diff options
Diffstat (limited to 'works/solutions/leetcode/week/260')
| -rw-r--r-- | works/solutions/leetcode/week/260/1.cpp | 21 | ||||
| -rw-r--r-- | works/solutions/leetcode/week/260/2.cpp | 29 | 
2 files changed, 50 insertions, 0 deletions
| diff --git a/works/solutions/leetcode/week/260/1.cpp b/works/solutions/leetcode/week/260/1.cpp new file mode 100644 index 0000000..4d6c78d --- /dev/null +++ b/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/works/solutions/leetcode/week/260/2.cpp b/works/solutions/leetcode/week/260/2.cpp new file mode 100644 index 0000000..86c4cf2 --- /dev/null +++ b/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 | 
