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LeetCode-Solutions/C++/valid-word-square.cpp at master · lightwindy/LeetCode-Solutions · GitHub
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valid-word-square.cpp
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valid-word-square.cpp
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//
Time: O(m * n)
//
Space: O(1)
class
Solution
{
public:
bool
validWordSquare
(vector<string>& words) {
for
(
int
i =
0
; i < words.
size
(); ++i) {
for
(
int
j =
0
; j < words[i].
size
(); ++j) {
if
(j >= words.
size
() || i >= words[j].
size
() ||
words[j][i] != words[i][j]) {
return
false
;
}
}
}
return
true
;
}
};
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