Compilare: main.cpp: In function 'int arie()': main.cpp:32:9: warning: unused variable 'total_area' [-Wunused-variable] 32 | int total_area = 0, area, minc, left, right; | ^~~~~~~~~~ main.cpp:32:37: warning: variable 'left' set but not used [-Wunused-but-set-variable] 32 | int total_area = 0, area, minc, left, right; | ^~~~ main.cpp:32:43: warning: unused variable 'right' [-Wunused-variable] 32 | int total_area = 0, area, minc, left, right; | ^~~~~ main.cpp:134:1: warning: no return statement in function returning non-void [-Wreturn-type] 134 | } | ^