vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:17:25: error: 'k' was not declared in this scope
17 | for(int r=0;r<=k;r++){
| ^
vision.cpp:19:29: error: 'n' was not declared in this scope
19 | if(c(i+r,j+rem,n,m)){
| ^
vision.cpp:19:31: error: 'm' was not declared in this scope
19 | if(c(i+r,j+rem,n,m)){
| ^
vision.cpp:24:29: error: 'n' was not declared in this scope
24 | if(c(i-r,j+rem,n,m)){
| ^
vision.cpp:24:31: error: 'm' was not declared in this scope
24 | if(c(i-r,j+rem,n,m)){
| ^
vision.cpp:29:29: error: 'n' was not declared in this scope
29 | if(c(i+r,j-rem,n,m)){
| ^
vision.cpp:29:31: error: 'm' was not declared in this scope
29 | if(c(i+r,j-rem,n,m)){
| ^
vision.cpp:34:29: error: 'n' was not declared in this scope
34 | if(c(i-r,j-rem,n,m)){
| ^
vision.cpp:34:31: error: 'm' was not declared in this scope
34 | if(c(i-r,j-rem,n,m)){
| ^
vision.cpp:43:6: warning: unused variable 'f' [-Wunused-variable]
43 | int f = add_or(indexes);
| ^