Compilare: main.cpp: In function 'int main()': main.cpp:103:17: warning: unused variable 'x_int' [-Wunused-variable] 103 | int x_int = xegal, x_int2 = xegal; | ^~~~~ main.cpp:85:21: warning: 'sign' may be used uninitialized [-Wmaybe-uninitialized] 85 | num = num*sign; | ~~~~^~~~~~~~~~ main.cpp:78:21: note: 'sign' was declared here 78 | int sign; | ^~~~ main.cpp:51:22: warning: 'sign' may be used uninitialized [-Wmaybe-uninitialized] 51 | numx = numx*sign; | ~~~~~^~~~~~~~~~~ main.cpp:44:21: note: 'sign' was declared here 44 | int sign; // 1 = +; -1 = -; | ^~~~