.h" #include <bits/stdc++.h> using namespace std; #define all(x) x.begin(), x.end() #define len(x) (int)(x.size()) #define bit(x, i) (((x) >> i) & 1) template<typename T> using vec = vector<T>; void construct_network(int H, int W, int K) { if (min(H, W) == 1) { vec<int> vals; for (int i = 0; i < H; i++) { for (int j = 0; j < W; j++) { for (int i1 = 0; i1 < H; i1++) { for (int j1 = 0; j1 < W; j1++) { if (abs(i1 - i) + abs(j1 - j) == K) { vals.push_back(add_and({i * W + j, i1 * W + j1})); } } } } } add_or(vals); return; } // std::vector<int> Ns; // Ns = {0, 1}; // int a = add_and(Ns); // Ns = {0, a}; // int b = add_or(Ns); // Ns = {0, 1, b}; // int c = add_xor(Ns); // add_not(c); vec<int> rows; vec<int> columns; for (int i = 0; i < H; i++) { vec<int> v; for (int j = 0; j < W; j++) { v.push_back(i * W + j); } rows.push_back(add_or(v)); } for (int i = 0; i < W; i++) { vec<int> v; for (int j = 0; j < H; j++) { v.push_back(j * W + i); } columns.push_back(add_or(v)); } int TRUE = add_or(rows); int B = 9; vec<int> dx(B, add_not(TRUE)); for (int i = 0; i < B; i++) { vec<int> res; for (int j = 0; j < H; j++) { vec<int> t; for (int k = 0; k < j; k++) { if (bit(j - k, i)) { t.push_back(rows[k]); } } if (t.empty()) continue; int f1 = add_or(t); res.push_back(add_and({rows[j], f1})); } if (res.empty()) continue; dx[i] = add_or(res); } vec<int> dy(B, add_not(TRUE)); for (int i = 0; i < B; i++) { vec<int> res; for (int j = 0; j < W; j++) { vec<int> t; for (int k = 0; k < j; k++) { if (bit(j - k, i)) { t.push_back(columns[k]); } } if (t.empty()) continue; int f1 = add_or(t); res.push_back(add_and({columns[j], f1})); } if (res.empty()) continue; dy[i] = add_or(res); } vec<int> SUM(B, 0); int L = -1; for (int i = 0; i < B; i++) { vec<int> to_make = {dx[i], dy[i]}; if (L != -1) to_make.push_back(L); SUM[i] = add_xor(to_make); vec<int> LS; for (int j = 0; j < len(to_make); j++) { for (int t = 0; t < j; t++) { LS.push_back(add_and({to_make[t], to_make[j]})); } } L = add_or(LS); } for (int i = 0; i < B; i++) { if (!bit(K, i)) { SUM[i] = add_not(SUM[i]); } } add_and(SUM); }
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