알고리즘

import java.util.Scanner; public class Main{public static void main(String[] args) {Scanner sc=new Scanner(System.in);int n = sc.nextInt();int a[] = new int[n];for (int i=0;i

import java.util.Scanner; public class Main{ public static int n=0, totaltime=0, cnt=0; public static int sl[]= new int[5000]; public static int sw[]= new int[5000]; public static void main(String[] args) { Scanner sc=new Scanner(System.in); n = sc.nextInt(); cnt=n; for (int i=0;i

import java.util.Scanner; public class Main{public static int n=5;public static int board[][]=new int[n][n];public static void main(String[] args) { Scanner sc = new Scanner(System.in); int cnt=0;for (int i=0;i

import java.util.Scanner; public class Main{public static void main(String[] args) { Scanner sc = new Scanner(System.in); int a = sc.nextInt(); int b = sc.nextInt(); for (int i=a;i

import java.util.Scanner; public class Main{public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int cnt = 0; for (int c=n;c>0;c--) { for (int b=c-1;b>0;b--) { for (int a=b-1;a>0;a--) { if (a*a+b*b==c*c) { cnt++; //System.out.println(a+" "+b+" "+c); } } } } System.out.println(cnt); sc.close();}} ---------------------------------a

import java.util.Scanner; public class Main{public static int cnt = 0;public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = n3_1(sc.nextInt()); System.out.println(n); sc.close();}public static int n3_1 (int a){cnt++;int next_a;if (a==1) return cnt;if (a%2==1) {next_a=3*a+1;} else {next_a=a/2;}//System.out.println(cnt+" "+next_a);next_a=n3_1(next_a);return next_a;}}

import java.util.Scanner; public class Main{public static int[] dictionary=new int[1000];public static int cnt = 0;public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println(rec_n(sc.nextInt())); sc.close();}public static int rec_n (int a){if (a==1) return 1;int sum = rec_n(a-1)+a;return sum;}} 이상하게 제출하면 정답이 안 뜬다.

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n=Integer.parseInt(sc.nextLine()); String b[] = sc.nextLine().split(" "); for (int i=0;i