Submission #984233

#TimeUsernameProblemLanguageResultExecution timeMemory
984233SzymonKrzywdaArranging Shoes (IOI19_shoes)C++17
Compilation error
0 ms0 KiB
//#include "shoes.h" #include <bits/stdc++.h> using namespace std; const int base = 2<<18; int tree[base*2+7]; void edit(int n){ n+=base; while (n>0){ tree[n] += 1; n/=2; } } int query(int a,int b){ a+=base-1; b+=base+1; int wynik=0; while (a/2 != b/2){ if (a%2==0) wynik += tree[a+1]; if (b%2==1) wynik += tree[b-1]; a/=2; b/=2; } return wynik; } uint64_t count_swaps(vector<int>S){ uint64_t wynik = 0; long long idx_2=0,val=0,idx_3=0,size_=0,i=0; pair< vector<int>,int> idx[100007]; priority_queue<pair<int,int>> kolejka; //pos, item for (long unsigned int i=0; i<S.size(); ++i){ if (S[i]>0) idx[S[i]].first.push_back(i); else kolejka.push({-i,S[i]}); } size_ = S.size(); while (!kolejka.empty()){ idx_2 = -kolejka.top().first; val = kolejka.top().second; kolejka.pop(); //cout << idx_2 << " " << val << endl; wynik += idx_2-i+query(idx_2+1,size_); edit(idx_2); //cout << wynik << endl; idx_3 = idx[-val].first[idx[-val].second]; wynik += idx_3-(i+1)+query(idx_3+1,size_); edit(idx_3); //cout << wynik << endl << endl; idx[-val].second += 1; i+=2; } for (int j=0; j<base*2+7; j++){ tree[j] = 0; } return wynik; } int main(){ cout << count_swaps(vector<int>({2,1,-1,-2})) << endl; cout << count_swaps(vector<int>({-2,2,2,-2,-2,2})); return 0; }

Compilation message (stderr)

/usr/bin/ld: /tmp/ccEFY7TG.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc0PTy8D.o:shoes.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status