Compilare: user.cpp: In function ‘void tipar(int)’: user.cpp:14:9: warning: unused variable ‘l’ [-Wunused-variable] int l=v[sol[k]].x; ^ user.cpp:15:9: warning: unused variable ‘c’ [-Wunused-variable] int c=v[sol[k]].y; ^ user.cpp:16:9: warning: unused variable ‘i’ [-Wunused-variable] int i=0; ^ user.cpp: In function ‘int main()’: user.cpp:147:22: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin>>s[i]+1; ^