#include <leetcode.h>
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static bool | checkValid (vector< vector< int > > &matrix) |
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◆ checkValid()
bool leetcode::check_if_every_row_and_column_contains_all_numbers::Solution::checkValid |
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vector< vector< int > > & | matrix | ) |
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static |
在文件 leetcode.cpp 第 625 行定义.
625 {
626 const unsigned int n = matrix.size();
627 for(
int i = 0; i <
n; i++) {
628 auto *
const row =
new bool[
n + 1];
629 memset(row, 1, (n + 1) * sizeof(bool));
630 for(
int j = 0; j <
n; j++) {
631 if(!row[matrix[i][j]]) {
632 delete[] row;
633 return false;
634 }
635 row[matrix[i][j]] = false;
636 }
637 delete[] row;
638 }
639
640 for(
int j = 0; j <
n; j++) {
641 auto *
const column =
new bool[
n + 1];
642 memset(column, 1, (n + 1) * sizeof(bool));
643 for(
int i = 0; i <
n; i++) {
644 if(!column[matrix[i][j]]) {
645 delete[] column;
646 return false;
647 }
648 column[matrix[i][j]] = false;
649 }
650 delete[] column;
651 }
652 return true;
653 }
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