Compilare: user.cpp: In function ‘int compute(int, int)’: user.cpp:65:70: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if ( (index & (1 << line))&& (numberOfOnes (index) == nr) && (col & index == index)) { ^ user.cpp:62:15: warning: unused variable ‘j’ [-Wunused-variable] int suma, i, j, k; ^ user.cpp: In function ‘int calculate(int, int)’: user.cpp:88:22: warning: unused variable ‘j’ [-Wunused-variable] int index, suma, i, j, k; ^ user.cpp: In function ‘void dynamiProgramming()’: user.cpp:104:12: warning: unused variable ‘index’ [-Wunused-variable] int i, j, index; ^ user.cpp: In function ‘int main()’: user.cpp:201:9: warning: unused variable ‘i’ [-Wunused-variable] int t, i; ^