53. WAP to understand for loop

 #include<stdio.h>

void main()

{

        int part;

        printf("Program to understand for loop\n");

        printf("Enter part number : ");

        scanf("%d",&part);

        switch(part)

        {

                case 1:;

                int i1;

                for(i1=0;i1<5;i1++)

                        printf("Hello\n");

                break;

 

                case 2:;

                int i2;

                printf("Hello...%d\n",i2);

                for(i2=0;i2<3;i2++)

                        printf("Hi....%d\n",i2);

                printf("Bye....%d\n",i2);

                break;

 

                case 3:;

                int i3;

                for(i3=0;i3<3;i3++);

                printf("i = %d\n",i3);

                break;

 

                case 4:;

                int i4=0;

                for( ;i4<3;i4++)

                        printf("%d\n",i4);

                break;

 

                case 5:;

                int i5;

                for(i5=0; ;i5++)

                        printf("%d\n",i5);

                break;

 

                case 6:;

                int i6;

                for(i6=0;i6<3; )

                        printf("%d\n",i6);

                break;

 

                case 7:;

                unsigned int i7;

                for(i7=2;i7>=0;i7--)

                        printf("%d\n",i7);

                break;

 

                case 8:;

                int a,b;

                //for(a=0,b=4;a<b;a++,b--)

                for(a=0,b=4;a<b,a>b;a++,b--)

                        printf("a=%d b=%d\n",a,b);

                break;

        }

}