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16 lines
340 B
16 lines
340 B
#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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