#260213 (Java21) No.480 合計

• 問題: No.480 合計
• ユーザー: バイト
• 提出日時: 2018-05-25 14:59:45
• 言語: Java21 (openjdk 21)
• 結果: AC
• 実行時間: 55 ms / 2,000 ms
• コード長: 3,992 bytes
• コンパイル時間: 2,436 ms
• コンパイル使用メモリ: 80,420 KB
• 実行使用メモリ: 37,444 KB
• 最終ジャッジ日時: 2024-06-28 17:59:53
• 合計ジャッジ時間: 4,224 ms
• ジャッジサーバーID （参考情報）: judge1 / judge3

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	53 ms; 37,444 KB
testcase_01	AC	53 ms; 37,268 KB
testcase_02	AC	53 ms; 37,272 KB
testcase_03	AC	54 ms; 37,092 KB
testcase_04	AC	53 ms; 37,236 KB
testcase_05	AC	55 ms; 37,296 KB
testcase_06	AC	54 ms; 36,740 KB
testcase_07	AC	53 ms; 37,256 KB
testcase_08	AC	54 ms; 37,276 KB
testcase_09	AC	54 ms; 36,840 KB
testcase_10	AC	53 ms; 37,016 KB
testcase_11	AC	53 ms; 37,244 KB
testcase_12	AC	52 ms; 37,140 KB
testcase_13	AC	54 ms; 37,144 KB
testcase_14	AC	54 ms; 37,116 KB
testcase_15	AC	54 ms; 37,096 KB
testcase_16	AC	55 ms; 37,104 KB
testcase_17	AC	53 ms; 37,200 KB
testcase_18	AC	54 ms; 37,028 KB
testcase_19	AC	55 ms; 37,188 KB
testcase_20	AC	53 ms; 37,144 KB
testcase_21	AC	53 ms; 37,180 KB

ソースコード

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */


import java.io.*;
import java.util.*;

/**
 *
 * @author baito 
 */
public class Main
{
    static StringBuilder sb = new StringBuilder();
    static FastScanner sc = new FastScanner(System.in);
    public static void main(String[] args)
    {
        
        int N = sc.nextInt();
        //int[] A = sc.nextIntArray(N);
        int ans = (1 + N) * N /2 ;
        System.out.println(ans);
    }
    static int gcd(int n, int r) { return r == 0 ? n : gcd(r, n%r); }
    static long gcd(long n, long r) { return r == 0 ? n : gcd(r, n%r); }
	
    static <T> void swap(T[] x, int i, int j) { T t = x[i]; x[i] = x[j]; x[j] = t; }
    static void swap(int[] x, int i, int j) { int t = x[i]; x[i] = x[j]; x[j] = t; }
    
    static class FastScanner {

        private BufferedReader reader = null;
        private StringTokenizer tokenizer = null;
        
        public FastScanner(InputStream in) {
            reader = new BufferedReader(new InputStreamReader(in));
            tokenizer = null;
        }
        
        public String next() {
            if (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }
        /*public String nextChar(){
            return (char)next()[0];
        }*/
        public String nextLine() {
            if (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    return reader.readLine();
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            
            return tokenizer.nextToken("\n");
        }
        
        public long nextLong() {
            return Long.parseLong(next());
        }
        
        public int nextInt() {
            return Integer.parseInt(next());
        }
        
        public double nextDouble() {
            return Double.parseDouble(next());
        }
        
        public int[] nextIntArray(int n) {
            int[] a = new int[n];
            for (int i = 0; i < n; i++) {
                a[i] = nextInt();
            }
            return a;
        }
        public int [][] nextIntArray2(int h, int w){
            int[][] a = new int[h][w];
            for(int hi = 0 ; hi < h ; hi++){
                for(int wi = 0 ; wi < w ; wi++){
                    a[hi][wi] = nextInt();
                }
            }
            return a;
        }
        public char[] nextCharArray(int n){
            char[] a = next().toCharArray();
            
            return a;
        }
        public char[][] nextCharArray2(int h , int w){
            char[][] a = new char[h][w];
            for (int i = 0; i < h; i++) {
                a[i] = next().toCharArray();
            }
            return a;
        }
        public char[][] nextWrapCharArray2(int h , int w){
            char[][] a = new char[h + 2][w + 2];
            
            for (int i = 1; i < h + 1; i++) {
                a[i] = (" " + next() + " ").toCharArray();
            }
            return a;
        }
        
        
       
        
        public long[] nextLongArray(int n) {
            long[] a = new long[n];
            for (int i = 0; i < n; i++) {
                a[i] = nextLong();
            }
            return a;
        }
        public long [][] nextLongArray2(int h, int w){
            long[][] a = new long[h][w];
            for(int hi = 0 ; hi < h ; hi++){
                for(int wi = 0 ; wi < h ; wi++){
                    a[h][w] = nextLong();
                }
            }
            return a;
        }
    }
}