when i m running this program i always get invalid password...........Code:#include<iostream.h> #include<conio.h> #include<string.h> void main() { clrscr(); char a[]="soft",b[4]; int i,n; for(i=0;a[i]!=NULL;i++) { b[i]=getch(); cout<<"*"; } n=strcmp(b,a); if (n==0) cout<<"Welcome"; else cout<<"Invalid Password"; getch(); }