1. 题目
读题
考查点
2. 解法
思路
代码逻辑
具体实现
public class HJ091 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println(getCnt(sc.nextInt(), sc.nextInt()));
}
public static int getCnt(int m, int n) {
int[][] dp = new int[m + 1][n + 1];
dp[0][0] = 1;
for (int i = 0; i <= m; i++) {
for (int j = 0; j <= n; j++) {
if (i == 0 || j == 0) {
dp[i][j] = 1;
} else {
dp[i][j] = dp[i - 1][j] + dp[i][j - 1];
}
}
}
return dp[m][n];
}
}