Compilare: main.cpp: In function 'int cautbin(int, int)': main.cpp:37:9: warning: unused variable 'sol' [-Wunused-variable] int sol=-1,mij,poz; ^~~ main.cpp: In function 'int main()': main.cpp:60:7: warning: unused variable 'j' [-Wunused-variable] int i,j; ^ main.cpp: In function 'int verifica(int)': main.cpp:33:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int cautbin(int, int)': main.cpp:54:12: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] return poz; ^~~