|
| 1 | +'use strict'; |
| 2 | + |
| 3 | +const fs = require('fs'); |
| 4 | + |
| 5 | +process.stdin.resume(); |
| 6 | +process.stdin.setEncoding('utf-8'); |
| 7 | + |
| 8 | +let inputString = ''; |
| 9 | +let currentLine = 0; |
| 10 | + |
| 11 | +process.stdin.on('data', inputStdin => { |
| 12 | + inputString += inputStdin; |
| 13 | +}); |
| 14 | + |
| 15 | +process.stdin.on('end', _ => { |
| 16 | + inputString = inputString.replace(/\s*$/, '') |
| 17 | + .split('\n') |
| 18 | + .map(str => str.replace(/\s*$/, '')); |
| 19 | + |
| 20 | + main(); |
| 21 | +}); |
| 22 | + |
| 23 | +function readLine() { |
| 24 | + return inputString[currentLine++]; |
| 25 | +} |
| 26 | +function getMax(arr) { |
| 27 | + return Math.max.apply(Math, arr); |
| 28 | +} |
| 29 | +// Complete the largestPermutation function below. |
| 30 | +function largestPermutation(k, arr) { |
| 31 | + |
| 32 | + let obj = {}; |
| 33 | + arr.forEach((value, pos) => { obj[value] = pos }); |
| 34 | + |
| 35 | + let n = arr.length; |
| 36 | + for (let i = 0; i < k && i < n; i++) { |
| 37 | + let max = n-i; |
| 38 | + let maxIndex = obj[n-i]; |
| 39 | + |
| 40 | + // console.log(max, maxIndex); |
| 41 | + |
| 42 | + if (max !== arr[i]) { |
| 43 | + let start = arr[i]; |
| 44 | + arr[maxIndex] = start; |
| 45 | + arr[i] = max; |
| 46 | + |
| 47 | + obj[start] = maxIndex; |
| 48 | + obj[max] = i; |
| 49 | + |
| 50 | + } else { |
| 51 | + k++; |
| 52 | + } |
| 53 | + } |
| 54 | + // console.log(obj); |
| 55 | + return arr; |
| 56 | +} |
| 57 | + |
| 58 | +function main() { |
| 59 | + const ws = fs.createWriteStream(process.env.OUTPUT_PATH); |
| 60 | + |
| 61 | + const nk = readLine().split(' '); |
| 62 | + |
| 63 | + const n = parseInt(nk[0], 10); |
| 64 | + |
| 65 | + const k = parseInt(nk[1], 10); |
| 66 | + |
| 67 | + const arr = readLine().split(' ').map(arrTemp => parseInt(arrTemp, 10)); |
| 68 | + |
| 69 | + let result = largestPermutation(k, arr); |
| 70 | + |
| 71 | + ws.write(result.join(" ") + "\n"); |
| 72 | + |
| 73 | + ws.end(); |
| 74 | +} |
0 commit comments