17 lines
305 B
C++
17 lines
305 B
C++
#include <bits/stdc++.h>
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using namespace std;
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const int N = 210;
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long long a[N];
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long long fib(int n) {
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if (n == 1) return 1;
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if (n == 2) return 1;
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if (a[n]) return a[n];
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return a[n] = fib(n - 1) + fib(n - 2);
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}
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int main() {
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printf("%lld", fib(100));
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return 0;
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} |