C program to accept the line from user, delete all the occurrences of word ‘the' from the line and display the result.

Write a ‘C’ program to accept the line from user, delete all the occurrences of word ‘the’ from the line and display the result.

#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()
{
char name[10],res[10];
int l,i,j=0;
clrscr();
printf("enter the string");
gets(name);
l=strlen(name);
for(i=0;i<l;i++)
{
if((name[i]=='t')&&(name[i+1]=='h')&&(name[i+2]=='e'))
{
name[i]=' ';
name[i+1]=' ';
name[i+2]=' ';
}
}
for(i=0;i<l;i++)
{
if(name[i]!=' ')
{
res[j]=name[i];
j++;
}
}
for(i=0;i<j;i++)
{
printf("%c",res[i]);
}
getch();
}

C program to calculate sum of elements of lower triangle of a n*n matrix.

Write a ‘C’ program to calculate sum of elements of lower triangle of a n*n matrix.

#include<stdio.h>
#include<conio.h>
void main()
{
int a[3][3],i,j,sum=0;
clrscr();
printf("enter the matrix element");
for(i=0;i<=2;i++)
{
for(j=0;j<=2;j++)
{
scanf("%d",&a[i][j]);
}
}
for(i=0;i<=2;i++)
{
for(j=0;j<=2;j++)
{
if(i>j)
{
sum=sum+a[i][j];
}
}
}
printf("%d\n",sum);
getch();
}