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C Program to Print Pascal’s Triangle

Example 9: Pascal’s Triangle

           1
         1   1
       1   2   1
     1   3   3    1
   1  4    6   4   1
 1  5   10   10  5   1

C Program

#include int main() { int rows, coef = 1, space, i, j; printf("Enter the number of rows: "); scanf("%d", &rows); for (i = 0; i < rows; i++) { for (space = 1; space <= rows - i; space++) printf(" "); for (j = 0; j <= i; j++) { if (j == 0 || i == 0) coef = 1; else coef = coef * (i - j + 1) / j; printf("%4d", coef); } printf("\n"); } return 0; }
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