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17 lines
340 B
17 lines
340 B
3 years ago
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#include "armstrong_numbers.h"
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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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bool is_armstrong_number(int candidate) {
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char buffer[15];
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sprintf(buffer, "%d", candidate);
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int exponent = strlen(buffer);
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int sum = 0;
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for (int i = 0; i < exponent; i++) {
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sum += pow(buffer[i] - 48, exponent);
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}
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return candidate == sum;
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}
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