28 lines
306 B
C++
28 lines
306 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int fabonacci(int n);
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int main(void) {
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int n;
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scanf("%d", &n);
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printf("%d\n", fabonacci(n));
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return 0;
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}
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int fabonacci(int n) {
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int ret;
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if (n == 0 || n == 1) {
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ret = n;
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}
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else {
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ret = fabonacci(n - 1) + fabonacci(n - 2);
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}
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return ret;
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} |