Compilare: user.cpp: In function ‘int main()’: user.cpp:16:67: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while( A[1][j] == '1' || A[1][j] == 'S' || A[1][j] == 'F' && j <= M ){ ^ user.cpp:25:49: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while( A[1][j] == '0' || A[1][j] == 'D' && j <= M ){ ^ user.cpp:31:67: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while( A[1][j] == '1' || A[1][j] == 'S' || A[1][j] == 'F' && j <= M ){ ^