vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:16:54: warning: narrowing conversion of 'toLine.construct_network(int, int, int)::<lambda(ll, ll)>(i, j)' from 'long long int' to 'int' [-Wnarrowing]
16 | th.push_back(add_and({ toLine(i, j), toLine(i2, j2) }));
| ~~~~~~^~~~~~
vision.cpp:16:54: warning: narrowing conversion of 'toLine.construct_network(int, int, int)::<lambda(ll, ll)>(i, j)' from 'long long int' to 'int' [-Wnarrowing]
vision.cpp:16:68: warning: narrowing conversion of 'toLine.construct_network(int, int, int)::<lambda(ll, ll)>(i2, j2)' from 'long long int' to 'int' [-Wnarrowing]
16 | th.push_back(add_and({ toLine(i, j), toLine(i2, j2) }));
| ~~~~~~^~~~~~~~
vision.cpp:16:68: warning: narrowing conversion of 'toLine.construct_network(int, int, int)::<lambda(ll, ll)>(i2, j2)' from 'long long int' to 'int' [-Wnarrowing]