結果
| 問題 | No.2648 [Cherry 6th Tune D] 一次元の馬 |
| ユーザー |
 Asahi
|
| 提出日時 | 2024-02-23 22:20:04 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 483 ms / 2,000 ms |
| コード長 | 5,619 bytes |
| コンパイル時間 | 3,029 ms |
| コンパイル使用メモリ | 79,724 KB |
| 実行使用メモリ | 64,280 KB |
| 最終ジャッジ日時 | 2024-09-29 07:10:31 |
| 合計ジャッジ時間 | 12,180 ms |
|
ジャッジサーバーID （参考情報） |
judge3 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 36 |
ソースコード
import java.util.*;import java.io.*;import java.math.*;import java.util.stream.*;import java.util.function.*;class Main implements Runnable {public void solve() {int t = in.nextInt() ;while(t-->0) {int n = in.nextInt();long [] a = in.nextLong(n);long l = -1 , r = (long) 1e9;while(r - l > 1) {long mid = (l + r) / 2 ;boolean inc = true ;for(int i = 0 ; i < n - 1; i ++) {if((a[i] + ((mid) * (i + 1))) >= (a[i + 1] + ((mid) * (i + 2)))) inc = false ;}if(inc) r = mid ;else l = mid ;}out.println(r);}}/******//******/public PrintWriter out = new PrintWriter(System.out);public In in = new In() ;public static final int inf = (1 << 30);public static final long lnf = (1L << 60);public static final String yes = "Yes" , no = "No" ;public static final int mod7 = 1000000007 , mod9 = 998244353;public static final int [] dy4 = {-1,0,1,0} , dx4 = {0,1,0,-1};public static final int [] dy8 = {-1,-1,-1,0,1,1,1,0} , dx8 = {-1,0,1,1,1,0,-1,-1};public static void main(String ... args) { new Thread(null, new Main(), "", Runtime.getRuntime().maxMemory()).start(); }public void run() { solve(); out.flush(); }}class In {private final InputStream in = System.in;private final Scanner sc = new Scanner(System.in);private final byte[] buffer = new byte[1024];private int ptr = 0;private int buflen = 0;private boolean hasNextByte() {if (ptr < buflen) {return true;}else{ptr = 0;try {buflen = in.read(buffer);} catch (IOException e) {e.printStackTrace();}if (buflen <= 0) {return false;}}return true;}private int readByte() {if (hasNextByte()) return buffer[ptr++]; else return -1;}private static boolean isPrintableChar(int c) {return 33 <= c && c <= 126;}private boolean hasNext() {while(hasNextByte() && !isPrintableChar(buffer[ptr])) {ptr++;}return hasNextByte();}public String next() {if (!hasNext()) throw new NoSuchElementException();StringBuilder sb = new StringBuilder();int b = readByte();while(isPrintableChar(b)) {sb.appendCodePoint(b);b = readByte();}return sb.toString();}public long nextLong() {if (!hasNext()) throw new NoSuchElementException();long n = 0;boolean minus = false;int b = readByte();if (b == '-') {minus = true;b = readByte();}if (b < '0' || '9' < b) {throw new NumberFormatException();}while(true){if ('0' <= b && b <= '9') {n *= 10;n += b - '0';}else if(b == -1 || !isPrintableChar(b)){return minus ? -n : n;}else{throw new NumberFormatException();}b = readByte();}}public int nextInt() {long nl = nextLong();if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();return (int) nl;}public double nextDouble() {return Double.parseDouble(next());}public char nextChar() {return next().charAt(0);}public BigInteger nextBigInteger() {return sc.nextBigInteger();}public int [] nextInt(int n) {int [] array = new int[n];for(int i = 0 ; i < n ; i ++) {array[i] = nextInt();}return array ;}public int [][] nextInt(int n , int m) {int [][] array = new int[n][m];for(int i = 0 ; i < n ; i ++) {array[i] = nextInt(m);}return array ;}public long [] nextLong(int n) {long [] array = new long[n];for(int i = 0 ; i < n ; i ++) {array[i] = nextLong();}return array ;}public long [][] nextLong(int n , int m) {long [][] array = new long[n][m];for(int i = 0 ; i < n ; i ++) {array[i] = nextLong(m);}return array ;}public double [] nextDouble(int n) {double [] array = new double[n];for(int i = 0 ; i < n ; i ++) {array[i] = nextDouble();}return array ;}public String [] next(int n) {String [] array = new String[n];for(int i = 0 ; i < n ; i ++) {array[i] = next();}return array ;}public String [][] next(int n , int m) {String [][] array = new String[n][m];for(int i = 0 ; i < n ; i ++) {array[i] = next(m);}return array ;}public char [] nextChar(int n) {char [] array = new char[n];String string = next() ;for(int i = 0 ; i < n ; i ++) {array[i] = string.charAt(i);}return array ;}public char [][] nextChar(int n , int m) {char [][] array = new char[n][m];for(int i = 0 ; i < n ; i ++) {array[i] = nextChar(m);}return array ;}}