11) Write a program to displays Floyd's triangle output using while and for control statements.

Program:

Shown below is a Floyd’s triangle.
1
2 3
4 5 6
7 8 9 10
11 15
….
……
79 91.
Write  a program to print this triangle.

source file name: Floydtr.C

void main()

{

int n,le,ln;

clrscr();

printf("Floyd's Triangle output: \n");

n=1;

ln=1;

while(ln<=15)

{

for(le=1;le<=ln;le++)

{

printf(" %d", n);

n++;

}

printf("\n");

ln++;

}

getch();

}

output: