Answer / guest

void main()
{
int sum=0,mul=1,s=0,m=1,i,t,nn,j=1;
clrscr();

printf("Enter number without '0' as its digit
\n");
scanf("%d",&nn);

while(nn>0)
{
sum=sum+(nn%10);
mul=mul*(nn%10);
nn=nn/10;
j=j*10;
}

printf("j %d sum %d mul %d",j,sum,mul);


for(i=j/10;i<j;i++)
{ t=i;
while(t>0)
{
s=s+(t%10);
m=m*(t%10);
t=t/10;
}
if(s==sum && mul==m)
printf("\n%d",i);
s=0;
m=1;
}

getch();

}

int swap(int *a,int *b) { *a=*a+*b;*b=*a-*b;*a=*a-*b; } main() { int x=10,y=20; swap(&x,&y); printf("x= %d y = %d\n",x,y); }

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Sir... please give some important coding questions asked by product companies..

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