Submission #1020257

#TimeUsernameProblemLanguageResultExecution timeMemory
1020257YassirSalamaVision Program (IOI19_vision)C++17
8 / 100
2 ms436 KiB
#include "vision.h" #include <bits/stdc++.h> using namespace std; const int dx[4] = {1,0,-1,0}, dy[4] = {0,1,0,-1}; #define endl "\n" using ull=unsigned long long; using ll=long long; using pii=pair<int,int>; const int mod=1e9+7; #define OVL(x,s) for(auto y:x) cout<<y<<s; cout<<"\n"; template <typename T> istream& operator>>(istream& is, vector<T> &a) { copy_n(istream_iterator<T>(is), a.size(), a.begin()); return is;} #ifdef IOI template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; } template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { os << '{'; string sep; for (const T &x : v) os << sep << x, sep = ", "; return os << '}'; } void dbg_out() { cout << endl; } template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cout << ' ' << H; dbg_out(T...); } #define dbg(...) cout << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__); #else #define dbg(...) 1337; #endif #define pb push_back #define F first #define S second #define all(v) v.begin(),v.end() const int mxn=2e5+100; void construct_network(int H, int W, int K) { int n=H; int m=W; vector<int> indices; auto dist = [&](int a,int b,int c,int d){ return abs(c-a)+abs(b-d); }; // for(int i=0;i<n;i++){ // for(int j=0;j<m;j++){ int i=0,j=0; for(int k=0;k<n;k++){ for(int l=0;l<m;l++){ if(i==k&&l==j) continue; if(dist(i,j,k,l)==K){ vector<int> v={i*m+j,k*m+l}; indices.pb(add_and(v)); } } } // } // } if(indices.empty()){ vector<int> v; for(int i=0;i<n;i++){ for(int j=0;j<m;j++){ v.pb(i*m+j); } } add_and(v); return; } add_or(indices); } #ifdef IOI #include "vision.h" using namespace std; static const int MAX_INSTRUCTIONS = 10000; static const int MAX_INPUTS = 1000000; static const int _AND = 0; static const int _OR = 1; static const int _XOR = 2; static const int _NOT = 3; static inline bool increasing(int a, int b, int c) { return a <= b && b <= c; } [[noreturn]] static inline void error(string message) { printf("%s\n", message.c_str()); exit(0); } class InstructionNetwork { struct Instruction { int type; vector<int> input_indexes; inline Instruction(int _type, const vector<int>& _input_indexes): type(_type), input_indexes(_input_indexes) { } inline int apply(int a, int b) const { switch (type) { case _AND: return a & b; case _OR: return a | b; case _XOR: return a ^ b; default: return 0; } } inline int compute(const vector<int>& memory_cells) const { int r = memory_cells[input_indexes[0]]; if (type == _NOT) return 1 - r; for (int j = 1; j < (int)input_indexes.size(); j++) r = apply(r, memory_cells[input_indexes[j]]); return r; } }; int input_size; int total_inputs; vector<Instruction> instructions; public: inline void init(int _input_size) { this->input_size = _input_size; this->total_inputs = 0; this->instructions.clear(); } inline int add_instruction(int type, const vector<int>& input_indexes) { if (input_indexes.size() == 0) error("Instruction with no inputs"); if (instructions.size() + 1 > MAX_INSTRUCTIONS) error("Too many instructions"); if (total_inputs + input_indexes.size() > MAX_INPUTS) error("Too many inputs"); instructions.emplace_back(type, input_indexes); total_inputs += input_indexes.size(); int new_index = input_size + (int)instructions.size() - 1; for (int input_index : input_indexes) if (!increasing(0, input_index, new_index-1)) error("Invalid index"); return new_index; } inline int compute(vector<int> &memory_cells) const { for (auto &instruction : instructions) memory_cells.push_back(instruction.compute(memory_cells)); return memory_cells.back(); } }; static InstructionNetwork instructionNetwork; int main() { int H, W, K; assert(3 == scanf("%d%d%d", &H, &W, &K)); FILE *log_file = fopen("log.txt","w"); instructionNetwork.init(H * W); construct_network(H, W, K); while (true) { int rowA, colA, rowB, colB; assert(1 == scanf("%d", &rowA)); if (rowA == -1) break; assert(3 == scanf("%d%d%d", &colA, &rowB, &colB)); if ((!increasing(0, rowA, H-1)) || (!increasing(0, colA, W-1)) || (!increasing(0, rowB, H-1)) || (!increasing(0, colB, W-1)) || (rowA == rowB && colA == colB)) { printf("-1\n"); fprintf(log_file, "-1\n"); fflush(stdout); fflush(log_file); continue; } vector<int> memory_cells; for (int row = 0; row < H; row++) for (int col = 0; col < W; col++) { bool active = (row == rowA && col == colA) || (row == rowB && col == colB); memory_cells.push_back(active ? 1 : 0); } int computation_result = instructionNetwork.compute(memory_cells); printf("%d\n", computation_result); fflush(stdout); for(int i = 0; i < (int)memory_cells.size(); i++) fprintf(log_file, (i ? " %d" : "%d"), memory_cells[i]); fprintf(log_file, "\n"); fflush(log_file); } fclose(stdin); } int add_and(vector<int> Ns) { return instructionNetwork.add_instruction(_AND, Ns); } int add_or(vector<int> Ns) { return instructionNetwork.add_instruction(_OR, Ns); } int add_xor(vector<int> Ns) { return instructionNetwork.add_instruction(_XOR, Ns); } int add_not(int N) { vector<int> Ns = {N}; return instructionNetwork.add_instruction(_NOT, Ns); } #endif
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