diff --git "a/Ukj0ng/202601/03 BOJ G4 \354\232\260\354\262\264\352\265\255.md" "b/Ukj0ng/202601/03 BOJ G4 \354\232\260\354\262\264\352\265\255.md" new file mode 100644 index 00000000..b50ec433 --- /dev/null +++ "b/Ukj0ng/202601/03 BOJ G4 \354\232\260\354\262\264\352\265\255.md" @@ -0,0 +1,50 @@ +``` +import java.io.*; +import java.util.*; + +public class Main { + private static final BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + private static final BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); + private static int[][] villages; + private static int N; + private static long sum; + + public static void main(String[] args) throws IOException { + init(); + + long temp = 0; + int answer = 0; + for (int i = 0; i < N; i++) { + temp += villages[i][1]; + + if (temp >= (sum+1)/2) { + answer = villages[i][0]; + break; + } + } + + bw.write(answer + "\n"); + bw.flush(); + bw.close(); + br.close(); + } + + private static void init() throws IOException { + N = Integer.parseInt(br.readLine()); + + villages = new int[N][2]; + + for (int i = 0; i < N; i++) { + StringTokenizer st = new StringTokenizer(br.readLine()); + int x = Integer.parseInt(st.nextToken()); + int a = Integer.parseInt(st.nextToken()); + villages[i][0] = x; + villages[i][1] = a; + + sum += a; + } + + Arrays.sort(villages, (o1, o2) -> Integer.compare(o1[0], o2[0])); + } +} +```