18 lines
247 B
JavaScript
18 lines
247 B
JavaScript
|
/**
|
||
|
|
* @param {bigint} n
|
||
|
|
* @param {bigint} x
|
||
|
|
* @param {bigint} y
|
||
|
|
* @returns {bigint}
|
||
|
|
*/
|
||
|
|
function F(n, x, y) {
|
||
|
|
if (n === 0) {
|
||
|
|
return x + y;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (y === 0) {
|
||
|
|
return x;
|
||
|
|
}
|
||
|
|
|
||
|
|
return F(n - 1, F(n, x, y - 1), F(n, x, y - 1) + y);
|
||
|
|
}
|