LeetCode 2929: Distribute Candies Among Children II Solution
Master LeetCode problem 2929 (Distribute Candies Among Children II), a medium challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.
2929. Distribute Candies Among Children II
Problem Explanation
Explanation:
To solve this problem, we can iterate through all possible ways to distribute candies among the 3 children. We can use a nested loop for this purpose. The outer loop will iterate through the number of candies given to the first child, while the inner loop will iterate through the number of candies given to the second child.
For each combination of candies given to the first two children, we can calculate the number of candies left for the third child and check if it is within the limit. If it is within the limit, we increment the total ways by 1.
The time complexity of this approach is O(n^2) where n is the total number of candies. The space complexity is O(1).
:
Solution Code
class Solution {
public int waysToDistribute(int n, int limit) {
int MOD = 1000000007;
long res = 0;
for (int i = 0; i <= n; i++) {
for (int j = 0; j <= n - i; j++) {
int k = n - i - j;
if (k >= 0 && k <= limit) {
res = (res + 1) % MOD;
}
}
}
return (int) res;
}
}Try It Yourself
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