C Program to Print Consecutive Column Numbers in Right Triangle

Write a C program to print consecutive column numbers in right triangle pattern using for loop.

#include <stdio.h>

int main()
{
    int i, j, rows, k = 1;
    
    printf("Enter Right Triangle Consecutive Col Nums Pattern Rows = ");
    scanf("%d",&rows);

    printf("Consecutive Numbers in Right Triangle Column Pattern\n"); 
    
	for (i = 1; i <= rows; i++ ) 
	{
		for (j = 1 ; j <= i; j++ ) 	
		{
			printf("%d ", k++);
		}
		printf("\n");
	}

    return 0;
}
C Program to Print Consecutive Column Numbers in Right Triangle

This C example prints the right angled triangle pattern of consecutive column numbers using a while loop.

#include <stdio.h>

int main()
{
    int i = 1, j, rows, k = 1;
    
    printf("Enter Right Triangle Consecutive Col Nums Pattern Rows = ");
    scanf("%d",&rows);

    printf("Consecutive Numbers in Right Triangle Column Pattern\n"); 
    
	while (i <= rows ) 
	{
		j = 1 ;
		while( j <= i) 	
		{
			printf("%d ", k++);
			j++;
		}
		printf("\n");
		i++;
	}

    return 0;
}
Enter Right Triangle Consecutive Col Nums Pattern Rows = 12
Consecutive Numbers in Right Triangle Column Pattern
1 
2 3 
4 5 6 
7 8 9 10 
11 12 13 14 15 
16 17 18 19 20 21 
22 23 24 25 26 27 28 
29 30 31 32 33 34 35 36 
37 38 39 40 41 42 43 44 45 
46 47 48 49 50 51 52 53 54 55 
56 57 58 59 60 61 62 63 64 65 66 
67 68 69 70 71 72 73 74 75 76 77 78

C Program to display consecutive column numbers in the right angled triangle using a do while loop.

#include <stdio.h>

int main()
{
    int i = 1, j, rows, k = 1;
    
    printf("Enter Right Triangle Consecutive Col Nums Pattern Rows = ");
    scanf("%d",&rows);

    printf("Consecutive Numbers in Right Triangle Column Pattern\n"); 
    
	do
	{
		j = 1 ;
		do	
		{
			printf("%d ", k++);

		} while( ++j <= i);
		printf("\n");

	} while (++i <= rows );

    return 0;
}
Enter Right Triangle Consecutive Col Nums Pattern Rows = 17
Consecutive Numbers in Right Triangle Column Pattern
1 
2 3 
4 5 6 
7 8 9 10 
11 12 13 14 15 
16 17 18 19 20 21 
22 23 24 25 26 27 28 
29 30 31 32 33 34 35 36 
37 38 39 40 41 42 43 44 45 
46 47 48 49 50 51 52 53 54 55 
56 57 58 59 60 61 62 63 64 65 66 
67 68 69 70 71 72 73 74 75 76 77 78 
79 80 81 82 83 84 85 86 87 88 89 90 91 
92 93 94 95 96 97 98 99 100 101 102 103 104 105 
106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 
121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 
137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153