Submission #832725

#TimeUsernameProblemLanguageResultExecution timeMemory
832725JokubasCrosses on the Grid (FXCUP4_cross)C++17
63 / 100
1080 ms30796 KiB
#include <iostream> #include <bits/stdc++.h> #define pb push_back typedef long long ll; using namespace std; ll SelectCross (int K, vector<int> I, vector<int> O) { ll ats = 0; int N = I.size(); map<int, vector<int>> lol; vector<pair<int, int>> visi; for(int i = 0; i<N; i++) { visi.pb({I[i], O[i]}); lol[I[i]].pb(O[i]); } sort(visi.begin(), visi.end()); reverse(visi.begin(), visi.end()); int kiek = lol.size(); int kur = 0; int isviso = 0; //vector<int> didziausi; deque<int> didziausi; for(int i = 0; i<kiek; i++) { int dabar = visi[kur].first; int kiekisI = lol[dabar].size(); isviso += kiekisI; int k = 0; int j = 0; while(j < K && k < kiekisI) { if((int)didziausi.size() <= j) { didziausi.pb(visi[kur + k].second); j++; k++; continue; } if(visi[kur + k].second <= didziausi[min((int)didziausi.size()-1, K-1)]) { j = min((int)didziausi.size()-1, K-1) + 1; continue; } /*int r = j; int l = min((int)didziausi.size(), K-1); while(r<l) { int m = (r+l)/2; }*/ if(visi[kur + k].second >= didziausi[j]) { didziausi.insert(didziausi.begin() + j, visi[kur + k].second); k++; } j++; } if(isviso < K) { kur = isviso; continue; } ll plotas = (ll)dabar*(2*(ll)didziausi[K-1] - (ll)dabar); ats = max(ats, plotas); kur = isviso; } return ats; }
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