Compilare: user.cpp: In function ‘void citire()’: user.cpp:22:66: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(roy[i][j]==roy[i][k]+roy[k][j]&&arbore[i][k]!=0&&arbore[k][j]!=0||roy[i][j]==roy[i][k]+roy[k][j]&&i==k&&arbore[k][j]!=0||roy[i][j]==roy[i][k]+roy[k][j]&&j==k&&arbore[i][k]!=0) ^ user.cpp:22:176: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(roy[i][j]==roy[i][k]+roy[k][j]&&arbore[i][k]!=0&&arbore[k][j]!=0||roy[i][j]==roy[i][k]+roy[k][j]&&i==k&&arbore[k][j]!=0||roy[i][j]==roy[i][k]+roy[k][j]&&j==k&&arbore[i][k]!=0) ^ user.cpp: In function ‘int main()’: user.cpp:41:9: warning: unused variable ‘a’ [-Wunused-variable] int a,b; ^ user.cpp:41:11: warning: unused variable ‘b’ [-Wunused-variable] int a,b; ^