Compilare: user.cpp: In function ‘void make_p(char*, int*, int)’: user.cpp:12:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,k=0; ^ user.cpp: In function ‘int main()’: user.cpp:36:17: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] f>>b+1>>a+1>>c+1; ^ user.cpp:36:22: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] f>>b+1>>a+1>>c+1; ^ user.cpp:36:27: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] f>>b+1>>a+1>>c+1; ^ user.cpp:76:20: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (apar1[i]) ^ user.cpp:27:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,k,L; ^