Compilare: main.cpp: In function 'int main()': main.cpp:103:18: warning: 'col' may be used uninitialized [-Wmaybe-uninitialized] 103 | sol[nr].y=col; | ~~~~~~~~~^~~~ main.cpp:87:17: note: 'col' was declared here 87 | int lin,col; | ^~~ main.cpp:102:18: warning: 'lin' may be used uninitialized [-Wmaybe-uninitialized] 102 | sol[nr].x=lin; | ~~~~~~~~~^~~~ main.cpp:87:13: note: 'lin' was declared here 87 | int lin,col; | ^~~