Submission #144696

#TimeUsernameProblemLanguageResultExecution timeMemory
144696AASGArranging Shoes (IOI19_shoes)C++14
0 / 100
2 ms376 KiB
#include "shoes.h"

long long count_swaps(std::vector<int> s) {
    int a;
    a=s.size();
     return (a)*(a-1)/2;
}
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