제출 #168973

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
168973		pulpy_orange	Arranging Shoes (IOI19_shoes)	C++17	컴파일 에러	0 ms	0 KiB

shoes

#include<bits/stdc++.h>
using namespace std;
#define ll long long

ll count_swaps(vector<ll>S){
     n=S.size();
     ll vis[n];
     memset(vis, 0, sizeof(vis));

     for(ll i=0;i<n;i++){
          if(vis[i])continue;
          ll curr=S[i];
          vis[i]=1;
          if(curr<0){
               for(ll j=i+1;j<n;j++){
                    if(!vis[j] and S[j]>0 and curr==-1*S[j]){
                         vis[j]=1;
                         ans+=(j-1-i);
                         break;
                    }
               }
          }
          else{
               for(ll j=i+1;j<n;j++){
                    if(!vis[j] and S[j]<0 and curr==-1*S[j]){
                         vis[j]=1;
                         ans+=(j-i);
                         break;
                    }
               }
          }
     }
     return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

shoes.cpp: In function 'long long int count_swaps(std::vector<long long int>)':
shoes.cpp:6:6: error: 'n' was not declared in this scope
      n=S.size();
      ^
shoes.cpp:8:13: error: 'vis' was not declared in this scope
      memset(vis, 0, sizeof(vis));
             ^~~
shoes.cpp:18:26: error: 'ans' was not declared in this scope
                          ans+=(j-1-i);
                          ^~~
shoes.cpp:18:26: note: suggested alternative: 'abs'
                          ans+=(j-1-i);
                          ^~~
                          abs
shoes.cpp:27:26: error: 'ans' was not declared in this scope
                          ans+=(j-i);
                          ^~~
shoes.cpp:27:26: note: suggested alternative: 'abs'
                          ans+=(j-i);
                          ^~~
                          abs
shoes.cpp:33:13: error: 'ans' was not declared in this scope
      return ans;
             ^~~
shoes.cpp:33:13: note: suggested alternative: 'abs'
      return ans;
             ^~~
             abs