Choose a Maximum-Score Conflict-Free Team. Each player has the corresponding entries in scores and ages. A younger player conflicts with an older player only when the younger player’s score is strictly greater.
### Problem
Each player has the corresponding entries in `scores` and `ages`. A younger player conflicts with an older player only when the younger player’s score is strictly greater. Equal-age players never conflict. Choose a subset with no conflicting pair and return its maximum total score.
```cpp
class Solution {
public:
int bestTeamScore(vector<int>& scores, vector<int>& ages);
};
```
### Examples
**Example 1:**
```text
scores = [5,9,7], ages = [2,3,2]
Output: 21
Explanation: Both age-2 scores are at most the age-3 score, so all players can join.
```
**Example 2:**
```text
scores = [8,3,4], ages = [1,2,3]
Output: 8
Explanation: The younger score-8 player conflicts with both older players; the older pair totals only 7.
```
### Constraints
- Both arrays have equal length in `[1,1000]`.
- `1 <= scores[i] <= 10^6`.
- `1 <= ages[i] <= 1000`.
### Clarifying Questions
Age ties allow arbitrary score differences. A conflict requires a strict score advantage for the younger player.
```hint Inspect the structure
Which equal-age or equal-score combinations are permitted by the exact conflict rule?
```
### Reasoning checkpoints
- Show that every selected pair of players obeys the exact age/score conflict rule.
- Prove the maximum total without excluding legal equal-age or equal-score combinations.
### Optional extensions
How could coordinate compression and a prefix-maximum tree accelerate the quadratic recurrence?
Overview: Choose a Maximum-Score Conflict-Free Team. Each player has the corresponding entries in scores and ages. A younger player conflicts with an older player only when the younger player’s score is strictly greater.
Each player has the corresponding entries in scores and ages. A younger player conflicts with an older player only when the younger player’s score is strictly greater. Equal-age players never conflict. Choose a subset with no conflicting pair and return its maximum total score.
class Solution {
public:
int bestTeamScore(vector<int>& scores, vector<int>& ages);
};
Examples
Example 1:
scores = [5,9,7], ages = [2,3,2]
Output: 21
Explanation: Both age-2 scores are at most the age-3 score, so all players can join.
Example 2:
scores = [8,3,4], ages = [1,2,3]
Output: 8
Explanation: The younger score-8 player conflicts with both older players; the older pair totals only 7.
Constraints
Both arrays have equal length in
[1,1000]
.
1 <= scores[i] <= 10^6
.
1 <= ages[i] <= 1000
.
Clarifying Questions Guidance
Age ties allow arbitrary score differences. A conflict requires a strict score advantage for the younger player.
Reasoning checkpoints
Show that every selected pair of players obeys the exact age/score conflict rule.
Prove the maximum total without excluding legal equal-age or equal-score combinations.
Optional extensions
How could coordinate compression and a prefix-maximum tree accelerate the quadratic recurrence?