Submission #148645

#TimeUsernameProblemLanguageResultExecution timeMemory
148645Little Piplup (#200)List of Unique Integers (FXCUP4_unique)C++17
0 / 100
5 ms256 KiB
#include "unique.h" std::vector<int> ans; void fillvec(int L, int R, int ct); std::vector<int> PickUnique(int N) { ans.resize(N); int ct = UniqueCount(0, N-1); fillvec(0,N-1,ct); return ans; } void fillvec(int L, int R, int ct) { if(L==R) { ans[L]=(ct==1); return; } int mid = (L+R)/2; int a = UniqueCount(L,mid), b = UniqueCount(mid+1,R); int k = (a+b-ct)/2; fillvec(L,mid,a-k); fillvec(mid+1,R,b-k); }
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