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Write a C Program to print table of number from 1 to 20

C program to print table of numbers from 1 to 20

In this example, we will see a C program through which we can print the table of any number between 1 to 20.

In this program there will be two loops, using parent loop to run from 1 to 20 and child loop to run from 1 to 10 to print table of corresponding number which is coming from parent loop.

Program:


/*C program to print table of numbers from 1 to 20*/
#include <stdio.h>
int main()
{
int i,j;    /*Here, we will use i for outer loop counter and j for inner loop counter*/
int num;
for(i=1; i<=20; i++) /*to print table 1 to 20*/
{
/*each number has 10 multiples*/
num= i;     /*to initialize number with i ( 1 to 20)*/
for(j=1; j<=10; j++)
{
/*values will be padded with 3 spaces*/
printf("%3d\t",(num*j));
}
printf("\n"); /*after printing table of each number*/
}
return 0;
}

Output:

  1	  2	  3	  4	  5	  6	  7	  8	  9	 10	
  2	  4	  6	  8	 10	 12	 14	 16	 18	 20	
  3	  6	  9	 12	 15	 18	 21	 24	 27	 30	
  4	  8	 12	 16	 20	 24	 28	 32	 36	 40	
  5	 10	 15	 20	 25	 30	 35	 40	 45	 50	
  6	 12	 18	 24	 30	 36	 42	 48	 54	 60	
  7	 14	 21	 28	 35	 42	 49	 56	 63	 70	
  8	 16	 24	 32	 40	 48	 56	 64	 72	 80	
  9	 18	 27	 36	 45	 54	 63	 72	 81	 90	
 10	 20	 30	 40	 50	 60	 70	 80	 90	100	
 11	 22	 33	 44	 55	 66	 77	 88	 99	110	
 12	 24	 36	 48	 60	 72	 84	 96	108	120	
 13	 26	 39	 52	 65	 78	 91	104	117	130	
 14	 28	 42	 56	 70	 84	 98	112	126	140	
 15	 30	 45	 60	 75	 90	105	120	135	150	
 16	 32	 48	 64	 80	 96	112	128	144	160	
 17	 34	 51	 68	 85	102	119	136	153	170	
 18	 36	 54	 72	 90	108	126	144	162	180	
 19	 38	 57	 76	 95	114	133	152	171	190	
 20	 40	 60	 80	100	120	140	160	180	200

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