Compilare: main.cpp: In function 'void solve1()': main.cpp:68:37: warning: 'y2' may be used uninitialized [-Wmaybe-uninitialized] 68 | out<<x1<<" "<<y1<<" "<<x2<<" "<<y2; | ^~ main.cpp:38:21: note: 'y2' was declared here 38 | int x1, y1, x2, y2; | ^~ main.cpp:68:32: warning: 'x2' may be used uninitialized [-Wmaybe-uninitialized] 68 | out<<x1<<" "<<y1<<" "<<x2<<" "<<y2; | ^~~ main.cpp:38:17: note: 'x2' was declared here 38 | int x1, y1, x2, y2; | ^~ main.cpp:68:23: warning: 'y1' may be used uninitialized [-Wmaybe-uninitialized] 68 | out<<x1<<" "<<y1<<" "<<x2<<" "<<y2; | ^~~ main.cpp:38:13: note: 'y1' was declared here 38 | int x1, y1, x2, y2; | ^~ main.cpp:68:14: warning: 'x1' may be used uninitialized [-Wmaybe-uninitialized] 68 | out<<x1<<" "<<y1<<" "<<x2<<" "<<y2; | ^~~ main.cpp:38:9: note: 'x1' was declared here 38 | int x1, y1, x2, y2; | ^~