function memoizedAddTo80(){
let cache = {};
return function(n){
if(n in cache){
return cache[n];
}
else {
console.log('long time');
cache[n] = n + 80;
return cache[n];
}
}
}
const memoized = memoizedAddTo80();
console.log('1',memoized(85));
console.log('2',memoized(86));
let calculations = 0;
function fibonancci (n){
calculations++;
if(n < 2){
return n;
}
return fibonancci(n-1) + fibonancci(n-2);
}
function FibonacciMaster(){
let cache = {};
return function fib(n){
calculations++;
if(n in cache){
return cache[n];
}
else
{
if(n < 2){
return n;
}
else {
cache [n] = fib(n-1) + fib (n-2);
return cache[n];
}
}
}
}
const fasterFib = FibonacciMaster();
console.log('DP',fasterFib(10));
console.log(calculations);
