제출 #200384

#제출 시각아이디문제언어결과실행 시간메모리
200384thiago4532Arranging Shoes (IOI19_shoes)C++17
50 / 100
1096 ms1952 KiB
#include "shoes.h" #include <iostream> using namespace std; long long count_swaps(std::vector<int> s) { long long sum = 0; for (int i = 0; i < (int)s.size(); i+=2) { int j; for (j = i + 1; j < (int)s.size(); j++) { if(s[j] + s[i] == 0) break; } sum += (j - i); if (s[i] < 0) sum--; for (;j > i; j--) swap(s[j], s[j-1]); if(s[i] > s[i+1]) swap(s[i], s[i+1]); // for(auto& e : s) // cout << e << ' '; // cout << "\n"; } return sum; }
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