Fibbonachi
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#include <iostream>
using namespace std;
int main() {
int a=0,a1=0,a2=0,n;
cin>>n;
for(int i=0;i<=n;i++){
if(i<=1) a=i;
else a=a1+a2;
a2=a1;
a1=a;
}
cout<<a;
return 0;
}
Cpp
INFO