#include<stdio.h>
int main()
{
char string1[100],string2[100];
int i=0,j=0;
printf("enter first string");
gets(string1);
printf("enter second string");
gets(string2);
while(string1[i]!='\0')
{
i++;
}
while(string2[j]!='\0')
{
string1[i]=string2[j];
i++;
j++;
}
string1[i]='\0';
printf("the concatenated string=%s",string1);
return 0;
}
 |
| c program to concatenate two strings without strcat() |
*/
#include<stdio.h>
int main()
{
char string[5][100]={"c program","C++ code","JS code","php code","java code"};
int i,j,count;
for(i=0;i<=4;i++)
{
count=0;
for(j=0;string[i][j]!='\0';j++)
{
count++;
}
printf("the string is %s and its length is %d\n",string[i],count);
}
return 0;
}
 |
| c program to count total letters present in strings |
*/
#include<stdio.h>
int main()
{
int m,n,i,j;
printf("enter m as rows and n as columns\n");
scanf("%d%d",&m,&n);//if m=3 then the loop would run for 0,1,2
int m1[m][n],m2[m][n];
printf("enter elements for first matrix m1\n");
for(i=0;i<=m-1;i++)
{
for(j=0;j<=n-1;j++)
{
printf("enter element for location %d %d\n",i,j);
scanf("%d",&m1[i][j]);
}
}
printf("enter elements for second matrix m2\n");
for(i=0;i<=m-1;i++)
{
for(j=0;j<=n-1;j++)
{
printf("enter element for location %d %d\n",i,j);
scanf("%d",&m2[i][j]);
}
}
printf("the sum of two matrices is:\n");
for(i=0;i<=m-1;i++)
{
for(j=0;j<=n-1;j++)
{
printf("%d",m1[i][j]+m2[i][j]);
}
printf("\n");
}
return 0;
}
 |
| c program to find sum of two matrices |
 |
| C program to copy array elements to another array |
#include<stdio.h>
int main()
{
int a[5];
int b[5];
int i;
for(i=0;i<=4;i++)
{
printf("enter elment for %d location",i+1);
scanf("%d",&a[i]);
}
for(i=0;i<=4;i++)
{
b[i]=a[i];
}
printf("the copied elements are:\n");
for(i=0;i<=4;i++)
{
printf(" %d ",b[i]);
}
return 0;
}
 |
| c program to copy elements to another array |
