Commit 62770c5

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priyanka and toys

1 parent 236ea6a commit 62770c5Copy full SHA for 62770c5

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	`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`	`+`
	`27`	`+// Complete the toys function below.`
	`28`	`+function toys(w) {`
	`29`	`+ w = w.sort((x,y)=>x-y);`
	`30`	`+ let count = 1;`
	`31`	`+ let check = w.shift() + 4;`
	`32`	`+ w.forEach(x => {`
	`33`	`+ if (x > check) {`
	`34`	`+ count++;`
	`35`	`+ check = x + 4;`
	`36`	`+ }`
	`37`	`+ });`
	`38`	`+ return count;`
	`39`	`+}`
	`40`	`+`
	`41`	`+function main() {`
	`42`	`+ const ws = fs.createWriteStream(process.env.OUTPUT_PATH);`
	`43`	`+`
	`44`	`+ const n = parseInt(readLine(), 10);`
	`45`	`+`
	`46`	`+ const w = readLine().split(' ').map(wTemp => parseInt(wTemp, 10));`
	`47`	`+`
	`48`	`+ let result = toys(w);`
	`49`	`+`
	`50`	`+ ws.write(result + "\n");`
	`51`	`+`
	`52`	`+ ws.end();`
	`53`	`+}`

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