結果
問題 | No.193 筒の数式 |
ユーザー | hhgfhn1 |
提出日時 | 2018-11-22 18:20:13 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,393 bytes |
コンパイル時間 | 2,170 ms |
コンパイル使用メモリ | 82,064 KB |
実行使用メモリ | 50,444 KB |
最終ジャッジ日時 | 2024-06-06 22:52:39 |
合計ジャッジ時間 | 3,953 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 | 56 ms
50,140 KB |
testcase_01 | AC | 56 ms
50,192 KB |
testcase_02 | AC | 56 ms
50,256 KB |
testcase_03 | AC | 57 ms
50,048 KB |
testcase_04 | AC | 56 ms
50,336 KB |
testcase_05 | AC | 57 ms
49,872 KB |
testcase_06 | AC | 58 ms
50,296 KB |
testcase_07 | AC | 58 ms
50,132 KB |
testcase_08 | AC | 58 ms
50,276 KB |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | AC | 58 ms
50,432 KB |
testcase_12 | AC | 57 ms
50,184 KB |
testcase_13 | AC | 57 ms
50,048 KB |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.util.NoSuchElementException; public class Main { public static void main(String args[]) { FastScanner scanner = new FastScanner(); String s=scanner.next(); int max=eval(s); for(int i=1;i<s.length();i++) { String tmp1=s.substring(0, i); String tmp2=s.substring(i,s.length()); String after=tmp2+tmp1; int tmp=0; if(check(after)) { tmp=eval(after); } max=Math.max(max, tmp); } System.out.println(max); } private static int eval(String after) { String x[] = after.split("[+-]"); String op[] = after.split("[0-9]+"); int sum = 0; if (op[0].equals("")) { sum = Integer.parseInt(x[0]); for (int i = 1; i < x.length; i++) { if (op[i].equals("+")) { sum += Integer.parseInt(x[i]); } else { sum -= Integer.parseInt(x[i]); } } }else { sum = Integer.parseInt(x[1]); for (int i = 2; i < x.length; i++) { if (op[i-2].equals("+")) { sum += Integer.parseInt(x[i]); } else { sum -= Integer.parseInt(x[i]); } } } return sum; } private static boolean check(String after) { if (after.charAt(0) == '+' || after.charAt(after.length() - 1) == '+' || after.charAt(after.length() - 1) == '-') { return false; } return true; } } 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());} }