結果
問題 | No.734 Careful Engineer |
ユーザー |
|
提出日時 | 2020-03-17 02:19:00 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 113 ms / 2,000 ms |
コード長 | 2,656 bytes |
コンパイル時間 | 3,117 ms |
コンパイル使用メモリ | 80,588 KB |
実行使用メモリ | 41,544 KB |
最終ジャッジ日時 | 2025-01-18 00:09:03 |
合計ジャッジ時間 | 4,400 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 11 |
ソースコード
import java.io.IOException;import java.io.InputStream;import java.util.Arrays;import java.util.NoSuchElementException;import java.util.Scanner;class Main {public static void main(String[] args) {new Main().run();}void run() {Scanner sc=new Scanner(System.in);long A=sc.nextLong()*60;long B=sc.nextLong();long C=sc.nextLong()*60*60;//A*X>=C+BX//(A-B)X>=Cif(B>=A) {System.out.println(-1);}else {System.out.println((C+A-B-1)/(A-B));}}void tr(Object...objects) {System.out.println(Arrays.deepToString(objects));}}class FastScanner {private final InputStream in = 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;}public 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());}}