diff options
Diffstat (limited to 'other/toeplitz_matrix.cpp')
-rw-r--r-- | other/toeplitz_matrix.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/other/toeplitz_matrix.cpp b/other/toeplitz_matrix.cpp new file mode 100644 index 0000000..f451196 --- /dev/null +++ b/other/toeplitz_matrix.cpp @@ -0,0 +1,30 @@ +#include "leetcode.h" + +class Solution { +public: + bool isToeplitzMatrix(vvd & matrix) { + int m = matrix.size(), n = matrix[0].size(); + for (int i = 1; i < m; i++) + for (int j = 1; j < n; j++) + if (matrix[i][j] != matrix[i - 1][j - 1]) + return false; + return true; + } +}; + +int main() { + Solution obj; + // true - all diagonals have the same elements + vvd matrix = {{1, 2, 3, 4}, {5, 1, 2, 3}, {9, 5, 1, 2}}; + // false - diagonals do not share same elements + vvd matrix2 = {{1, 2}, {2, 2}}; + + if (obj.isToeplitzMatrix(matrix)) + cout << "true"; + else + cout << "false"; + if (obj.isToeplitzMatrix(matrix2)) + cout << "\ntrue"; + else + cout << "\nfalse"; +} |