diff --git "a/weekly/week01/BOJ_2750_\354\210\230 \354\240\225\353\240\254\355\225\230\352\270\260/sukangpunch.java" "b/weekly/week01/BOJ_2750_\354\210\230 \354\240\225\353\240\254\355\225\230\352\270\260/sukangpunch.java" new file mode 100644 index 0000000..57a37ab --- /dev/null +++ "b/weekly/week01/BOJ_2750_\354\210\230 \354\240\225\353\240\254\355\225\230\352\270\260/sukangpunch.java" @@ -0,0 +1,61 @@ +package stduy.week01; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStreamReader; + +// 수 정렬하기 +public class BOJ_2570 { + + public static void main(String[] args) throws IOException { + BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + StringBuilder sb = new StringBuilder(); + + int N = Integer.parseInt(br.readLine()); + int [] arr = new int[N]; + for (int i = 0; i < N; i++) { + int num = Integer.parseInt(br.readLine()); + arr[i] = num; + } + +// selectionSort(arr, N); +// for(int i = 0; i < N; i++) { +// sb.append(arr[i]).append("\n"); +// } + + insertSort(arr, N); + for(int i = 0; i < N; i++) { + sb.append(arr[i]).append("\n"); + } + + System.out.println(sb); + } + + private static void insertSort(int[] arr, int n) { + int j; + for (int i = 1; i < n; i++) { + int now = arr[i]; + for(j = i-1; j >= 0 && arr[j] > now; j--) { + arr[j+1] = arr[j]; + } + arr[j+1] = now; + } + } + + private static void selectionSort(int[] arr, int n) { + int min; + for (int i = 0; i < n - 1; i++) { + min = i; + for (int j = i + 1; j < n; j++) { + if (arr[j] < arr[min]) min = j; + } + swap(arr, i, min); + } + } + + private static void swap(int[] arr, int i, int min) { + int tmp = arr[i]; + arr[i] = arr[min]; + arr[min] = tmp; + } +}