1. Write a program in c to display this pattern

*
* *
* * *
* * * *
* * * * * 

        #include <stdio.h>
            main()
            {
                int i,j;
                for(i = 1; i <= 5; i++){
                  for(j = 1; j <= i; j++){
                      printf("*");
                  }
                  printf("\n");
                }	
            }

2. Write a program in c to display this pattern

* * * * *
* * * *
* * *
* *
* 

    #include <stdio.h>
    main()
    {
        int i,j;
        for(i = 5; i >= 1; i--){
          for(j = i; j >= 1; j--){
              printf("*");
          }
          printf("\n");
        }	
    }

3. Write a program in c to display this pattern

1
1 2
1 2 3
1 2 3 4
1 2 3 4 5 

        #include<stdio.h>
        main()
        {
            int i,j;
            for(i = 1; i <= 5; i++){
            for(j = 1; j <= i; j++){
                printf("%d", j);
            }
            printf("\n");
            }	
        }

4. Write a program in c to display this pattern

1 2 3 4 5
1 2 3 4
1 2 3
1 2
1 

    #include <stdio.h>
    main()
    {
        int i,j;
        for(i = 5; i >= 1; i--){
          for(j = 1; j <= i; j++){
              printf("%d", j);
          }
          printf("\n");
        }	
    }

5. Write a program in c to display this pattern

*
* * *
* * * * *
* * * * * * *
* * * * * * * * * 

    #include<stdio.h>
        int main()
        {
        int row, c;
        for ( row = 1 ; row <= 5 ; row++ )
        {
        for ( c = 1 ; c < 5 ; c++ )
        printf(" ");
        for ( c = 1 ; c <= 2*row - 1 ; c++ )
        printf("*");
        printf("\n");
        }
        
        return 0;
        }



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