id int64 1 3.58k | problem_description stringlengths 516 21.8k | instruction int64 0 3 | solution_c dict |
|---|---|---|---|
3,519 | <p>You are given an integer <code>n</code> representing the number of players in a game and a 2D array <code>pick</code> where <code>pick[i] = [x<sub>i</sub>, y<sub>i</sub>]</code> represents that the player <code>x<sub>i</sub></code> picked a ball of color <code>y<sub>i</sub></code>.</p>
<p>Player <code>i</code> <str... | 3 | {
"code": "class Solution{\n public :\n int winningPlayerCount(int n, vector<vector<int>>& p) {\n int a = 0;\n unordered_map<int, vector<int>> m1;\n unordered_map<int, int> m2;\n for(int i = 0; i < 11; i++) {\n for(int j = 0; j < 11; j++) {\n m1[i].push_back... |
3,519 | <p>You are given an integer <code>n</code> representing the number of players in a game and a 2D array <code>pick</code> where <code>pick[i] = [x<sub>i</sub>, y<sub>i</sub>]</code> represents that the player <code>x<sub>i</sub></code> picked a ball of color <code>y<sub>i</sub></code>.</p>
<p>Player <code>i</code> <str... | 3 | {
"code": "class Solution {\npublic:\n \n bool winning(int player , vector<int>pick){\n unordered_map<int , int>color;\n\n for(int i = 0 ; i < pick.size() ; ++i) color[pick[i]]++;\n for(auto c : color){\n if(c.second >= player + 1) return true;\n }\n \n retu... |
3,519 | <p>You are given an integer <code>n</code> representing the number of players in a game and a 2D array <code>pick</code> where <code>pick[i] = [x<sub>i</sub>, y<sub>i</sub>]</code> represents that the player <code>x<sub>i</sub></code> picked a ball of color <code>y<sub>i</sub></code>.</p>
<p>Player <code>i</code> <str... | 3 | {
"code": "class Solution {\npublic:\n int winningPlayerCount(int n, vector<vector<int>>& pick) {\n unordered_map<int, vector<int>> mp;\n for(auto i: pick) mp[i[0]].push_back(i[1]);\n int ans = 0;\n for(auto [k, col]: mp) {\n unordered_map<int, int> cmap;\n for(aut... |
3,519 | <p>You are given an integer <code>n</code> representing the number of players in a game and a 2D array <code>pick</code> where <code>pick[i] = [x<sub>i</sub>, y<sub>i</sub>]</code> represents that the player <code>x<sub>i</sub></code> picked a ball of color <code>y<sub>i</sub></code>.</p>
<p>Player <code>i</code> <str... | 3 | {
"code": "class Solution {\npublic:\n int winningPlayerCount(int n, vector<vector<int>>& pick) {\n unordered_map<int,map<int,int>>mp;\n \n for(auto p: pick){\n int player = p[0];\n int ball = p[1];\n mp[player][ball]++;\n }\n \n int cnt = ... |
3,519 | <p>You are given an integer <code>n</code> representing the number of players in a game and a 2D array <code>pick</code> where <code>pick[i] = [x<sub>i</sub>, y<sub>i</sub>]</code> represents that the player <code>x<sub>i</sub></code> picked a ball of color <code>y<sub>i</sub></code>.</p>
<p>Player <code>i</code> <str... | 3 | {
"code": "class Solution {\npublic:\n int winningPlayerCount(int n, vector<vector<int>>& pick) {\n map<int,vector<int>>counter;//player -> color of the balls\n for(auto p: pick){\n counter[p[0]].push_back(p[1]);\n }\n int result = 0;\n for(auto i:counter){\n ... |
3,519 | <p>You are given an integer <code>n</code> representing the number of players in a game and a 2D array <code>pick</code> where <code>pick[i] = [x<sub>i</sub>, y<sub>i</sub>]</code> represents that the player <code>x<sub>i</sub></code> picked a ball of color <code>y<sub>i</sub></code>.</p>
<p>Player <code>i</code> <str... | 3 | {
"code": "class Solution {\npublic:\n int winningPlayerCount(int n, vector<vector<int>>& a) {\n int cnt=0;\n map<int,map<int,int>>m;\n // map<int,int>c;\n for(auto it:a)\n { \n m[it[0]][it[1]]++;\n }\n for(auto it:m)\n {\n for(auto j:it... |
3,519 | <p>You are given an integer <code>n</code> representing the number of players in a game and a 2D array <code>pick</code> where <code>pick[i] = [x<sub>i</sub>, y<sub>i</sub>]</code> represents that the player <code>x<sub>i</sub></code> picked a ball of color <code>y<sub>i</sub></code>.</p>
<p>Player <code>i</code> <str... | 3 | {
"code": "class Solution {\npublic:\n int winningPlayerCount(int n, vector<vector<int>>& pick) {\n map<int,map<int,int>>m;\n int win=0;\n \n \n for(auto it:pick)\n {\n m[it[0]][it[1]]++;\n }\n \n for(auto it: m)\n {\n for(auto p... |
3,519 | <p>You are given an integer <code>n</code> representing the number of players in a game and a 2D array <code>pick</code> where <code>pick[i] = [x<sub>i</sub>, y<sub>i</sub>]</code> represents that the player <code>x<sub>i</sub></code> picked a ball of color <code>y<sub>i</sub></code>.</p>
<p>Player <code>i</code> <str... | 3 | {
"code": "class Solution {\npublic:\n int winningPlayerCount(int n, vector<vector<int>>& pick) {\n map<int,map<int,int>>m;\n for(auto c:pick){\n m[c[0]][c[1]]++;\n }\n int ans=0;\n for(auto c:m){\n int temp=c.first+1;;\n for(auto cc:c.second){\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 0 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int row_count = 0;\n int col_count = 0;\n for(auto &v : grid)\n {\n int n = v.size();\n int i,j;\n i = 0; j = n-1;\n while(i<j)\n {\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 0 | {
"code": "class Solution {\npublic:\n \n int isPalin(vector<vector<int>>& grid,int row,int col){\n int count = 0;\n \n if(row!=-1){\n int n = grid[0].size();\n int left = 0,right = n-1;\n \n while(left<=right){\n if(grid[row][left]... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int n = grid.size();\n int m = grid[0].size();\n int temp[n][m];\n for(int i =0;i<n;i++){\n for(int j = 0;j<m;j++){\n temp[i][j] = grid[i][j];\n }\n }\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int n = grid.size();\n int m = grid[0].size();\n int ans1 = 0;\n int ans2 = 0 ,ans3 = 0;\n for(int i=0;i<n;i++)\n {\n for(int j=0;j<m;j++)\n {\n if(grid[... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int m = grid.size();\n int n = grid[0].size();\n int rowFlips = 0, colFlips = 0;\n auto countFlips = [](const vector<int>& vec) {\n int flips = 0;\n int len = vec.size();\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n\n int flips(vector<int>& arr){\n int n = arr.size();\n int flip=0;\n for (int i = 0; i < n / 2; i++) {\n if (arr[i] != arr[n - 1 - i]) {\n flip++;\n }\n }\n return flip;\n }\n\n int minFlips(vector<... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\n\n int calc(string &s){\n int ans = 0;\n int n=s.size();\n int p1=0,p2=n-1;\n while(p1 < p2){\n if(s[p1] != s[p2]){\n ans++;\n }\n p1++;\n p2--;\n }\n return ans;\n }\n\npublic:\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int fnc(string &s1){\n int i=0, j=s1.size()-1, ans=0;\n while(i<j){\n if(s1[i] != s1[j]) ans++;\n i++;\n j--;\n }\n return ans;\n }\n int minFlips(vector<vector<int>>& grid) {\n string tst=\"\";\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int m = grid.size(), n = grid[0].size();\n vector<int> row(m, 0);\n vector<int> col(n, 0);\n for (int i = 0; i < m; i++) {\n int k = 0, l = n - 1;\n int cnt = 0;\n while (... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int m = grid.size();\n int n = grid[0].size();\n \n vector<int> rowNeed(m, 0);\n vector<int> colNeed(n, 0);\n \n for(int i = 0; i<m; i++){\n int cnt = 0;\n for(i... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\n int count_minFlips(vector<int>& a){\n int n=a.size();\n int cnt=0;\n for(int i=0;i<n/2;++i){\n cnt+=(a[i]!=a[n-1-i]);\n }\n return cnt;\n }\n int row_traverse(vector<vector<int>>& grid){\n int cnt=0;\n for(vector<int>& ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n \n \n int computePalin(vector <int>& row) {\n \n int count = 0;\n int mid = row.size()/2 -1;\n int n = row.size();\n for(int i=0;i<=mid;i++) {\n if(row[i] != row[n-i-1])\n count++;\n }\n return c... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int m = grid.size();\n int n = grid[0].size();\n stack<int> s;\n int ans1 = 0;\n for(int i=0;i<m;i++){\n for(int j=0;j<n;j++){\n if(j<n/2) s.push(grid[i][j]);\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int n = grid.size();\n int m = grid[0].size();\n int cnt1 = 0;\n for(int i=0;i<n;i++){\n int mid = m/2;\n string str = \"\";\n int j = 0;\n while(j < mid){\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int countflips(string str){\n int left = 0, right = str.size()-1;\n int flips = 0;\n while(left<right){\n if(str[left]!=str[right])flips++;\n left++;\n right--;\n }\n return flips;\n }\n int minFlips(ve... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n\n int getCount(string s){\n int i = 0;\n int j = s.length()-1;\n int count = 0;\n while(i < j){\n if(s[i] != s[j]){\n count++;\n }\n i++;\n j--;\n }\n\n return count;\n }\n... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) \n {\n int ans = 0;\n vector<int> temp(grid[0].size());\n vector<int> temp1(grid[0].size());\n for(int i=0; i<grid.size(); i++)\n {\n for(int j=0; j<grid[i].size(); j++)\n {\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n bool isRowPalindrome(vector<int>& row)\n {\n int n=row.size();\n for(int i=0;i<n/2;i++)\n {\n if(row[i]!=row[n-1-i])\n return false;\n }\n return true;\n }\n bool isColPalindrome(int col,vector<vector<int>>... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int solve(string s){\n int n = s.size();\n int i = 0;\n int j = n - 1;\n int cnt = 0;\n while(i < j){\n if(s[i] != s[j]){\n cnt++;\n }\n i++;\n j--;\n }\n return cnt;\n... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int count(vector<int>& h)\n {\n int low=0;\n int high=h.size()-1;\n int cnt=0;\n while(low<=high)\n {\n if(h[low]==h[high])\n {\n //continue;\n low++;\n high--;\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int check(vector<int>&ank){\n int k=0;\n for(int i =0 ; i<ank.size()/2; i++){\n if(ank[i]!=ank[ank.size()-i -1]){\n k++;\n } \n }\n return k;\n }\n int minFlips(vector<vector<int>>& grid) {\n int... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\nint check(string &S){\n int a=0,b=S.size()-1;\n int D=0;\n while(a<b){\n if(S[a]!=S[b]) D++;\n a++;b--;\n }\n return D;\n}\n int minFlips(vector<vector<int>>& grid) {\n vector<string> V;\n int n=grid.size();\n int m=grid[0].siz... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n \n int ans = 0,pns =0;\n for(int i =0;i<grid[0].size();i++)\n {\n string s = \"\";\n for(int j = 0 ;j<grid.size();j++)\n {\n s+=grid[j][i]+'0';\n \n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int solve(string &s){\n int i=0,j=s.size()-1;\n int cnt =0;\n while(i <= j){\n if(s[i]!=s[j]) cnt++;\n i++;\n j--;\n }\n return cnt;\n }\n int row(vector<vector<int>>& grid){\n int n = grid.size(... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\nprivate:\n int makeStringPalminFlips(string& s){\n int i = 0;\n int j = s.size()-1;\n int flip = 0;\n while(i < j){\n if(s[i] != s[j]){\n flip++;\n }\n i++;\n j--;\n }\n return flip;\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int cntH(vector<vector<int>>& grid, int row, int left, int right)\n {\n if (left >= right)\n {\n return 0;\n }\n else\n {\n return grid[row][left] != grid[row][right] ? 1 + cntH(grid, row, left + 1, right - 1) : cntH... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n \n int rowPal(int row, int start, int end, vector<vector<int>>& grid) {\n if (start >= end) {\n return 0;\n }\n \n if (grid[row][start] == grid[row][end]) {\n return rowPal(row, start + 1, end - 1, grid);\n }\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n void row_palindrom(vector<vector<int>>& grid,int row,int m,vector<int>& ans1){\n int i=0,j=m-1;\n while(i<=j){\n if(grid[row][i]!=grid[row][j]){\n ans1.push_back(i);\n }\n i++;\n j--;\n }... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n\n int makeRowPalin(int i, int n, vector<vector<int>>&grid){\n int j = 0, k = n - 1, steps = 0;\n if(i < 0) return 0;\n \n while(j <= k){\n if(grid[i][j] == grid[i][k]){\n j++; k--;\n }\n else{\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int solve(string s){\n int i=0,j=s.size()-1;\n int val=0;\n while(i<=j){\n if(s[i]!=s[j]) val++;\n i++;\n j--;\n }\n return val;\n }\n int minFlips(vector<vector<int>>& grid) {\n int n=grid.size(... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\n int need(string s)\n {\n int start = 0, end = s.size() - 1;\n int cnt = 0;\n while(start < end)\n {\n if(s[start] != s[end])\n {\n cnt++;\n }\n start++;\n end--;\n }\n re... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int isPal(string s){\n int n = s.size();\n int i=0,j=n-1;\n int ct = 0;\n while(i<j){\n if(s[i]!=s[j])ct++;\n i++;\n j--;\n }\n return ct;\n }\n int minFlips(vector<vector<int>>& a) {\n in... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int makepali(string s) {\n int cnt = 0;\n int l = 0, r = s.size() - 1;\n while (l <= r) {\n if (s[l] != s[r]) cnt++;\n l++; r--;\n }\n return cnt;\n }\n\n int f1(vector<vector<int>>& grid) {\n int c = 0;\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int row(vector<vector<int>>& grid,int i)\n {\n if(i>= grid.size())\n return 0;\n int j = 0;\n int k = grid[0].size() - 1;\n int count = 0;\n while(j<k)\n {\n if(grid[i][j] != grid[i][k])\n count... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\nint n;\nint m;\n\n\nint f(bool h,int i,int j,vector<vector<int>>&grid){\n \n\n\nif(i>=n||j>=m){\n return 0;\n}\n\n if(!h){\n int p1=0;\n int p2=m-1;\n int cnt=0;\n while(p1<p2){\n if(grid[i][p1]!=grid[i][... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int r = flipr(grid, 0);\n int c = flipc(grid, 0);\n return min(r, c);\n }\n\n int flipr(vector<vector<int>>& grid, int row) {\n if (row == grid.size()) {\n return 0;\n }\n \... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int help_row(vector<vector<int>>& g,int p){\n if(p==g.size())return 0;\n int s=0,e=g[p].size()-1,c=0;\n while(s<e){\n if(g[p][s]!=g[p][e])c++;\n s++;e--;\n }\n \n return c+help_row(g,p+1);\n \n }\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int isPalin(string s){\n string rev = s;\n int i = 0;\n int j = s.size()-1;\n int ct = 0;\n while(i<=j){\n if(s[i]!=s[j])ct++;\n i++;\n j--;\n }\n return ct;\n }\n int minFlips(vector<vector<int>>& grid) {\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int m = grid.size(), n = grid[0].size();\n int rowFlips = 0, colFlips = 0;\n \n for (const auto& row : grid) {\n rowFlips += countFlips(row);\n }\n for (int j = 0; j < n; j++) {\n... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minChangesToMakePalindrome(const std::string& str) {\n int left = 0;\n int right = str.length() - 1;\n int changes = 0;\n\n while (left < right) {\n if (str[left] != str[right]) {\n changes++;\n }\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int n = grid.size();\n int m = grid[0].size();\n if(n== 1 || m== 1)\n return 0;\n int row = 0;\n int col = 0;\n vector<vector<int>> temp;\n temp = grid;\n int j=0;\n... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int n = grid.size();\n int m = grid[0].size();\n if(n== 1 || m== 1)\n return 0;\n int row = 0;\n int col = 0;\n vector<vector<int>> temp;\n temp = grid;\n int j=0;\n... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int check_row(vector<int>&grid,int n){\n int start =0,end = n-1,count = 0;;\n while(start<end){\n if(grid[start]!=grid[end]){\n count++;\n }\n start++;\n end--;\n }\n return count;\n }\n... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "#include <vector>\n#include <map>\n#include <string>\n#include <algorithm>\n#include <queue>\n#include <iostream>\n\nusing namespace std;\n\nclass Solution {\npublic:\n\n int pattern_flips(const string &pattern) {\n int n = pattern.size();\n int flips = 0;\n for (int i = 0; i < n / ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int flipsToPalindrome(vector<int>& num) {\n int flips = 0;\n \n auto start = num.begin();\n auto end = num.end() - 1;\n\n while (end - start >= 1) {\n if (*(start++) != *(end--))\n flips++;\n }\n\n ret... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n // int ans = 0;\n // int ans2 = 0;\n // for(auto z:grid){\n // int i = 0;\n // int j = grid[0].size()-1;\n // while(i <= j){\n // if(z[i] != z[j]) ans++;\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n // int ans = 0;\n // int ans2 = 0;\n // for(auto z:grid){\n // int i = 0;\n // int j = grid[0].size()-1;\n // while(i <= j){\n // if(z[i] != z[j]) ans++;\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int cnt1=0;\n int i=0, n=grid.size();\n while(i<(n/2)){\n vector<int> v1=grid[i];\n vector<int> v2=grid[n-1-i];\n for(int j=0; j<v1.size(); j++){\n if(v1[j]!=v2[j]... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n // if (grid.size() < 3)\n // return 0;\n // if (grid[0].size() < 2)\n // return 0;\n int p1 = 0;\n int p2 = grid.size() - 1;\n int ans1 = 0;\n int ans2 = 0;\n wh... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 2 | {
"code": "class Solution {\npublic:\n int changerowcol(vector<int>&row)\n {\n int s=0,e=row.size()-1,c=0;\n\n while(s<e)\n {\n if(row[s]!=row[e])\n {\n c++;\n }\n s++;\n e--;\n }\n return c;\n }\n int mi... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\nint flips(vector<int>& a){\n int f=0,n=a.size();\n for(int i=0;i<n/2;i++){\n if(a[i]!=a[n-i-1])\n f++;\n }\n return f;\n}\n int minFlips(vector<vector<int>>& grid) {\n int x=0,y=0;\n int n=grid.size();\n \n int m=grid[0].siz... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n \nint minflips2(vector<int>& arrr) {\n int start = 0;\n int end = arrr.size() - 1;\n int totalflips = 0;\n\n while (start <= end) {\n if (arrr[start] != arrr[end]) {\n totalflips++;\n }\n\n start++;\n... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n\n int flips_to_palindrome(const vector<int>& arr) {\n int n = arr.size();\n int flips = 0;\n for (int i = 0; i < n / 2; ++i) {\n if (arr[i] != arr[n - i - 1]) {\n flips++;\n }\n }\n return flips;\n }\n... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int m = grid.size();\n int n = grid[0].size();\n\n \n auto minFlipsToPalindrome = [](const vector<int>& sequence) {\n int flips = 0;\n int left = 0;\n int right = sequence... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n\n int solve(vector<int>& arr){\n int n = arr.size();\n int ans = 0;\n\n int s = 0, e = n-1;\n while(s < e){\n if(arr[s++] != arr[e--]) ans++;\n }\n\n return ans;\n}\n\nint givenFuction(vector<vector<int>>& arr){\n int n = arr.size();\n int m = a... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int min1= INT_MAX;\n int res=0;\n for(auto row:grid){\n res+=checkPalindrome(row);\n }\n cout<<res<<endl;\n int res1=0;\n vector<int> col;\n for(int i=0;i<grid[0].s... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& v) {\n int n = v.size(), m = v[0].size();\n vector<int> row,col;\n int rcnt=0,ccnt=0;\n for(int i=0;i<n;i++){\n row.push_back(getPalindrom(v[i]));\n rcnt += row.back();\n }\n for... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n if(grid.size()==1)return 0;\n int n=grid.size(), m=grid[0].size();\n vector<vector<int>> hash(grid.size());\n // vector<int>(grid[0].size())\n int rc = 0;\n\n for(int i=0; i<n; i++){\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int ans=INT_MAX,n=grid.size(),m=grid[0].size(),res=0;\n for(auto i:grid){\n string temp=\"\";\n for(auto j:i){\n temp+=to_string(j);\n }\n // cout<<temp<<\" \"... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "#include <vector>\n#include <algorithm>\n\nclass Solution {\npublic:\n int minFlips(std::vector<std::vector<int>>& grid) {\n int m = grid.size();\n int n = grid[0].size();\n int ans = 0, ans1 = 0;\n \n vector<vector<int>> grid1 = grid; \n\n // Check for row-wise... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "\n#include <vector>\n#include <memory>\n#include <algorithm>\nusing namespace std;\n\nclass Solution {\n\n\tunique_ptr< vector<vector<int>>> matrix;\n\tsize_t rows{};\n\tsize_t columns{};\n\npublic:\n\tint minFlips(const vector<vector<int>>& matrix) {\n\t\tthis->matrix = make_unique< vector<vector<int>>>(m... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "\n#include <vector>\n#include <memory>\n#include <algorithm>\nusing namespace std;\n\nclass Solution {\n\n unique_ptr< vector<vector<int>>> matrix;\n size_t rows{};\n size_t columns{};\n\npublic:\n int minFlips(const vector<vector<int>>& matrix) {\n this->matrix = make_unique< vector<vec... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n std::vector<std::vector<int>> a = grid;\n int result_a{};\n int result_b{};\n\n for(auto& row : a){\n for(int i = 0; i < row.size()/2; i++){\n if(row[row.size()-1-i] != row[i]) r... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n std::vector<std::vector<int>> a = grid;\n int result_a{};\n int result_b{};\n\n for(auto& row : a){\n for(int i = 0; i < row.size()/2; i++){\n if(row[row.size()-1-i] != row[i]) r... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "\nclass Solution {\npublic:\n \n int minFlips(vector<vector<int>>& grid) {\n auto row=grid;\n int ans=0;\n for(auto &x: row){\n int i=0,j=x.size()-1;\n while(i<j){\n if(x[i]!=x[j])ans++;\n j--,i++;\n }\n }\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "\n#include <vector>\n#include <memory>\n#include <algorithm>\nusing namespace std;\n\nclass Solution {\n\n\tunique_ptr< vector<vector<int>>> matrix;\n\tsize_t rows{};\n\tsize_t columns{};\n\npublic:\n\tint minFlips(const vector<vector<int>>& matrix) {\n\t\tthis->matrix = make_unique< vector<vector<int>>>(m... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "#include <vector>\n#include <algorithm>\n\nusing namespace std;\n\nclass Solution {\npublic:\n \n int countRowFlips(const vector<bool>& row) {\n int length = row.size();\n int flipCount = 0;\n for (int i = 0; i < length / 2; ++i) {\n if (row[i] != row[length - i - 1]) ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int n=grid.size();\n int m=grid[0].size();\n vector<vector<bool>>temp(n,vector<bool>(m,0));\n for(int i=0;i<n;i++){\n for(int j=0;j<m;j++){\n temp[i][j]=grid[i][j];\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& arr) {\n int ans=0;\n int n=arr.size();\n int m=arr[0].size();\n //rows\n int c1=0, c2=0;\n for(int i=0;i<n;i++){\n for(int j=0, k=m-1;j<m/2;j++, k--){\n if(arr[i][j]!=arr[i]... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\n public:\n int minFlips(const vector<vector<int>>& grid) {\n const auto row_flips = accumulate(grid.cbegin(), grid.cend(), 0,\n [] (auto&& acc, const auto& row) { return acc + minFlips(row); });\n const auto trans = transpose(grid);\n const auto col_fli... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\nprivate:\n bool isPalindromic (vector<int> v) {\n for (int i = 0; i < v.size()/2 ; i++) {\n if(v[i] != v[v.size() - 1 - i]) {\n return false;\n }\n }\n return true;\n }\n \n int minFlipsToMakeColumnPalindromic(const vec... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n bool isPalindrome(vector<int>&vec){\n vector<int>vec1=vec;\n reverse(vec.begin(),vec.end());\n return (vec==vec1);\n }\n int minFlips(vector<vector<int>>& grid) {\n int n=grid.size(),m=grid[0].size();\n if(m==1 || n==1)return 0;\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n \n int fn2(string& s) {\n int l = 0, r = s.size() - 1, flips = 0;\n while (l < r) {\n if (s[l] != s[r]) flips++;\n l++;\n r--;\n }\n return flips;\n }\n\n int fn(vector<string>& c) {\n int tot = 0;\n... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\nint is_palindrome(string s){\n\n string p=s;\n int ans=0;\n reverse(p.begin(),p.end());\n int n=s.size();\n for(int i=0;i<n;++i){\n if(s[i]!=p[i])ans++;\n }\n \n return ans;\n}\n int minFlips(vector<vector<int>>& a) {\n int n=a.size(),m=a[0]... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n vector<vector<int>> tm(vector<vector<int>>& matrix) {\n int rows = matrix.size();\n int cols = matrix[0].size();\n vector<vector<int>> transposed(cols,vector<int>(rows));\n for (int i = 0; i < rows; ++i) {\n for (int j = 0; j < cols; ++j) {\n tra... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n vector<vector<int>> tm(vector<vector<int>>& matrix) {\n int rows = matrix.size();\n int cols = matrix[0].size();\n vector<vector<int>> transposed(cols,vector<int>(rows));\n for (int i = 0; i < rows; ++i) {\n for (int j = 0; j < cols; ++j) {\n tra... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int n=grid.size(), m=grid[0].size();\n vector<vector<int>> tmp(m,vector<int>(n));\n for(int i=0; i<n; i++){\n for(int j=0; j<m; j++)\n tmp[j][i] = grid[i][j];\n }\n vector... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\n\n int ispalindrome(vector<int> &v){\n int n=v.size(),cnt=0;\n for(int i=0;i<n/2;i++){\n if(v[i]!=v[n-i-1]) cnt++;\n } \n\n return cnt;\n }\n\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int sum1=0;\n int n=grid.siz... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n\n int isPalindrome(string s){\n int cnt = 0 , n = s.length();\n for(int i = 0 ; i < n/2 ; i++){\n if(s[i] != s[n-i-1]) cnt++;\n }\n return cnt;\n }\n int minFlips(vector<vector<int>>& grid) {\n int row = grid.size();\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int solve(string &a,int m){\n int cnt = 0;\n int i = 0;\n int j = m-1;\n while(i<j){\n if(a[i] != a[j]){\n cnt++;\n }\n i++;\n j--;\n }\n return cnt;\n }\n int minFlips(... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n \n int m = grid.size();\n int n= grid[0].size();\n \n //try out for all rows first, then for columns, then choose the least out of the two\n \n //For rows\n vector<vector<int>>... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n void solve(string &tmp,int &ct)\n {\n int i=0;\n int j=tmp.size()-1;\n while(i<j)\n {\n if(tmp[i]!=tmp[j])\n {\n tmp[j]=tmp[i];\n ct++;\n }\n i++;\n j--;\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n vector<int>row;\n vector<int>col;\n for(int i=0;i<grid.size();i++){\n for(int j=0;j<grid[i].size();j++){\n row.push_back(grid[i][j]);\n }\n }\n for(int i=0;i<gr... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int filp(vector<int>&x){\n int s=0;\n int n=x.size();\n for(int i=0;i<n/2;i++)\n {\n if(x[i]!=x[n-i-1])s++;\n }\n return s;\n }\n int minFlips(vector<vector<int>>& grid) {\n int n = grid[0].size();\n int... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n void solve(int &x, string &s){\n int i = 0, j = s.size() - 1;\n while(i < j){\n if(s[i] != s[j]) x++;\n i++, j--;\n }\n }\n\n int minFlips(vector<vector<int>>&g){\n vector<vector<int>>v = g;\n int c1 = 0, c2 = 0, ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int ctop(string s){\n int j = s.length()-1;\n int i = 0;\n int c = 0;\n while(i<j){\n if(s[i]!=s[j]){\n c++;\n }\n i++;\n j--;\n }\n return c;\n }\n int minFlips(vector<... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\nint f(vector<int>&temp)\n{\n int i=0;\n int j=temp.size()-1;\n int count=0;\n while(i<j)\n {\n if(temp[i]!=temp[j]){\n count++;\n }\n i++;\n j--; \n }\n return count;\n}\n int minFlips(vector<vector<int>>& grid) {\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n \n int minFlips(vector<vector<int>>& grid) {\n int m = grid.size();\n int n = grid[0].size();\n \n \n int cnt1 = 0,cnt2 = 0;\n for(int i=0;i<m;i++){\n int l = 0,r = n - 1;\n while(l<r){\n if(gri... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int makePalindrome(vector<int>& arr) {\n int i = 0;\n int j = arr.size() - 1;\n int cnt = 0;\n\n while (i <= j) {\n if (arr[i] == arr[j]) {\n i++;\n j--;\n } else {\n cnt++;\n ... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int pal(const vector<int>& arr) {\n int count = 0;\n int len = arr.size();\n for (int i = 0; i < len / 2; ++i) {\n if (arr[i] != arr[len - i - 1]) {\n count++;\n }\n }\n return count;\n }\n \n \n... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "#define pb push_back\nclass Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int n=grid.size();\n int m=grid[0].size();\n vector<pair<int,int>>row;\n vector<pair<int,int>>col;\n for(int i=0;i<n;i++){\n int j=0,k=m-1;\n while(j<=k)... |
3,526 | <p>You are given an <code>m x n</code> binary matrix <code>grid</code>.</p>
<p>A row or column is considered <strong>palindromic</strong> if its values read the same forward and backward.</p>
<p>You can <strong>flip</strong> any number of cells in <code>grid</code> from <code>0</code> to <code>1</code>, or from <code... | 3 | {
"code": "class Solution {\npublic:\n int minFlips(vector<vector<int>>& grid) {\n int m = grid.size();\n int n = grid[0].size();\n int minRowFlips = 0 , minColFlips =0;\n\n auto countFlips = [](vector<int>&seq){\n int flips =0;\n int len = seq.size();\n ... |
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