Compilare: user.cpp: In function ‘void ve(int, int)’: user.cpp:41:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(lnou>=1&&lnou<=n&&cnou<=m&&cnou>=1) ^ user.cpp:34:13: warning: unused variable ‘ln’ [-Wunused-variable] int k=0,ln=0,cn=0; ^ user.cpp:34:18: warning: unused variable ‘cn’ [-Wunused-variable] int k=0,ln=0,cn=0; ^ user.cpp: In function ‘int main()’: user.cpp:173:9: warning: unused variable ‘poz’ [-Wunused-variable] int poz=1,p; ^ user.cpp:173:15: warning: unused variable ‘p’ [-Wunused-variable] int poz=1,p; ^