C – Right Traiangle Patterns

int main ()
{
            int i, j;
            for (i=1 ; i<=5 ; i++){
                        for (j=1 ; j<=i ; j++){
                                    printf(“%d”, i);
                        }
                        printf(“\n”);
            }
    return 0;
}
1
22
333
4444
55555
int main ()
{
            int i, j;
            for (i=1 ; i<=5 ; i++){
                        for (j=1 ; j<=i ; j++){
                                    printf(“%d”, j);
                        }
                        printf(“\n”);
            }
    return 0;
}
1
12
123
1234
12345
int main ()
{
            int i, j;
            for (i=1 ; i<=5 ; i++){
                        for (j=i ; j>=1 ; j–){
                                    printf(“%d”, j);
                        }
                        printf(“\n”);
            }
    return 0;
}
1
21
321
4321
54321
int main ()
{
            int i, j;
            for (i=5 ; i>=1 ; i–){
                        for (j=5; j>=i ; j–){
                                    printf(“%d”, j);
                        }
                        printf(“\n”);
            }
    return 0;
}
5
54
543
5432
54321
int main ()
{
            int i, j;
            for (i=5 ; i>=1 ; i–){
                        for (j=i; j<=5 ; j++){
                                    printf(“%d”, j);
                        }
                        printf(“\n”);
            }
    return 0;
}
5
45
345
2345
12345
#include<stdio.h>
int main ()
{
            int i, j, k=1;
            for (i=1 ; i<=5 ; i++){
                        for (j=1; j<=i ; j++){
                                    printf(“%d”, k++);
                                    if(k>9)
                                                k=1;
                        }
                        printf(“\n”);
            }
    return 0;
}
1
23
456
7891
23456
int main ()
{
            char i, j;
            for (i=’A’ ; i<=’E’ ; i++)
            {
                        for (j=’A’ ; j<=i ; j++)
                        {
                                    printf(“%d”, j);
                        }
                        printf(“\n”);
            }
    return 0;
}
A
AB
ABC
ABCD
ABCDE
int main ()
{
            int i, j, k=1;
            for (int i=1 ; i<=5 ; i++){
                        for (j=1; j<=i ; j++){
                                    printf(“%d”, k++%2);
                        }
                        printf(“\n”);
            }
    return 0;
}
1
01
010
1010
10101
int main ()
{
            int i, j;
            for (i=1 ; i<=5 ; i++){
                        for (j=1; j<=i ; j++){
                                    printf(“%d”, i%2);
                        }
                        printf(“\n”);
            }
    return 0;
}
1
00
111
0000
11111
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