26 lines
372 B
C
26 lines
372 B
C
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#include <stdio.h>
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#include <stdlib.h>
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int main(int argc, char *argv[]) {
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if(argc != 4) {
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return -1;
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}
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int a1 = atoi(argv[1]);
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int q = atoi(argv[2]);
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int n = atoi(argv[3]);
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printf("a1=%d, n=%d,q=%d\n", a1, n, q);
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int i=0;
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int sum = 0;
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int a = a1;
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while (i < n) {
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sum += a;
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a *= q;
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i++;
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}
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printf("sum=%d\n", sum);
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return 0;
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}
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