結果

問題 No.1006 Share an Integer
ユーザー OlandOland
提出日時 2020-03-06 21:49:34
言語 Java21
(openjdk 21)
結果
AC  
実行時間 202 ms / 2,000 ms
コード長 6,950 bytes
コンパイル時間 4,228 ms
コンパイル使用メモリ 78,052 KB
実行使用メモリ 62,424 KB
最終ジャッジ日時 2023-08-04 09:13:47
合計ジャッジ時間 8,202 ms
ジャッジサーバーID
（参考情報） 		judge11 / judge15
このコードへのチャレンジ（β）

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 75 ms
50,588 KB
testcase_01 AC 78 ms
52,612 KB
testcase_02 AC 79 ms
52,576 KB
testcase_03 AC 88 ms
52,428 KB
testcase_04 AC 78 ms
52,428 KB
testcase_05 AC 78 ms
52,320 KB
testcase_06 AC 79 ms
52,372 KB
testcase_07 AC 78 ms
52,664 KB
testcase_08 AC 72 ms
51,328 KB
testcase_09 AC 78 ms
52,608 KB
testcase_10 AC 78 ms
52,320 KB
testcase_11 AC 144 ms
58,104 KB
testcase_12 AC 188 ms
62,336 KB
testcase_13 AC 202 ms
62,340 KB
testcase_14 AC 195 ms
61,992 KB
testcase_15 AC 177 ms
62,296 KB
testcase_16 AC 140 ms
58,336 KB
testcase_17 AC 151 ms
60,340 KB
testcase_18 AC 181 ms
62,268 KB
testcase_19 AC 175 ms
61,964 KB
testcase_20 AC 182 ms
62,424 KB
testcase_21 AC 199 ms
61,996 KB
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ソースコード

diff # 

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

@SuppressWarnings("unused")
public class Main {
    FastScanner in;
    PrintWriter out;
    final static int MOD = (int)1e9+7;
    final static long INF = Long.MAX_VALUE / 2;
    
    void solve(){
        int X = in.nextInt();
        int[] d = new int[X+1];
        for(int i = 1; i <= X; i++){
            for(int j = i; j <= X; j += i){
                d[j]++;
            }
        }
        
        ArrayList<int[]> list = new ArrayList<>();
        int min = Integer.MAX_VALUE;
        for(int A = 1; A <= X - 1; A++){
            int B = X - A;
            int v = Math.abs((A - d[A]) - (B - d[B]));
            if(v == min){
                list.add(new int[]{A, B});
            }else if(v < min){
                min = v;
                list.clear();
                list.add(new int[]{A, B});
            }
        }
        for(int[] e : list) out.println(e[0] + " " + e[1]);
    }
    
    public static void main(String[] args) {
        new Main().m();
    }
    
    private void m() {
        in = new FastScanner(System.in);
        out = new PrintWriter(System.out);
        /*
        try {
            String path = "input.txt";
            out = new PrintWriter(new BufferedWriter(new FileWriter(new File(path))));
        }catch (IOException e){
            e.printStackTrace();
        }
        */
        solve();
        out.flush();
        in.close();
        out.close();
    }
    
    static class FastScanner {
        private Reader input;
        
        public FastScanner() {this(System.in);}
        public FastScanner(InputStream stream) {this.input = new BufferedReader(new InputStreamReader(stream));}
        public void close() {
            try {
                this.input.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        
        public int nextInt() {return (int) nextLong();}
        
        public long nextLong() {
            try {
                int sign = 1;
                int b = input.read();
                while ((b < '0' || '9' < b) && b != '-' && b != '+') {
                    b = input.read();
                }
                if (b == '-') {
                    sign = -1;
                    b = input.read();
                } else if (b == '+') {
                    b = input.read();
                }
                long ret = b - '0';
                while (true) {
                    b = input.read();
                    if (b < '0' || '9' < b) return ret * sign;
                    ret *= 10;
                    ret += b - '0';
                }
            } catch (IOException e) {
                e.printStackTrace();
                return -1;
            }
        }
        
        public double nextDouble() {
            try {
                double sign = 1;
                int b = input.read();
                while ((b < '0' || '9' < b) && b != '-' && b != '+') {
                    b = input.read();
                }
                if (b == '-') {
                    sign = -1;
                    b = input.read();
                } else if (b == '+') {
                    b = input.read();
                }
                double ret = b - '0';
                while (true) {
                    b = input.read();
                    if (b < '0' || '9' < b) break;
                    ret *= 10;
                    ret += b - '0';
                }
                if (b != '.') return sign * ret;
                double div = 1;
                b = input.read();
                while ('0' <= b && b <= '9') {
                    ret *= 10;
                    ret += b - '0';
                    div *= 10;
                    b = input.read();
                }
                return sign * ret / div;
            } catch (IOException e) {
                e.printStackTrace();
                return Double.NaN;
            }
        }
        
        public char nextChar() {
            try {
                int b = input.read();
                while (Character.isWhitespace(b)) {
                    b = input.read();
                }
                return (char) b;
            } catch (IOException e) {
                e.printStackTrace();
                return 0;
            }
        }
        
        public String nextStr() {
            try {
                StringBuilder sb = new StringBuilder();
                int b = input.read();
                while (Character.isWhitespace(b)) {
                    b = input.read();
                }
                while (b != -1 && !Character.isWhitespace(b)) {
                    sb.append((char) b);
                    b = input.read();
                }
                return sb.toString();
            } catch (IOException e) {
                e.printStackTrace();
                return "";
            }
        }
        
        public String nextLine() {
            try {
                StringBuilder sb = new StringBuilder();
                int b = input.read();
                while (b != -1 && b != '\n') {
                    sb.append((char) b);
                    b = input.read();
                }
                return sb.toString();
            } catch (IOException e) {
                e.printStackTrace();
                return "";
            }
        }
        
        public int[] nextIntArray(int n) {
            int[] res = new int[n];
            for (int i = 0; i < n; i++) {
                res[i] = nextInt();
            }
            return res;
        }
        
        public int[] nextIntArrayDec(int n) {
            int[] res = new int[n];
            for (int i = 0; i < n; i++) {
                res[i] = nextInt() - 1;
            }
            return res;
        }
        
        public int[] nextIntArray1Index(int n) {
            int[] res = new int[n + 1];
            for (int i = 0; i < n; i++) {
                res[i + 1] = nextInt();
            }
            return res;
        }
        
        public long[] nextLongArray(int n) {
            long[] res = new long[n];
            for (int i = 0; i < n; i++) {
                res[i] = nextLong();
            }
            return res;
        }
        
        public long[] nextLongArrayDec(int n) {
            long[] res = new long[n];
            for (int i = 0; i < n; i++) {
                res[i] = nextLong() - 1;
            }
            return res;
        }
        
        public long[] nextLongArray1Index(int n) {
            long[] res = new long[n + 1];
            for (int i = 0; i < n; i++) {
                res[i + 1] = nextLong();
            }
            return res;
        }
        
        public double[] nextDoubleArray(int n) {
            double[] res = new double[n];
            for (int i = 0; i < n; i++) {
                res[i] = nextDouble();
            }
            return res;
        }
    }
}
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