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_506.java
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_506.java
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package com.hit.basmath.learn.others;
/**
* 506. Relative Ranks
* <p>
* Given scores of N athletes, find their relative ranks and the people with the top three highest scores, who will be awarded medals: "Gold Medal", "Silver Medal" and "Bronze Medal".
* <p>
* Example 1:
* <p>
* Input: [5, 4, 3, 2, 1]
* <p>
* Output: ["Gold Medal", "Silver Medal", "Bronze Medal", "4", "5"]
* <p>
* Explanation: The first three athletes got the top three highest scores, so they got "Gold Medal", "Silver Medal" and "Bronze Medal".
* For the left two athletes, you just need to output their relative ranks according to their scores.
* <p>
* Note:
* <p>
* 1. N is a positive integer and won't exceed 10,000.
* 2. All the scores of athletes are guaranteed to be unique.
*/
public class _506 {
public String[] findRelativeRanks(int[] nums) {
String[] result = new String[nums.length];
int max = 0;
for (int i : nums) {
if (i > max) max = i;
}
int[] hash = new int[max + 1];
for (int i = 0; i < nums.length; i++) {
hash[nums[i]] = i + 1;
}
int place = 1;
for (int i = hash.length - 1; i >= 0; i--) {
if (hash[i] != 0) {
if (place == 1) {
result[hash[i] - 1] = "Gold Medal";
} else if (place == 2) {
result[hash[i] - 1] = "Silver Medal";
} else if (place == 3) {
result[hash[i] - 1] = "Bronze Medal";
} else {
result[hash[i] - 1] = String.valueOf(place);
}
place++;
}
}
return result;
}
}