21 lines
390 B
C
21 lines
390 B
C
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/*
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* C program to Calculate the Value of nPr
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*/
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#include <stdio.h>
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void main(void)
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{
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printf("%d\n", fact(8));
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int n, r;
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printf("Enter value for n and r\n");
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scanf("%d%d", &n, &r);
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int npr = fact(n) / fact(n - r);
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printf("\n Permutation values is = %d", npr);
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}
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int fact(int x)
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{
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if (x <= 1)
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return 1;
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return x * fact(x - 1);
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}
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