๐ŸŽฒ ๋ฐฑ์ค€ 1049 ๊ธฐํƒ€์ค„

Jeongeunยท2023๋…„ 6์›” 14์ผ
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๋ฐฑ์ค€ 1049๋ฒˆ

๐Ÿ”” ์„ธํŠธ์—์„œ ๊ฐ€์žฅ ์ž‘์€ ๊ฐ’, ๋‚ฑ๊ฐœ์—์„œ ๊ฐ€์žฅ ์ž‘์€ ๊ฐ’์„ ๋จผ์ € ๊ตฌํ•ด์ฃผ๊ณ  ๋‚ฑ๊ฐœ๋งŒ, ์„ธํŠธ๋งŒ, ์„ธํŠธ+๋‚ฑ๊ฐœ ์ด ์„ธ๊ฐ€์ง€ ๊ฒฝ์šฐ ์ค‘ ๊ฐ€์žฅ ์ž‘์€ ๊ฒƒ์„ ๊ณจ๋ผ์ฃผ๋ฉด ๋œ๋‹ค.

์ฝ”๋“œ

const fs = require('fs'); 
const input = fs.readFileSync('/dev/stdin').toString().trim().split('\n');
const [N, M] = input.shift().split(" ").map(Number);

let package = Infinity;
let single = Infinity;

for (let i = 0; i < M; i++) {
  const [six, one] = input[i].split(" ").map(Number);
  if (package > six) {
    package = six;
  }
  if (single > one) {
    single = one;
  }
}

console.log(Math.min(
       single * N,
      Math.ceil(N / 6) * package,
      Math.floor(N / 6) * package + single * (N % 6)
    ));

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