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sparseArrays.js
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81 lines (60 loc) · 1.7 KB
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'use strict';
const fs = require('fs');
process.stdin.resume();
process.stdin.setEncoding('utf-8');
let inputString = '';
let currentLine = 0;
process.stdin.on('data', function(inputStdin) {
inputString += inputStdin;
});
process.stdin.on('end', function() {
inputString = inputString.split('\n');
main();
});
function readLine() {
return inputString[currentLine++];
}
/*
* Complete the 'matchingStrings' function below.
*
* The function is expected to return an INTEGER_ARRAY.
* The function accepts following parameters:
* 1. STRING_ARRAY strings
* 2. STRING_ARRAY queries
*/
function matchingStrings(strings, queries) {
// Write your code here
// First Answer
let result = []
queries.forEach((item)=>{
let i = 0
strings.forEach((str) => {
if(str === item)
i++
})
result.push(i)
})
return result
// Second Answer
// let result = []
// queries.forEach((query) => {result.push(strings.filter((item) => item == query).length)});
// return result;
}
function main() {
const ws = fs.createWriteStream(process.env.OUTPUT_PATH);
const stringsCount = parseInt(readLine().trim(), 10);
let strings = [];
for (let i = 0; i < stringsCount; i++) {
const stringsItem = readLine();
strings.push(stringsItem);
}
const queriesCount = parseInt(readLine().trim(), 10);
let queries = [];
for (let i = 0; i < queriesCount; i++) {
const queriesItem = readLine();
queries.push(queriesItem);
}
const res = matchingStrings(strings, queries);
ws.write(res.join('\n') + '\n');
ws.end();
}