放苹果

def solve(____):
    dp = [[____] * (____) for _ in range(____)]
    for j in range(____):
        dp[____][j] = ____
    for i in range(____, m + ____):
        for j in range(____, n + ____):
            dp[i][j] = dp[i][j - ____] + (____)
    print(____)