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This commit is contained in:
yanglbme
2019-08-21 10:10:08 +08:00
parent abc0d365de
commit 69ddc9fc52
101 changed files with 3154 additions and 2984 deletions
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29
Others/fibonacci.cpp
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@@ -6,14 +6,12 @@
//It is a property of fibonacci similar to matrix exponentiation.
#include <iostream>
#include<cstdio>
#include <cstdio>
using namespace std;
const long long MAX = 93;
long long f[MAX] = {0};
long long fib(long long n)
{
@@ -22,26 +20,23 @@ long long fib(long long n)
return 0;
if (n == 1 || n == 2)
return (f[n] = 1);
if (f[n])
return f[n];
long long k = (n%2!=0)? (n+1)/2 : n/2;
f[n] = (n%2!=0)? (fib(k)*fib(k) + fib(k-1)*fib(k-1))
: (2*fib(k-1) + fib(k))*fib(k);
long long k = (n % 2 != 0) ? (n + 1) / 2 : n / 2;
f[n] = (n % 2 != 0) ? (fib(k) * fib(k) + fib(k - 1) * fib(k - 1))
: (2 * fib(k - 1) + fib(k)) * fib(k);
return f[n];
}
int main()
{
//Main Function
for(long long i=1;i<93;i++)
{
cout << i << " th fibonacci number is " << fib(i) << "\n";
}
return 0;
//Main Function
for (long long i = 1; i < 93; i++)
{
cout << i << " th fibonacci number is " << fib(i) << "\n";
}
return 0;
}