Compilare: user.cpp: In function ‘int main()’: user.cpp:20:37: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses] d[i][1]=d[i-1][1]+(l[i]^c[1]==0); ~~~~^~~ user.cpp:22:37: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses] d[1][j]=d[1][j-1]+(l[1]^c[j]==0); ~~~~^~~ user.cpp:25:31: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses] d[i][j]=(l[i]^c[j]==0)+d[i-1][j]+d[i][j-1]-d[i-1][j-1]; ~~~~^~~