백준 6588번 : 골드바흐의 추측

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; public class Main { public void solution() throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); Boolean[] booleans = new Boolean[1000001]; Arrays.fill(booleans, false); booleans[0] = booleans[1] = true; for(int i=2; i

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• · 2022. 12. 28.
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백준 1929번 : 소수 구하기

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class Main { public void solution() throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(br.readLine()); int min = Integer.parseInt(st.nextToken()); int max..

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• · 2022. 12. 28.
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백준 1978번 : 소수 찾기

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class Main { public void solution() throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringBuilder sb = new StringBuilder(); Boolean[] booleans = new Boolean[1001]; Arrays.fill(booleans, false)..

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• · 2022. 12. 27.
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백준 17425번 : 약수의 합

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; public class Main { public void solution() throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringBuilder sb = new StringBuilder(); long[] numArray = new long[1000001]; Arrays.fill(numArray,1); for(int i = 2; i

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• · 2022. 12. 25.
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백준 2609번 : 최대공약수와 최소공배수

import java.io.IOException; import java.io.InputStreamReader; import java.io.BufferedReader; import java.util.Arrays; import java.util.StringTokenizer; public class Main { public void solution() throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(br.readLine()); int a = Integer.parseInt(st.nextToken()); int b = I..

• format_list_bulleted 개발/알고리즘
• · 2022. 12. 24.
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백준 17427번 : 약수의 합2

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class Main { public void solution() throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int num = Integer.parseInt(br.readLine()); sumOfDivisor(num); } public void sumOfDivisor(int n){ long result = 0; for(int i = 1; i

• format_list_bulleted 개발/알고리즘
• · 2022. 12. 23.
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