제출 #345572

#제출 시각아이디문제언어결과실행 시간메모리
345572antontsiorvasArranging Shoes (IOI19_shoes)C++14
15 / 100
35 ms3200 KiB
#include "shoes.h"

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