Answer / sachin

1.#include<stdio.h>
int main()
{
int a[10]={222,111,4,5,6,8,1,77,0,4};
int i=0,max=0,sec_max=0;

for(i=0;i<10;i++)
{
if(a[i]>max)
{
sec_max=max;
max=a[i];
}
else if(a[i]>sec_max)
{
sec_max=a[i];
}


}

printf("Max= %d Second Max=%d",max,sec_max);

}

Answer / steven le

1. Selection sort with second pass
2. Basically we create a two dimension array (key, value)
and then we define a hash function to determine position of
elements when we insert/delete.
3. When two elements insert to the same spot in a hash
table, we have a hash collision. H(x1) = H(x2) = y

Answer / abdur rab

#include <stdio.h>

int main ( int argc, char* argv[] )
{

int* array_int, nTotalCount = 10, sbig, big, i;
printf ( "\n/********************** Second Biggest
Number ********************/" );
array_int = ( int* ) malloc ( nTotalCount * sizeof
( int ) );

for ( i = 0; i < nTotalCount; i++ )
array_int [i] = rand() % 100;

printf( "\nThe Numbers in given order" );
for ( i = 0; i < nTotalCount; i++ )
printf ( "\t%d", array_int [i] );

for ( i = 0; i < nTotalCount; i++ )
{
switch ( i )
{
case 0:
sbig = big = array_int [i];
break;
default:
if ( big < array_int [i] ) {
sbig = big;
big = array_int [i];
} else {
if ( sbig <
array_int [i] ) sbig = array_int [i] ;
}
break;
}
}
printf ( "\n sbig :%d big :%d", sbig, big );

free ( array_int );
}


For hashtable please refer the following link
http://www.geocities.com/abdur_rab7/Open_Hash/openhash.html

Answer / dishant srivastava

void max_two(unsigned char A[], unsigned char Size,
unsigned char *first, unsigned char *second)
{
unsigned char i;
*first = A[0];

for(i = 1; i < Size; i++)
{
if(*first <= A[i])
{
*second = *first;
*first = A[i];
}
}
}

Answer / shanthi

#include<stdio.h>

int main()
{
int array[5]={2,3,4,6,5};
int max=a[0];
int sec=a[1];
for(i=0;i<5;i++)
{
if(a[i]>max)
max=a[i];
}

for(i=0;i<5;i++)
{
if((a[i]>sec )&&(a[i]<max))
{
sec=a[i];
}
}
printf("%d %d",max,sec);
}

Answer / rao

#include<stdio.h>

int main()
{
int arr[] = {2,3,20,7,8,1};
int max, sec;
int i;
max=0;
sec=0;
for ( i=0; i< 6; i++)
{
if(arr[i] > max)
max = arr[i];
}

for ( i=0; i< 6; i++)
{
if ( (arr[i] > sec) && (arr[i] < max))
sec = arr[i];
}
printf(" max=%d\n sec=%d\n", max, sec);
}

Answer / shanthi

2.

hash table is a table with one row with 10 columns say.
now to create hash table

struct phonerec
{
char name;
int phoneno;
};

struct node
{
struct phonerec r;
struct node *pnext;
};

struct node *hash[10];

int hashfun(int phoneno)
{
return phone%10;

}

int add(struct phonerec *pr);
{
struct node *pn;
pn = malloc(sizeof(*pn));
pn->r=*pr;
int hix=hashfun(pr->phoneno);
pn->pnext=hasharray[hix];
hasharray[hix]=pn;
return SUCCESS;
}

Answer / jaypal rajput

//find second maximum number in given array.
#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int a[5];
int max=0,secmax=0,i;
cout<<"Enter element";
for(i=0;i<=4;i++)
{
cin>>a[i];
}
for(i=0;i<=4;i++)
{
if(a[i]>max)
{
secmax=max;
max=a[i];
}
if(a[i]>secmax&&a[i]<max)
{
secmax=a[i];
}
}
cout<<"The max element is="<<max;
cout<<"the sec max is="<<secmax;
getch();
}

Answer / vignesh1988i

#include<stdio.h>
#include<conio.h>
void soft(int *,int *);
void main()
{
int a[30],n;
printf("enter the number of elements going to enter :");
scanf("%d",&n);
for(int i=0;i<n;i++)
scanf("%d",a[i]);
soft(a);
printf("the second maximum in the given array is :");
getch();
}
void soft(int *a,int *n);
{
int temp;
for(int i=0;i<(*n);i++)
{
for(j=0;j<(*n);j++)
{
if(a[j+1]<a[j])
{
temp=a[j+1];
a[j+1]=a[j];
a[j]=temp;
}
}
}
printf("%d",a[n-1]);
}

sorry i dont know the concept of hash table!!!!!!!!!!!!!!!

what would be the output of the following program main() { int a[] = {1,2,3,4,5}; int *ptr = {a,a+1,a+2,a+3,a+4}; printf("%d %d %d %d",a,*ptr,**ptr,ptr); } }

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