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();
^