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Jeongeunยท2023๋…„ 6์›” 29์ผ
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๋ฐฑ์ค€ 11722๋ฒˆ

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const fs = require('fs'); 
const input = fs.readFileSync('/dev/stdin').toString().trim().split('\n');

const N = +input.shift();
const arr = input[0].split(" ").map(Number);

const dp = new Array(N).fill(1);

for (let i = 1; i < N; i++) {
    let max = dp[i];
  for (let j = i; j >= 0; j--) {
    if (arr[i] < arr[j]) {
      max = Math.max(max, dp[i] + dp[j]);
    }
  }
  dp[i]=max;
}

console.log(Math.max(...dp));

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