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Leetcode73.cpp
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69 lines (60 loc) · 1.87 KB
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// Leetcode73.cpp : This file contains the 'main' function. Program execution begins and ends there.
//
#include <iostream>
#include <vector>
using namespace::std;
void setZeroes(vector<vector<int>>& matrix)
{
int n = matrix.size();
int m = matrix[0].size();
bool flag1 = false, flag2 = false;
for (int i = 0; i < n; i++) {
if (matrix[i][0] == 0) {
flag1 = true;
}
}
for (int j = 0; j < m; j++) {
if (matrix[0][j] == 0) {
flag2 = true;
}
}
for (int i = 1; i < n; i++) {
for (int j = 1; j < m; j++) {
if (matrix[i][j] == 0) {
matrix[i][0] = matrix[0][j] = 0;
}
}
}
for (int i = 1; i < n; i++) {
for (int j = 1; j < m; j++) {
if (matrix[i][0] == 0 || matrix[0][j] == 0) {
matrix[i][j] = 0;
}
}
}
if (flag1 == true) {
for (int i = 0; i < n; i++) {
matrix[i][0] = 0;
}
}
if (flag2 == true) {
for (int j = 0; j < m; j++) {
matrix[0][j] = 0;
}
}
}
int main()
{
vector<vector<int>> matrix{ {0,1,2,0}, {3,4,5,2}, {1,3,1,5} };
setZeroes(matrix);
std::cout << "Hello World!\n";
}
// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu
// Tips for Getting Started:
// 1. Use the Solution Explorer window to add/manage files
// 2. Use the Team Explorer window to connect to source control
// 3. Use the Output window to see build output and other messages
// 4. Use the Error List window to view errors
// 5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
// 6. In the future, to open this project again, go to File > Open > Project and select the .sln file