結果
問題 | No.894 二種類のバス |
ユーザー | kitakitalily |
提出日時 | 2019-09-28 12:43:26 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 55 ms / 1,000 ms |
コード長 | 4,065 bytes |
コンパイル時間 | 2,445 ms |
コンパイル使用メモリ | 77,772 KB |
実行使用メモリ | 47,780 KB |
最終ジャッジ日時 | 2024-10-02 00:09:20 |
合計ジャッジ時間 | 4,338 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | 55 ms
47,780 KB |
testcase_01 | AC | 51 ms
36,188 KB |
testcase_02 | AC | 52 ms
36,656 KB |
testcase_03 | AC | 52 ms
36,664 KB |
testcase_04 | AC | 53 ms
36,336 KB |
testcase_05 | AC | 52 ms
36,588 KB |
testcase_06 | AC | 52 ms
36,588 KB |
testcase_07 | AC | 53 ms
36,668 KB |
testcase_08 | AC | 53 ms
36,224 KB |
testcase_09 | AC | 53 ms
36,304 KB |
testcase_10 | AC | 52 ms
36,716 KB |
testcase_11 | AC | 52 ms
36,224 KB |
testcase_12 | AC | 53 ms
36,668 KB |
testcase_13 | AC | 55 ms
36,476 KB |
testcase_14 | AC | 52 ms
36,424 KB |
testcase_15 | AC | 53 ms
36,552 KB |
testcase_16 | AC | 55 ms
36,684 KB |
testcase_17 | AC | 52 ms
36,476 KB |
testcase_18 | AC | 53 ms
36,796 KB |
testcase_19 | AC | 55 ms
36,592 KB |
ソースコード
import java.util.*; import java.io.*; public class Main { static long mod = 1000000007; static long INF = 1000000000000L; public static void main(String[] args){ FastScanner scanner = new FastScanner(); long t = scanner.nextLong(); long a = scanner.nextLong(); long b = scanner.nextLong(); long acnt = (t-1)/a; long bcnt = (t-1)/b; long g = gcd(a,b); long abcnt = acnt/(b/g); System.out.println(acnt+bcnt-abcnt+1); } public static long gcd(long n, long m){ if(m > n) return gcd(m,n); if(m == 0) return n; return gcd(m, n%m); } static class Pair implements Comparable<Pair>{ int first, second; Pair(int a, int b){ first = a; second = b; } @Override public boolean equals(Object o){ if (this == o) return true; if (!(o instanceof Pair)) return false; Pair p = (Pair) o; return first == p.first && second == p.second; } @Override public int compareTo(Pair p){ //return first == p.first ? second - p.second : first - p.first; //firstで昇順にソート //return (first == p.first ? second - p.second : first - p.first) * -1; //firstで降順にソート //return second == p.second ? first - p.first : second - p.second;//secondで昇順にソート //return (second == p.second ? first - p.first : second - p.second)*-1;//secondで降順にソート //return first * 1.0 / second > p.first * 1.0 / p.second ? 1 : -1; // first/secondの昇順にソート //return first * 1.0 / second < p.first * 1.0 / p.second ? 1 : -1; // first/secondの降順にソート //return second * 1.0 / first > p.second * 1.0 / p.first ? 1 : -1; // second/firstの昇順にソート //return second * 1.0 / first < p.second * 1.0 / p.first ? 1 : -1; // second/firstの降順にソート //return Math.atan2(second, first) > Math.atan2(p.second, p.first) ? 1 : -1; // second/firstの昇順にソート //return first + second > p.first + p.second ? 1 : -1; //first+secondの昇順にソート //return first + second < p.first + p.second ? 1 : -1; //first+secondの降順にソート return first - second < p.first - p.second ? 1 : -1; //first-secondの降順にソート } } private static 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());} } }