Submission #579490

#TimeUsernameProblemLanguageResultExecution timeMemory
579490keta_tsimakuridzeVision Program (IOI19_vision)C++14
59 / 100
39 ms8864 KiB
#include<bits/stdc++.h> #include "vision.h" using namespace std; const int N = 2e5 + 5; int id_or[N], id_xor[N], cur; vector<int> X;/* void add_and(vector<int> Ns) { int x = 1; for(int i = 0; i < Ns.size(); i++) { x &= X[Ns[i]]; } X.push_back(x); } void add_or(vector<int> Ns) { int x = 0; for(int i = 0; i < Ns.size(); i++) { x |= X[Ns[i]]; } X.push_back(x); } void add_xor(vector<int> Ns) { int x = 0; for(int i = 0; i < Ns.size(); i++) { x ^= X[Ns[i]]; } X.push_back(x); } void add_not(int N) { X.push_back(1^X[N]); } */ vector<int> d[N]; int go(int n, int k) { vector<int> V; for(int i = 0; i < n; i++) { id_or[i] = ++cur; add_or(d[i]); id_xor[i] = ++cur; add_xor(d[i]); add_not(cur); ++cur; add_and({cur, id_or[i]}); V.push_back(++cur); } for(int i = k; i < n; i++) { vector<int> v; for(int j = i - k ; j <= i; j++) { v.push_back(id_or[j]); } ++cur; add_or(v); ++cur; add_xor(v); add_not(cur); ++cur; add_and({cur, cur - 2}); ++cur; V.push_back(cur); } add_or(V); ++cur; return cur; } void calc(int n, int m,int k) { for(int i = 0; i < n + m; i++) d[i].clear(); for(int i = 0; i < n; i++) { for(int j = 0; j < m; j++) { d[i - j + m - 1].push_back(i * m + j); } } int id1 = go(n + m - 1, k); for(int i = 0; i < n + m; i++) { d[i].clear(); } for(int i = 0; i < n; i++) { for(int j = 0; j < m; j++) { d[i + j].push_back(i * m + j); } } int id2 = go(n + m - 1, k); add_and({id1, id2}); ++cur; } void construct_network(int H, int W, int K) { cur = H * W; --cur; calc(H, W, K); int pcur = cur; calc(H, W, K - 1); add_xor({pcur, cur}); } /* int main() { int H, W, K; assert(3 == scanf("%d%d%d", &H, &W, &K)); for(int i = 0; i < H; i++) { for(int j = 0; j < W; j++) { int a; cin >> a; X.push_back(a); } } construct_network(H, W, K); cout << X.back() << endl; }*/
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