20 lines
495 B
C++
20 lines
495 B
C++
#include <vector>
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#include <algorithm>
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/**
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* 766. Toeplitz Matrix
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*
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* Given an m x n matrix, return true if the matrix is Toeplitz. Otherwise, return false.
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* A matrix is Toeplitz if every diagonal from top-left to bottom-right has the same elements.
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*/
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class Solution {
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public:
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bool isToeplitzMatrix(const std::vector<std::vector<int>>& m) {
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for (int i = 1; i < m.size(); ++i)
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if (!std::equal(m[i].begin() + 1, m[i].end(), m[i - 1].begin()))
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return false;
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return true;
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}
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};
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