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Leetcode62.cpp
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50 lines (40 loc) · 1.4 KB
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// Leetcode62.cpp : This file contains the 'main' function. Program execution begins and ends there.
//
#include <iostream>
#include <vector>
using namespace::std;
int uniquePaths(int m, int n)
{
/*vector<vector<int>> grid;
vector<int> line(n,0);
for(int i=0;i<m;++i)
{
grid.push_back(line);
}*/
vector<vector<int>> grid(m, vector<int>(n, 0));
grid[0][0] = 1;
for (int row = 0; row < m; ++row)
{
for (int col = 0; col < n; ++col)
{
int up = row - 1 >= 0 ? grid[row - 1][col] : 0;
int left = col - 1 >= 0 ? grid[row][col - 1] : 0;
grid[row][col] += up + left;
}
}
return grid[m - 1][n - 1];
}
int main()
{
int res = uniquePaths(3, 7);
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