Commit 10a6c78

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add solution in rust & golang: 506. Relative Ranks

Signed-off-by: rajput-hemant <rajput.hemant2001@gmail.com>

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	`1`	`+package main`
	`2`	`+`
	`3`	`+import (`
	`4`	`+ "fmt"`
	`5`	`+ "sort"`
	`6`	`+)`
	`7`	`+`
	`8`	`+func findRelativeRanks(score []int) []string {`
	`9`	`+ sorted_score := append([]int(nil), score...)`
	`10`	`+ sort.Slice(sorted_score, func(i, j int) bool {`
	`11`	`+ return sorted_score[i] > sorted_score[j]`
	`12`	`+ })`
	`13`	`+`
	`14`	`+ rank := make(map[int]string)`
	`15`	`+`
	`16`	`+ for i, v := range sorted_score {`
	`17`	`+ switch i {`
	`18`	`+ case 0:`
	`19`	`+ rank[v] = "Gold Medal"`
	`20`	`+ case 1:`
	`21`	`+ rank[v] = "Silver Medal"`
	`22`	`+ case 2:`
	`23`	`+ rank[v] = "Bronze Medal"`
	`24`	`+ default:`
	`25`	`+ rank[v] = fmt.Sprintf("%d", i+1)`
	`26`	`+ }`
	`27`	`+ }`
	`28`	`+`
	`29`	`+ result := make([]string, len(score))`
	`30`	`+ for i, v := range score {`
	`31`	`+ result[i] = rank[v]`
	`32`	`+ }`
	`33`	`+`
	`34`	`+ return result`
	`35`	`+}`

Lines changed: 24 additions & 0 deletions

Original file line number	Diff line number	Diff line change
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	`1`	`+impl Solution {`
	`2`	`+ pub fn find_relative_ranks(score: Vec<i32>) -> Vec<String> {`
	`3`	`+ let mut score_sorted = score.clone();`
	`4`	`+ score_sorted.sort_unstable_by(\|a, b\| b.cmp(a));`
	`5`	`+`
	`6`	`+ let mut map = HashMap::new();`
	`7`	`+ for (i, s) in score_sorted.iter().enumerate() {`
	`8`	`+ map.insert(s, i + 1);`
	`9`	`+ }`
	`10`	`+`
	`11`	`+ score`
	`12`	`+ .iter()`
	`13`	`+ .map(\|s\| {`
	`14`	`+ let rank = map.get(s).unwrap();`
	`15`	`+ match rank {`
	`16`	`+ 1 => "Gold Medal".to_string(),`
	`17`	`+ 2 => "Silver Medal".to_string(),`
	`18`	`+ 3 => "Bronze Medal".to_string(),`
	`19`	`+ _ => rank.to_string(),`
	`20`	`+ }`
	`21`	`+ })`
	`22`	`+ .collect()`
	`23`	`+ }`
	`24`	`+}`

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