vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:13:16: error: 'add_or' was not declared in this scope
13 | bool d=add_or(a);
| ^~~~~~
vision.cpp:15:16: error: 'add_not' was not declared in this scope
15 | if(add_not(m)==0){
| ^~~~~~~
vision.cpp:33:16: error: 'add_not' was not declared in this scope
33 | if(add_not(i)==0){
| ^~~~~~~
vision.cpp:35:17: error: 'add_or' was not declared in this scope
35 | add_or(k);
| ^~~~~~
vision.cpp:40:5: error: 'add_not' was not declared in this scope
40 | add_not(m);
| ^~~~~~~