結果

問題 No.955 ax^2+bx+c=0
ユーザー k_6101k_6101
提出日時 2019-12-21 15:00:50
言語 Java21
(openjdk 21)
結果
WA  
実行時間 -
コード長 2,657 bytes
コンパイル時間 2,768 ms
コンパイル使用メモリ 93,504 KB
実行使用メモリ 41,600 KB
最終ジャッジ日時 2024-07-19 09:34:22
合計ジャッジ時間 19,285 ms
ジャッジサーバーID
(参考情報)
judge4 / judge3
このコードへのチャレンジ
(要ログイン)

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 113 ms
41,356 KB
testcase_01 AC 116 ms
41,472 KB
testcase_02 AC 114 ms
40,944 KB
testcase_03 AC 111 ms
41,008 KB
testcase_04 AC 110 ms
41,028 KB
testcase_05 AC 107 ms
41,192 KB
testcase_06 AC 110 ms
41,224 KB
testcase_07 AC 113 ms
40,968 KB
testcase_08 AC 111 ms
40,992 KB
testcase_09 AC 110 ms
41,100 KB
testcase_10 AC 113 ms
39,848 KB
testcase_11 AC 113 ms
40,924 KB
testcase_12 AC 106 ms
41,280 KB
testcase_13 AC 107 ms
41,052 KB
testcase_14 AC 117 ms
41,136 KB
testcase_15 AC 113 ms
41,428 KB
testcase_16 AC 101 ms
41,292 KB
testcase_17 AC 115 ms
40,960 KB
testcase_18 AC 114 ms
41,344 KB
testcase_19 AC 119 ms
41,412 KB
testcase_20 AC 124 ms
41,136 KB
testcase_21 AC 117 ms
41,340 KB
testcase_22 AC 117 ms
40,852 KB
testcase_23 AC 120 ms
41,100 KB
testcase_24 AC 116 ms
41,068 KB
testcase_25 AC 114 ms
40,972 KB
testcase_26 AC 117 ms
40,972 KB
testcase_27 AC 114 ms
41,212 KB
testcase_28 AC 104 ms
40,956 KB
testcase_29 AC 102 ms
41,080 KB
testcase_30 AC 115 ms
41,344 KB
testcase_31 AC 113 ms
40,060 KB
testcase_32 AC 119 ms
41,468 KB
testcase_33 AC 107 ms
40,972 KB
testcase_34 WA -
testcase_35 WA -
testcase_36 WA -
testcase_37 WA -
testcase_38 WA -
testcase_39 WA -
testcase_40 WA -
testcase_41 WA -
testcase_42 WA -
testcase_43 WA -
testcase_44 WA -
testcase_45 WA -
testcase_46 WA -
testcase_47 WA -
testcase_48 WA -
testcase_49 WA -
testcase_50 WA -
testcase_51 WA -
testcase_52 WA -
testcase_53 WA -
testcase_54 WA -
testcase_55 WA -
testcase_56 WA -
testcase_57 WA -
testcase_58 AC 118 ms
40,972 KB
testcase_59 AC 106 ms
40,984 KB
testcase_60 AC 112 ms
40,096 KB
testcase_61 AC 109 ms
41,208 KB
testcase_62 AC 113 ms
41,336 KB
testcase_63 AC 112 ms
41,204 KB
testcase_64 AC 111 ms
41,264 KB
testcase_65 AC 110 ms
41,228 KB
testcase_66 AC 110 ms
41,268 KB
testcase_67 AC 117 ms
41,312 KB
testcase_68 AC 116 ms
41,292 KB
testcase_69 AC 106 ms
40,984 KB
testcase_70 AC 99 ms
41,304 KB
testcase_71 AC 96 ms
41,168 KB
testcase_72 AC 113 ms
40,968 KB
testcase_73 AC 117 ms
41,236 KB
testcase_74 AC 115 ms
40,412 KB
testcase_75 AC 116 ms
41,592 KB
testcase_76 AC 113 ms
41,008 KB
testcase_77 AC 110 ms
41,392 KB
testcase_78 AC 112 ms
41,216 KB
testcase_79 AC 100 ms
41,124 KB
testcase_80 AC 116 ms
41,036 KB
testcase_81 AC 103 ms
40,944 KB
testcase_82 AC 112 ms
40,976 KB
testcase_83 AC 112 ms
41,228 KB
testcase_84 AC 113 ms
41,056 KB
testcase_85 AC 116 ms
41,528 KB
testcase_86 AC 116 ms
41,428 KB
testcase_87 AC 111 ms
41,216 KB
testcase_88 AC 99 ms
41,260 KB
testcase_89 AC 127 ms
41,216 KB
testcase_90 AC 102 ms
41,312 KB
testcase_91 AC 114 ms
41,392 KB
testcase_92 AC 105 ms
41,004 KB
testcase_93 AC 115 ms
41,500 KB
testcase_94 AC 116 ms
41,320 KB
testcase_95 AC 108 ms
41,216 KB
testcase_96 AC 117 ms
41,216 KB
testcase_97 AC 115 ms
41,388 KB
testcase_98 AC 115 ms
40,060 KB
testcase_99 AC 116 ms
41,084 KB
testcase_100 AC 114 ms
41,216 KB
testcase_101 AC 116 ms
41,056 KB
testcase_102 AC 114 ms
41,340 KB
testcase_103 AC 111 ms
41,416 KB
testcase_104 AC 114 ms
39,948 KB
testcase_105 AC 124 ms
41,296 KB
testcase_106 AC 124 ms
41,100 KB
testcase_107 AC 118 ms
41,280 KB
testcase_108 AC 113 ms
40,964 KB
testcase_109 AC 112 ms
41,100 KB
testcase_110 AC 100 ms
41,212 KB
testcase_111 AC 115 ms
41,560 KB
testcase_112 AC 120 ms
41,344 KB
testcase_113 AC 118 ms
41,320 KB
testcase_114 AC 112 ms
41,216 KB
testcase_115 AC 115 ms
41,160 KB
testcase_116 AC 109 ms
41,600 KB
testcase_117 AC 107 ms
41,496 KB
testcase_118 AC 116 ms
40,240 KB
testcase_119 AC 124 ms
41,248 KB
testcase_120 AC 123 ms
41,208 KB
testcase_121 AC 128 ms
41,180 KB
testcase_122 WA -
testcase_123 AC 112 ms
41,176 KB
testcase_124 WA -
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ソースコード

diff #

import java.io.InputStream;
import java.io.PrintWriter;
import java.lang.reflect.Array;
import java.math.BigDecimal;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.PriorityQueue;
import java.util.Queue;
import java.util.Scanner;
import java.util.Set;
import java.util.Stack;
import java.util.TreeMap;
import java.util.TreeSet;

import static java.util.Comparator.*;

public class Main {
    public static void main(String[] args) {
        PrintWriter out = new PrintWriter(System.out);
        Solver solver = new Solver(System.in, out);
        solver.solve();
        out.close();
    }
}
class Solver {
	Scanner sc;
	PrintWriter out;
    public Solver(InputStream in, PrintWriter out) {
    	sc = new Scanner(in);
    	this.out = out;
    }
    // ==================================================================
    public void solve() {
    	long A = Long.parseLong(sc.next());
    	long B = Long.parseLong(sc.next());
    	long C = Long.parseLong(sc.next());
    	if(A == 0 && B == 0) {
    		if(C == 0)	out.println(-1);
    		else 		out.println(0);
    	} else if(A == 0) {
    		out.println(1);
   			out.println(String.format("%.14f", (double)C * -1 /B));
    	} else if(B == 0) {
    		if(C == 0) {
    			out.println(1);
    			out.println(0);
    		} else if((long)A * C < 0) {
    			out.println(0);
    		} else {
    			double X = Math.sqrt((double)C*-1/A);
    			out.println(2);
       			out.println("-" + String.format("%.14f", X));
       			out.println(String.format("%.14f", X));
    		}
    	} else if(C == 0) {
    		out.println(2);
    		if(B > 0) {
    			out.println(String.format("%.14f", (double)B * -1 / A));
    			out.println(0);
    		} else {
				out.println(0);
				out.println(String.format("%.14f", (double)B * -1 / A));
    		}
    	} else if((B*B - 4*A*C) < 0) {
    		out.println(0);
    	} else {
    		double wk = Math.sqrt(B*B - 4*A*C);
    		if(wk == 0) {
    			out.println(1);
    			out.println(String.format("%.14f", ((double)B * -1) / A / 2));
    		} else {
    			out.println(2);
    			if(A > 0) {
					out.println(String.format("%.14f", ((double)B * -1 - wk) / A / 2));
					out.println(String.format("%.14f", ((double)B * -1 + wk) / A / 2));
    			} else {
					out.println(String.format("%.14f", ((double)B * -1 + wk) / A / 2));
					out.println(String.format("%.14f", ((double)B * -1 - wk) / A / 2));
    			}
    		}
    	}
    }
}

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