제출 #146774

#제출 시각아이디문제언어결과실행 시간메모리
146774youssan_williamArranging Shoes (IOI19_shoes)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #include "shoes.h" using namespace std; typedef long long ll; bool v[100005]; ll count_swaps( vector<ll>s ) { ll n = s.size(); ll tmp; ll ans=0; for(int i = 1 ; i <=2*n ; i++) { if(!v[abs(s[i])]) { v[abs(s[i])]=1; for(int j =i+1 ; j <= 2 * n ;j++) { if(abs(s[i])==abs(s[j])) { for(int k=j-1 ; k>i ;k--) { swap(arr[k],arr[k+1]); ans++; } break; } } } } for(int i = 1 ; i <=2*n ;i++ ) { if(i%2==1&&s[i]>s[i+1]) ans++; } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

shoes.cpp: In function 'll count_swaps(std::vector<long long int>)':
shoes.cpp:22:30: error: 'arr' was not declared in this scope
                         swap(arr[k],arr[k+1]);
                              ^~~
shoes.cpp:9:8: warning: unused variable 'tmp' [-Wunused-variable]
     ll tmp;
        ^~~