LeetCode
[LeetCode Top Interview 150] [Array & String] 121. Best Time to Buy and Sell Stock
okonomiyakki
2023. 8. 25. 05:28
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시간초과 1
/**
* @param {number[]} prices
* @return {number}
*/
var maxProfit = function(prices) {
let max = 0;
let profit = 0;
let profitrArr = [];
if(prices.length === 1) return 0
for (let i = 0; i < prices.length - 1; i++) {
max = Math.max(...prices.slice(i + 1, prices.length + 1));
if (max - prices[i] > 0) profitrArr.push(max - prices[i]);
}
profit = Math.max(...profitrArr);
if (profitrArr.length === 0) return 0;
return profit;
};
시간초과 2
/**
* @param {number[]} prices
* @return {number}
*/
var maxProfit = function(prices) {
if (prices.length === 1) return 0;
let temp = 0;
let j;
for (let i = 0; i < prices.length - 1; i++) {
for (j = 1; j < prices.length; j++) {
if (j > i && prices[j] - prices[i] > temp)
temp = prices[j] - prices[i];
}
}
return temp;
};
성공
/**
* @param {number[]} prices
* @return {number}
*/
var maxProfit = function(prices) {
if (prices.length === 1) return 0;
let left = 0;
let right = 1;
let temp = 0;
while (right < prices.length) {
if (prices[right] > prices[left])
temp = Math.max(temp, prices[right] - prices[left]);
else left = right;
right++;
}
return temp;
};
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