Compilare: user.cpp: In function ‘int main()’: user.cpp:11:14: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses] for(i=1;i<=b^2;i++) ^ user.cpp:29:11: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses] for(i=1;i<=k^2;i++) ^ user.cpp:6:12: warning: unused variable ‘c’ [-Wunused-variable] {long long c, a, b, s1[10001], s2[10001],sol=0,i,j; ^ user.cpp:6:15: warning: unused variable ‘a’ [-Wunused-variable] {long long c, a, b, s1[10001], s2[10001],sol=0,i,j; ^