14 lines
197 B
C
14 lines
197 B
C
#include <stdio.h>
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int factorial(int n) {
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if (n <= 1) return 1;
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return n * factorial(n-1);
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}
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int main() {
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int n;
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scanf("%d", &n);
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printf("%d", factorial(n));
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return 0;
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}
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