結果
問題 | No.185 和風 |
ユーザー | threepipes_s |
提出日時 | 2015-04-19 23:23:33 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 85 ms / 1,000 ms |
コード長 | 2,709 bytes |
コンパイル時間 | 2,494 ms |
コンパイル使用メモリ | 79,204 KB |
実行使用メモリ | 38,592 KB |
最終ジャッジ日時 | 2024-07-04 18:18:49 |
合計ジャッジ時間 | 3,252 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 56 ms
36,828 KB |
testcase_01 | AC | 83 ms
38,224 KB |
testcase_02 | AC | 85 ms
38,372 KB |
testcase_03 | AC | 76 ms
37,960 KB |
testcase_04 | AC | 85 ms
38,144 KB |
testcase_05 | AC | 52 ms
37,016 KB |
testcase_06 | AC | 75 ms
38,592 KB |
ソースコード
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Comparator; import java.util.HashMap; import java.util.HashSet; import java.util.LinkedList; import java.util.Queue; import java.util.Random; public class Main { public static char[][] board; public static int[][][][] dp; public static void main(String[] args) throws NumberFormatException, IOException { ContestScanner in = new ContestScanner(); int n = in.nextInt(); int ans = 0; for(int i=0; i<n; i++){ int x = in.nextInt(); int y = in.nextInt(); if(i==0) ans = y-x; else if(y-x != ans) ans = -1; } System.out.println(ans>0?ans:-1); } } class Node{ int id; HashSet<Node> edge = new HashSet<Node>(); public Node(int id) { this.id = id; } public void createEdge(Node node) { edge.add(node); } } class MyComp implements Comparator<int[]> { final int idx; public MyComp(int idx){ this.idx = idx; } public int compare(int[] a, int[] b) { return a[idx] - b[idx]; } } class Reverse implements Comparator<Integer> { public int compare(Integer arg0, Integer arg1) { return arg1 - arg0; } } class ContestWriter { private PrintWriter out; public ContestWriter(String filename) throws IOException { out = new PrintWriter(new BufferedWriter(new FileWriter(filename))); } public ContestWriter() throws IOException { out = new PrintWriter(System.out); } public void println(String str) { out.println(str); } public void print(String str) { out.print(str); } public void close() { out.close(); } } class ContestScanner { private BufferedReader reader; private String[] line; private int idx; public ContestScanner() throws FileNotFoundException { reader = new BufferedReader(new InputStreamReader(System.in)); } public ContestScanner(String filename) throws FileNotFoundException { reader = new BufferedReader(new InputStreamReader(new FileInputStream( filename))); } public String nextToken() throws IOException { if (line == null || line.length <= idx) { line = reader.readLine().trim().split(" "); idx = 0; } return line[idx++]; } public String readLine() throws IOException{ return reader.readLine(); } public long nextLong() throws IOException, NumberFormatException { return Long.parseLong(nextToken()); } public int nextInt() throws NumberFormatException, IOException { return (int) nextLong(); } public double nextDouble() throws NumberFormatException, IOException { return Double.parseDouble(nextToken()); } }