Program to print Fibonacci series up to 100. #include #include void main() { int a=1,b=1,c=0,i; clrscr(); printf("%d\t%d\t",a,b); for(i=0;i<=10;i++) { c=a+b; if(c<100) { printf("%d\t",c); } a=b; b=c; } getch(); } Output: 1 1 2 3 5 8 13 21 34 55 89