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solution.js
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solution.js
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/**
* @param {number[][]} matrix
* @return {void} Do not return anything, modify matrix in-place instead.
*/
var setZeroes = function (matrix) {
let isFirstColumn = false;
const row = matrix.length;
const column = matrix[0].length;
for (let i = 0; i < row; i++) {
if (matrix[i][0] === 0) {
isFirstColumn = true;
}
for (let j = 1; j < column; j++) {
if (matrix[i][j] === 0) {
matrix[i][0] = 0;
matrix[0][j] = 0;
}
}
}
for (let j = 1; j < column; j++) {
if (matrix[0][j] === 0) {
for (let i = 1; i < row; i++) {
matrix[i][j] = 0;
}
}
}
for (let i = 0; i < row; i++) {
if (matrix[i][0] === 0) {
for (let j = 1; j < column; j++) {
matrix[i][j] = 0;
}
}
}
if (isFirstColumn) {
for (let i = 0; i < row; i++) {
matrix[i][0] = 0;
}
}
};