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Copy path523.连续的子数组和.js
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523.连续的子数组和.js
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/*
* @lc app=leetcode.cn id=523 lang=javascript
*
* [523] 连续的子数组和
*/
// @lc code=start
/**
* @param {number[]} nums
* @param {number} k
* @return {boolean}
*/
var checkSubarraySum = function (nums, k) {
// let dp = [];
if (nums.length < 2) {
return false;
}
let length = nums.length;
// for (let i = 0; i < nums.length; i++) {
// let value = nums[i];
// dp[i * length + i] = value;
// }
for (let i = 1; i < length; i++) {
let pre = nums[i];
for (let j = i - 1; j > -1; j--) {
pre += nums[j];
if (pre % k === 0 || pre === k) {
return true;
}
// // let value1 = dp[i * length + j] + nums[j];
// let value1 = dp[i * length + j + 1] + nums[j];
// // let value2 = dp[(i - 1) * length + j] + nums[i];
// if (value1 % k === 0 || value1 === k) {
// return true;
// } /* else if (value2 % k === 0) {
// return true
// } */ else {
// dp[i * length + j] = value1;
// }
}
}
return false;
};
// @lc code=end
// checkSubarraySum([1, 0, 1, 0, 1], 4);