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  1. Prepare
  2. Algorithms
  3. Strings
  4. Weighted Uniform Strings
  5. Discussions

Weighted Uniform Strings

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804 Discussions

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  • raymondt05
     + 0 comments

    un-realistic test cases used as usual

  • yashdeora98294
     + 0 comments

    Here is solution in python, java, c++, c and javascript programming - https://programmingoneonone.com/hackerrank-weighted-uniform-strings-problem-solution.html

  • mrweisu
     + 0 comments

    Pretty plain code. def weightedUniformStrings(s, queries): # Write your code here

    c2v = {
    'a': 1,
    'b': 2,
    'c': 3,
    'd': 4,
    'e': 5,
    'f': 6,
    'g': 7,
    'h': 8,
    'i': 9,
    'j': 10,
    'k': 11,
    'l': 12,
    'm': 13,
    'n': 14,
    'o': 15,
    'p': 16,
    'q': 17,
    'r': 18,
    's': 19,
    't': 20,
    'u': 21,
    'v': 22,
    'w': 23,
    'x': 24,
    'y': 25,
    'z': 26
}

collect = set()

carry = []
for si in s:
    if len(carry) == 0 or si != carry[-1]:
        carry = [si]
        collect.add(c2v[si])
    else:
        carry.append(si)
        collect.add(c2v[si]*len(carry))

ans = []
for q in queries:
    if q in collect:
        ans.append('Yes')
    else:
        ans.append('No')

return ans

  • Stronos
     + 0 comments
    function weightedUniformStrings(s: string, queries: number[]): string[] {
    const alphabet = '0abcdefghijklmnopqrstuvwxyz'.split('');
    const availWeights =  new Set<number>()
    const chop = s.split('')
    let mult = 1
    for(let i = 0; i < chop.length; i++) {
        const weight = alphabet.indexOf(chop[i]) * mult;
        availWeights.add(weight);
        if(chop[i+1] !== chop[i]) {
            mult = 1
        } else {
            mult++
        }
    }
    const result: string[] = []
    for(let query of queries) {
        availWeights.has(query) ? result.push('Yes') : result.push('No')
    }
    return result
}

  • animeshtyagi2
     + 0 comments
        public static List<String> weightedUniformStrings(String s, List<Integer> queries) {
    // Write your code here
    List<String> ans = new ArrayList<>();
    HashSet<Integer> weights = new HashSet<>();
    
    int currentweight = 0;
    char prevChar = ' ';
    
    for(int i = 0; i < s.length(); i++) {
        char currentChar = s.charAt(i);
        int charWeight = currentChar - 'a' + 1;
        
        if(currentChar == prevChar) {
            currentweight += charWeight;
        } else {
            currentweight = charWeight;
        }
        weights.add(currentweight);
        prevChar = currentChar;
    }
    
    for(int i : queries) {
            if(weights.contains(i)) {
                ans.add("Yes");
            } else {
            ans.add("No");
            }
    }
        return ans;
    }