Submission #247206

#TimeUsernameProblemLanguageResultExecution timeMemory
247206ritikpatel05Alkemija (COCI18_alkemija)C++17
8 / 80
48 ms9896 KiB
/* Author: Ritik Patel */ //&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& STL DEBUGGER &&&&&&&&&&&&&&&&&&&&&&&&&&& // #define _GLIBCXX_DEBUG // Iterator safety; out-of-bounds access for Containers, etc. // #pragma GCC optimize "trapv" // abort() on (signed) integer overflow. //&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& LIBRARIES &&&&&&&&&&&&&&&&&&&&&&&&&&& #include <bits/stdc++.h> using namespace std; /*#include <ext/pb_ds/assoc_container.hpp> // Common file #include <ext/pb_ds/tree_policy.hpp> // Including tree_order_statistics_node_update template<typename T, typename V = __gnu_pbds::null_type> using ordered_set = __gnu_pbds::tree<T, V, less<T>, __gnu_pbds::rb_tree_tag, __gnu_pbds::tree_order_statistics_node_update>; */ //find_by_order()->returns an iterator to the k-th largest element(0-based indexing) //order_of_key()->Number of items that are strictly smaller than our item //&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& DEFINES &&&&&&&&&&&&&&&&&&&&&&&&&&& #define int long long int // #define ll long long int #define all(i) i.begin(), i.end() #define sz(a) (int)a.size() // #define ld long double // const ld PI = 3.141592; const int dx4[4] = {0, 1, 0, -1}; const int dy4[4] = {-1, 0, 1, 0}; const int dx8[8] = {-1, -1, -1, 0, 1, 1, 1, 0}; const int dy8[8] = {-1, 0, 1, 1, 1, 0, -1, -1}; //&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& DEBUG &&&&&&&&&&&&&&&&&&&&&&&&&&& #define XOX vector<string> vec_splitter(string s) { for(char& c: s) c = c == ','? ' ': c; stringstream ss; ss << s; vector<string> res; for(string z; ss >> z; res.push_back(z)); return res; } void debug_out(vector<string> __attribute__ ((unused)) args, __attribute__ ((unused)) int idx) { cerr << endl; } template <typename Head, typename... Tail> void debug_out(vector<string> args, int idx, Head H, Tail... T) { if(idx > 0) cerr << ", "; stringstream ss; ss << H; cerr << args[idx] << " = " << ss.str(); debug_out(args, idx + 1, T...); } #ifdef XOX #define debug(...) debug_out(vec_splitter(#__VA_ARGS__), 0, __VA_ARGS__) #else #define debug(...) 42 #endif //&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& CODE &&&&&&&&&&&&&&&&&&&&&&&&&&& int N, M, K; const int MAXN = 1e5 + 5; bool mark[MAXN]; vector<int> A[MAXN], B[MAXN]; void solve(){ cin >> N >> M; for(int i = 1, x; i <= M; ++i){ cin >> x; mark[x] = true; } cin >> K; for(int i = 1; i <= K; ++i){ int l, r; cin >> l >> r; vector<int> a(l), b(r); for(auto &x: a){ cin >> x; } for(auto &x: b){ cin >> x; } A[i] = a, B[i] = b; } for(int j = 0; j < 2; ++j){ for(int i = 1; i <= K; ++i){ bool poss1 = true; for(auto &x: A[i]){ poss1 &= mark[x] == true; } if(!poss1){ continue; } for(auto &x: B[i]){ mark[x] = true; } } } int total = 0; for(int i = 1; i <= N; ++i){ total += mark[i]; } cout << total << '\n'; for(int i = 1; i <= N; ++i){ if(mark[i]){ cout << i << " "; } } cout << '\n'; } int32_t main(){ ios_base::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr); int T = 1; // cin >> T; for(int i = 1; i <= T; ++i){ // brute(); solve(); } return 0; } /* Sample inp */
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