https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/
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int maxProfit(vec...
Count the number of Safe places
Return the maximum number of the counts;
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void...
N: number of {price : delivery cost}
M: initial amount of money
1 Coupon: get half price f...
Loop compiler <#ABC>
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string Compile(const string& code) {
str...
https://www.codingame.com/ide/puzzle/reversed-look-and-say
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void _Solve(){
s...
