Logic to print the given number pattern
55555
4444
333
22
1
C Programming Language / Loop control in C Language
2353Program:
/** * C program to print number pattern */ #include int main() { int i, j, N; printf("Enter N: "); scanf("%d", &N); for(i=N; i>=1; i--) { // Logic to print spaces for(j=N; j>i; j--) { printf(" "); } // Logic to print numbers for(j=1; j<=i; j++) { printf("%d", i); } printf("\n"); } return 0; }
Output:
55555 4444 333 22 1
Explanation:
Logic to print the given number pattern
Now, once you got the logic of previous number pattern you can easily get the logic of this pattern. As is it same as pattern 1 just we need to add trailing spaces before the number gets printed. If you point your mouse over the below pattern you can count the number of spaces per row and can easily get the logic in which spaces are printed in the pattern.
55555 4444 333 22 1
Here the spaces are in ascending order i.e. row1 contains 0 spaces, row2 contains 1, row3 contains 2 and so on. Also each row contains current_row_number - 1 spaces. Logic to print spaces inside outer loop is:
- To print spaces inside outer loop, run an inner loop from N to current_row_number. Inside this loop print spaces.
Lets, now implement this on code.
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