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  1. process.stdin.resume();
  2. process.stdin.setEncoding('utf8');
  3.  
  4. var remainder = '';
  5. var inputLines = [];
  6. process.stdin.on('data', function (chunk) {
  7.     var lines = chunk.toString().split('\n');
  8.     lines.unshift(remainder + lines.shift());
  9.     remainder = lines.pop();
  10.     inputLines = inputLines.concat(lines);
  11. });
  12.  
  13. process.stdin.on('end', function () {
  14.     if (remainder) {
  15.         inputLines.push(remainder);
  16.     }
  17.  
  18.     const [N, K] = inputLines[0].split(' ').map(Number);
  19.     const arr = inputLines[1].split(' ').map(Number);
  20.  
  21.     let movimientos = 0;
  22.  
  23.     for (let i = 0; i < N; i++) {
  24.         for (let j = 0; j < N; j++) {
  25.             if (i !== j && Math.abs(arr[i] - arr[j]) <= K) {
  26.                 movimientos++;
  27.             }
  28.         }
  29.     }
  30.  
  31.     console.log(movimientos);
  32. });
  33.  
  34. // Complejidad del algoritmo: O(N^2)
  35.  
Success #stdin #stdout 0.08s 36012KB
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90
https://ideone.com/8qm8iU
language:
Node.js (node 11.12.0)
created:
94 days ago
visibility:
public

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