Fibonacci sequence
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#include <iostream>
#include <iomanip>
using namespace std;
int main() {
int i,n=51;
long int a=0,b=1;
for(i=0;i<n;){
cout<<setw(2)<<i++<<" : "<<a<<"\n";
a=a+b; b=a-b;
}
return 0;
}
Cpp
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