21 lines
321 B
C
21 lines
321 B
C
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#include "trap.h"
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int f[15];
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int ans[] = {1, 1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800, 39916800, 479001600};
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int fact(int n) {
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if(n == 0 || n == 1) return 1;
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else return fact(n - 1) * n;
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}
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int main() {
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int i;
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for(i = 0; i < 13; i ++) {
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f[i] = fact(i);
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nemu_assert(f[i] == ans[i]);
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}
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return 0;
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}
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