LeetCode 73. Set Matrix Zeroes
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https://leetcode.com/problems/set-matrix-zeroes/
没什么意思的一道题,,暴力
class Solution {public: void setZeroes(vector<vector<int> >& matrix) { if(matrix.size() == 0)return; int flag = 0; set <int> hang,lie; for(int i=0;i<matrix.size();i++) { for(int j=0;j<matrix[0].size();j++) { if(matrix[i][j] == 0) { hang.insert(i); lie.insert(j); } } } for(int i=0;i<matrix.size();i++) { if(hang.find(i) != hang.end()) { for(int j=0;j<matrix[0].size();j++) { matrix[i][j] = 0; } } } for(int j=0; j<matrix[0].size();j++) { if(lie.find(j) != lie.end()) { for(int i=0;i<matrix.size();i++) { matrix[i][j] = 0; } } } }};
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