diff options
Diffstat (limited to 'store/works/solutions/leetcode/week/260')
-rw-r--r-- | store/works/solutions/leetcode/week/260/1.cpp | 21 | ||||
-rw-r--r-- | store/works/solutions/leetcode/week/260/2.cpp | 29 |
2 files changed, 50 insertions, 0 deletions
diff --git a/store/works/solutions/leetcode/week/260/1.cpp b/store/works/solutions/leetcode/week/260/1.cpp new file mode 100644 index 0000000..4d6c78d --- /dev/null +++ b/store/works/solutions/leetcode/week/260/1.cpp @@ -0,0 +1,21 @@ +#include <vector> + +using std::vector; + +class Solution { +public: + int maximumDifference(vector<int>& nums) { + int result = -1; + + for (int i = 1; i < nums.size(); i++) { + for (int j = 0; j < i; j++) { + int diff = nums[i] - nums[j]; + if (diff > result) { + result = diff; + } + } + } + + return result == 0 ? -1 : result; + } +};
\ No newline at end of file diff --git a/store/works/solutions/leetcode/week/260/2.cpp b/store/works/solutions/leetcode/week/260/2.cpp new file mode 100644 index 0000000..86c4cf2 --- /dev/null +++ b/store/works/solutions/leetcode/week/260/2.cpp @@ -0,0 +1,29 @@ +#include <vector> + +using std::vector; + +#include <iterator> +#include <limits> +#include <numeric> + +class Solution { +public: + long long gridGame(vector<vector<int>> &grid) { + int s = grid.front().size(); + std::vector<long long> row0(grid[0].cbegin(), grid[0].cend()); + std::vector<long long> row1(grid[1].cbegin(), grid[1].cend()); + std::vector<long long> ps0, ps1; + + std::partial_sum(row0.cbegin(), row0.cend(), std::back_inserter(ps0)); + std::partial_sum(row1.cbegin(), row1.cend(), std::back_inserter(ps1)); + + long long r = std::numeric_limits<long long>::max(); + + for (int i = 0; i < s; i++) { + long long c = std::max(ps0.back() - ps0[i], i ? ps1[i - 1] : 0); + r = std::min(r, c); + } + + return r; + } +};
\ No newline at end of file |