30 lines
565 B
C
30 lines
565 B
C
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/*
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* C Program to Find Sum of Numbers given in Command Line Arguments
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* Recursively
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*/
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#include <stdio.h>
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int count, s = 0;
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void sum(int *, int *);
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void main(int argc, char *argv[])
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{
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int i, ar[argc];
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count = argc;
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for (i = 1; i < argc; i++)
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{
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ar[i - 1] = atoi(argv[i]);
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}
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sum(ar, ar + 1);
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printf("%d", s);
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}
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/* computes sum of two numbers recursively */
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void sum(int *a, int * b)
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{
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if (count == 1)
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return;
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s = s + *a + *b;
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count -= 2;
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sum(a + 2, b + 2);
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}
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