diff options
Diffstat (limited to 'works/solutions/leetcode/cpp/123.cpp')
-rw-r--r-- | works/solutions/leetcode/cpp/123.cpp | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/works/solutions/leetcode/cpp/123.cpp b/works/solutions/leetcode/cpp/123.cpp deleted file mode 100644 index ecf35c4..0000000 --- a/works/solutions/leetcode/cpp/123.cpp +++ /dev/null @@ -1,34 +0,0 @@ -#include <vector>
-#include <iostream>
-using std::vector;
-
-#include <algorithm>
-
-class Solution
-{
-public:
- // 0 -> after buy for the first time
- // 1 -> after sell for the first time
- // 2 -> after buy for the second time
- // 3 -> after sell for the second time
-
- int maxProfit(vector<int> &prices)
- {
- int day_count = prices.size();
-
- int state_0 = -prices[0];
- int state_1 = 0;
- int state_2 = -prices[0];
- int state_3 = 0;
-
- for (int day = 1; day < day_count; day++)
- {
- state_0 = std::max(state_0, -prices[day]);
- state_1 = std::max(state_1, state_0 + prices[day]);
- state_2 = std::max(state_2, state_1 - prices[day]);
- state_3 = std::max(state_3, state_2 + prices[day]);
- }
-
- return std::max({state_0, state_1, state_2, state_3});
- }
-};
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