17 lines
175 B
C++
17 lines
175 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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int ret = 1;
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int n;
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scanf("%d", &n);
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for (; n > 1; n--) {
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ret *= n;
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}
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printf("%d\n", ret);
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return 0;
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} |