How to Solve The Number of Weak Characters in the Game Leetcode Problem - Interview Coder Guide
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How to Solve The Number of Weak Characters in the Game Problem

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Medium#2123
LeetCode Problem

The Number of Weak Characters in the Game

You are playing a game that contains multiple characters, and each of the characters has two main properties: attack and defense. You are given a 2D integer array properties where properties[i] = [att...

ArrayStackGreedy+2 more

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Problem Breakdown

Understanding the The Number of Weak Characters in the Game Problem

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Problem Statement

You are playing a game that contains multiple characters, and each of the characters has two main properties: attack and defense. You are given a 2D integer array properties where properties[i] = [attacki, defensei] represents the properties of the ith character in the game. A character is said to be weak if any other character has both attack and defense levels strictly greater than this character's attack and defense levels. More formally, a character i is said to be weak if there exists another character j where attackj > attacki and defensej > defensei. Return the number of weak characters.

MediumProblem #2123
LeetCode

The Number of Weak Characters in the Game

Related Topics
ArrayStackGreedySortingMonotonic Stack
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Examples

Example 1
INPUT
properties = [[5,5],[6,3],[3,6]]
OUTPUT
0
EXPLANATION

No character has strictly greater attack and defense than the other.

Example 2
INPUT
properties = [[2,2],[3,3]]
OUTPUT
1
EXPLANATION

The first character is weak because the second character has a strictly greater attack and defense.

Example 3
INPUT
properties = [[1,5],[10,4],[4,3]]
OUTPUT
1
EXPLANATION

The third character is weak because the second character has a strictly greater attack and defense.

Constraints

2 <= properties.length <= 105
properties[i].length == 2
1 <= attacki, defensei <= 105

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