๐ŸŽฒ ๋ฐฑ์ค€ 2565๋ฒˆ ์ „๊นƒ์ค„

Jeongeunยท2023๋…„ 7์›” 12์ผ
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๋ฐฑ์ค€ 2565๋ฒˆ

๐Ÿ’Š ๊ฐ€์žฅ ๊ธด ์˜ค๋ฆ„์ฐจ์ˆœ ๋ถ€๋ถ„์ˆ˜์—ด ๊ธธ์ด๋ฅผ ๊ตฌํ•˜๋Š” ๋ฌธ์ œ์ธ๋ฐ ์•„์ด๋””์–ด๋ฅผ ๋– ์˜ฌ๋ฆฌ์ง€ ๋ชปํ–ˆ๋‹ค..ใ… 
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const fs = require('fs'); 
let input = fs.readFileSync('/dev/stdin').toString().trim().split('\n');

const N = +input.shift();
input = input
  .map((item) => item.split(" ").map(Number))
  .sort((a, b) => a[0] - b[0]);

let dp = new Array(N).fill(1);
for (let i = 1; i < N; i++) {
  let max = dp[i];
  for (let j = 0; j < i; j++) {
    if (input[j][1] < input[i][1]) {
      max = Math.max(max, dp[j] + 1);
    }
  }
  dp[i] = max;
}

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

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