Submission #104694

#	Time	Username	Problem	Language	Result	Execution time	Memory
104694		promota	Wiring (IOI17_wiring)	C++14	Compilation error	0 ms	0 KiB

wiring

#include<bits/stdc++.h>
long long min_total_length(std::vector<int> r,std::vector<int> b){
    long long minLen=0;
    if(b.size()<=r.size()){
      int k=r.size()-b.size();
      for(int i=0;i<b.size();i++){
        minLen += arr[i]-arr[r.size()-i-1];
      }
      for(int i=0;i<k;i++)
        minLen += b[0]-r[i];
    }
    else{
      int k=b.size()-r.size();
      for(int i=0;i<r.size();i++){
        minLen += arr[i]-arr[r.size()-i-1];
      }
      for(int i=r.size();i<b.size();i++)
        minLen += b[i]-r[r.size()-1];
    }
    return minLen;
}

Compilation message (stderr)

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:6:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       for(int i=0;i<b.size();i++){
                   ~^~~~~~~~~
wiring.cpp:7:19: error: 'arr' was not declared in this scope
         minLen += arr[i]-arr[r.size()-i-1];
                   ^~~
wiring.cpp:14:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       for(int i=0;i<r.size();i++){
                   ~^~~~~~~~~
wiring.cpp:15:19: error: 'arr' was not declared in this scope
         minLen += arr[i]-arr[r.size()-i-1];
                   ^~~
wiring.cpp:17:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       for(int i=r.size();i<b.size();i++)
                          ~^~~~~~~~~
wiring.cpp:13:11: warning: unused variable 'k' [-Wunused-variable]
       int k=b.size()-r.size();
           ^