제출 #898647

#제출 시각아이디문제언어결과실행 시간메모리
898647ozner77Arranging Shoes (IOI19_shoes)C++17
0 / 100
14 ms1996 KiB
#include "shoes.h" #include <bits/stdc++.h> #include <vector> #include <iostream> #include <string> using namespace std; long long count_swaps(std::vector<int> s) { int c,d,e=s.size(),xd; long long swaps=0; for(int i=0;i<e;i+=2){ c=s[i+1]; for(int k=i+1;k<e;k++){ if(s[k]+s[i]==0){ swaps+=(k-(i+1)); s[i+1]=s[k]; s[k]=c; break; }else{ d=s[k]; s[k]=c; c=d; } } return swaps; } }

컴파일 시 표준 에러 (stderr) 메시지

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:8:21: warning: unused variable 'xd' [-Wunused-variable]
    8 |  int c,d,e=s.size(),xd;
      |                     ^~
shoes.cpp:26:1: warning: control reaches end of non-void function [-Wreturn-type]
   26 | }
      | ^
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