A
B B
C C C
D D D D
E E E E E
#include <stdio.h>
int main()
{
int i, j;
char input, alphabet = 'A';
printf("Enter the uppercase character you want to print
in last row: ");
scanf("%c",&input);
for(i=1; i <= (input-'A'+1); ++i)
{
for(j=1;j<=i;++j)
{
printf("%c", alphabet);
}
++alphabet;
printf("\n");
}
return 0;
}
* * *
* * * * *
* * * * * * *
* * * * * * * * *
#include <stdio.h>
int main()
{
int i, space, rows, k=0;
printf("Enter number of rows: ");
scanf("%d",&rows);
for(i=1; i<=rows; ++i, k=0)
{
for(space=1; space<=rows-i; ++space)
{
printf(" ");
}
while(k != 2*i-1)
{
printf("* ");
++k;
}
printf("\n");
}
return 0;
}
2 3 2
3 4 5 4 3
4 5 6 7 6 5 4
5 6 7 8 9 8 7 6 5
#include <stdio.h>
int main()
{
int i, space, rows, k=0, count = 0, count1 = 0;
printf("Enter number of rows: ");
scanf("%d",&rows);
for(i=1; i<=rows; ++i)
{
for(space=1; space <= rows-i; ++space)
{
printf(" ");
++count;
}
while(k != 2*i-1)
{
if (count <= rows-1)
{
printf("%d ", i+k);
++count;
}
else
{
++count1;
printf("%d ", (i+k-2*count1));
}
++k;
}
count1 = count = k = 0;
printf("\n");
}
return 0;
}
* * * * * * * * *
* * * * * * *
* * * * *
* * *
#include<stdio.h>
int main()
{
int rows, i, j, space;
printf("Enter number of rows: ");
scanf("%d",&rows);
for(i=rows; i>=1; --i)
{
for(space=0; space < rows-i; ++space)
printf(" ");
for(j=i; j <= 2*i-1; ++j)
printf("* ");
for(j=0; j < i-1; ++j)
printf("* ");
printf("\n");
}
return 0;
}
Print Pascal's triangle
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
#include <stdio.h>
int main()
{
int rows, coef = 1, space, i, j;
printf("Enter number of rows: ");
scanf("%d",&rows);
for(i=0; i<rows; i++)
{
for(space=1; space <= rows-i; space++)
printf(" ");
for(j=0; j <= i; j++)
{
if (j==0 || i==0)
coef = 1;
else
coef = coef*(i-j+1)/j;
printf("%4d", coef);
}
printf("\n");
}
return 0;
}
#include<stdio.h>
#include<conio.h>
void main()
{
int n, c, k, space;
clrscr();
scanf("%d", &n);
space = 0;
for ( k = n ; k >= 1 ; k-- )
{
for ( c = 1 ; c <= space ; c++ )
printf(" ");
space++;
for ( c = 1 ; c <= k ; c++)
printf("%d", c);
printf("\n");
}
getch();
}
12345
1234
123
12
1
7 8 9 10
456
23
1
#include<stdio.h>
#include<conio.h>
void main()
{
int i,j,k;
i=7;
for(j=3;j>=0;j--)
{
for(k=0;k<=j;k++)
{
printf("%d ",(i+k));
}
i=i-j;
printf("\n");
}
getch();
}
#include <stdio.h>
int main()
{
int n, c, k, space = 1;
printf("Enter number of rows\n");
scanf("%d", &n);
space = n - 1;
for (k = 1; k <= n; k++)
{
for (c = 1; c <= space; c++)
printf(" ");
space--;
for (c = 1; c <= 2*k-1; c++)
printf("*");
printf("\n");
}
space = 1;
for (k = 1; k <= n - 1; k++)
{
for (c = 1; c <= space; c++)
printf(" ");
space++;
for (c = 1 ; c <= 2*(n-k)-1; c++)
printf("*");
printf("\n");
}
return 0;
}
C
CO
COM
COMP
COMPU
COMPUT
COMPUTE
COMPUTER
#include<iostream.h>
#include<conio.h>
#include<string.h>
#include<stdio.h>
void main()
{
clrscr();
char str[80];
cout<<"Enter any word (Eg : COMPUTER) : ";
gets(str);
int i,j,l;
l = strlen(str);
for(i=0; i<l; i++)
{
for(j=0; j<=i; j++)
{
cout<<str[j];
}
cout<<endl;
}
getch();
}
11111
01111
00111
00011
00001
#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int n,i,j;
cout<<"Enter number of rows : ";
cin>>n;
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
if(j<i)
cout<<"0";
else
cout<<"1";
}
cout<<endl;
}
getch();
}
13579
1357
135
13
11
3
135
1357
13579
#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int n,i,j;
cout<<"Enter the number of rows : ";
cin>>n;
for(i=n;i>=1;i--)
{
for(j=1;j<=i*2;j=j+2)
{
cout<<j<<" ";
}
cout<<"\n";
}
for(i=2;i<=n;i++)
{
for(j=1;j<=i*2;j=j+2)
{
cout<<j<<" ";
}
cout<<"\n";
}
getch();
}
