Pyramid Patterns in C
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1 Left-aligned Pyramid Pattern
This pattern is a left-aligned triangle where each row contains an increasing number of asterisks.
Program for left-aligned pyramid pattern in C
// Program for left-aligned pyramid pattern in C #include<stdio.h>int main() { int rows, i, j; printf("Enter number of rows: "); scanf("%d", &rows); for(i = 1; i <= rows; i++) { for(j = 1; j <= i; j++) { printf("* "); } printf("\n"); } return 0; }
Output:
Enter number of rows: 4
* * * * * * * * * *
2 Right-aligned Pyramid Pattern
This pattern is a right-aligned triangle where each row contains an increasing number of asterisks.
Program for Right-aligned pyramid pattern in C
// Program for Right-aligned pyramid pattern in C #include<stdio.h>int main() { int rows, i, j, space; printf("Enter number of rows: "); scanf("%d", &rows); for(i = 1; i <= rows; i++) { for(space = 1; space <= rows - i; space++) { printf(" "); } for(j = 1; j <= i; j++) { printf("* "); } printf("\n"); } return 0; }
Output:
Enter number of rows: 5
* * * * * * * * * * * * * * *
3 Inverted Pyramid Pattern
This pattern is an upside-down triangle where each row contains a decreasing number of asterisks.
Program for Inverted pyramid Pattern in C
// Program for Inverted pyramid Pattern in C #include<stdio.h>int main() { int rows, i, j, space; printf("Enter number of rows: "); scanf("%d", &rows); for(i = rows; i >= 1; i--) { for(space = 0; space < rows - i; space++) { printf(" "); } for(j = 1; j <= 2 * i - 1; j++) { printf("* "); } printf("\n"); } return 0; }
Output:
Enter number of rows: 5
* * * * * * * * * * * * * * * * * * * * * * * * *
4 Hollow Pyramid Pattern
This pattern is a solid pyramid with spaces in the middle, creating a hollow effect.
Program for Hollow pyramid pattern in C
#include<stdio.h>int main() { int rows, i, j, space; printf("Enter number of rows: "); scanf("%d", &rows); for(i = 1; i <= rows; i++) { for(space = 1; space <= rows - i; space++) { printf(" "); } for(j = 1; j <= 2 * i - 1; j++) { if(j == 1 || j == 2 * i - 1 || i == rows) printf("* "); else printf(" "); } printf("\n"); } return 0; }
Output:
Enter number of rows: 5
* * * * * * * * * * * * * * * *
You can try out these patterns and even modify the programs to create more variations or customize the patterns further.
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