1. Write a program that prints the following text at the terminal.
- In C, lowercase letters are significant.
- main is where program execution begins.
- Opening and closing braces enclose program statements in a routine.
- All program statements must be terminated by a semicolon.
Answer
#include <stdio.h>
int main()
{
printf("In C, lowercase letters are significant.\n");
printf("main is where program execution begins.\n");
printf("Opening and closing braces enclose program statements in a routine.\n");
printf("All program statements must be terminated by a semicolon.\n");
return 0;
}
2.i)
*
**
***
****
*****
******
Answer
#include<stdio.h>
int main()
{
int i,j;
for(i=1;i<=6;i++)
{
for(j=1;j<=i;j++)
{
printf("* ");
}
printf("\n");
}
return 0;
}
ii)
* * * * * * *
* * * * * * *
* * * * * * *
* * * * * * *
* * * * * * *
Answer
#include<stdio.h>
int main()
{
int i,j;
for(i=1;i<=5;i++)
{
for(j=1;j<=7;j++)
{
printf("* ");
}
printf("\n");
}
return 0;
}
iii)
* * * * * *
* * * * *
* * * *
* * *
* *
*
Answer
#include<stdio.h>
int main()
{
int i,j;
for(i=1;i<=6;i++)
{
for(j=1;j<=7;j++)
{
printf("* ");
}
printf("\n");
}
return 0;
}
iv)
* * * * * *
* * * * *
* * * *
* * *
* *
*
Answer
#include<stdio.h>
int main()
{
int i,s,j;
for(i=1;i<=6;i++)
{
for(s=0;s<=i;s++)
{
printf(" ");
}
for(j=6;j>=i;j--)
{
printf("* ");
}
printf("\n");
}
return 0;
}
v)
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
Answer
#include<stdio.h>
int main()
{
int i,j;
for(i=1;i<=5;i++)
{
for(j=1;j<=i;j++)
{
printf("%d ",j)
}
printf("\n");
}
return 0;
}
3. #include <stdio.h>
int main (void)
{
printf ("Testing...");
printf ("....1");
printf ("...2");
printf ("..3");
printf ("\n");
return 0;
}
Answer
Testing.......1...2..3
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