Compilare: user.cpp: In function ‘void Cerinta()’: user.cpp:28:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (!strchr(a[i][j],':')) ^ user.cpp:23:24: warning: unused variable ‘q1’ [-Wunused-variable] { int i,j; int nr; int q1,q2; int poz; ^ user.cpp:23:27: warning: unused variable ‘q2’ [-Wunused-variable] { int i,j; int nr; int q1,q2; int poz; ^ user.cpp:23:35: warning: unused variable ‘poz’ [-Wunused-variable] { int i,j; int nr; int q1,q2; int poz; ^