LeetCode 633 Sum of Square Numbers All In One

LeetCode 633 Sum of Square Numbers All In One

633. Sum of Square Numbers

solutions

Math.sqrt / 平方根

function judgeSquareSum(c: number): boolean {let max = Math.trunc(Math.sqrt(c));for (let i = 0; i <= max; i++) {// const rest = Math.sqrt(c - Math.pow(i, 2));const rest = Math.sqrt(c - (i ** 2));if (rest === Math.trunc(rest)) {return true;}}return false;
};

function judgeSquareSum(c: number): boolean {// 双指针let i = 0;let j = Math.ceil(Math.sqrt(c));while(i <= j) {let sum = i**2 + j**2;if(sum < c){i++;} else if (sum > c) {j--;// } else if (sum === c) {} else {return true;}}return false;
}

https://leetcode.com/problems/sum-of-square-numbers/description/?envType=daily-question&envId=2024-06-16

demos

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