22 lines
295 B
C++
22 lines
295 B
C++
#include <iostream>
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// Fibonacci numbers
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int main() {
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int x;
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std::cout << "x-th Fibonacci number?: ";
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std::cin >> x;
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int prev = 0;
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int curr = 1;
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int tmp;
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for (int i = 2; i <= x; ++i) {
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tmp = curr;
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curr = prev + curr;
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prev = tmp;
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}
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}
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