제출 #1047382

#제출 시각아이디문제언어결과실행 시간메모리
1047382NotLinuxArranging Shoes (IOI19_shoes)C++17
10 / 100
0 ms348 KiB
#include <bits/stdc++.h> #include "shoes.h" using namespace std; #define sz(x) (int)x.size() #define all(x) x.begin(),x.end() const long long inf = 1e18 + 7; long long count_swaps(vector<int> s) { int n = sz(s) / 2; long long ans = inf; // cout << "n : " << n << endl; // for(auto itr : s)cout << itr << " ";cout << endl; if(n == 1){// 10 pts - n = 1 ans = 0; if(s[0] > 0)ans++; return ans; } // if(n <= 8){// 20 pts - n <= 8 // vector < int > shoes; // for(auto itr : s)if(itr > 0)shoes.push_back(itr); // sort(all(shoes)); // vector < int > perm(n); // iota(all(perm) , 0); // do{ // long long locans = 0; // vector < int > news; // for(auto itr : perm){ // news.push_back(-shoes[itr]); // news.push_back(shoes[itr]); // } // for(int i = 0;i<2*n;i++){ // int cur = i+1; // while(s[cur] != news[cur])cur++; // locans += cur - i; // int tmp = news[i]; // for(int j = i;j<cur;j++){ // news[j] = news[j+1]; // } // news[cur] = tmp; // } // ans = min(ans , locans); // } while(next_permutation(all(perm))); // return ans; // } // set < int > ste; // for(auto itr : s){ // ste.insert(abs(itr)); // } // if(sz(ste) == 1){// 20 pts - all shoe sizes are same // } // else{// 15 pts - first n are left , rest are right and i = i+n // } }

컴파일 시 표준 에러 (stderr) 메시지

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:54:1: warning: control reaches end of non-void function [-Wreturn-type]
   54 | }
      | ^
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