Submission #1366337
Source Code Expand
import java.io.*; import java.math.*; import java.util.*; public class Main { private static boolean debug = false; private static boolean elapsed = false; private static PrintWriter _out = new PrintWriter(System.out); private static PrintWriter _err = new PrintWriter(System.err); private void solve(Scanner sc) { String S = sc.nextLine(); int[] addCnt = new int[S.length()]; int[] subCnt = new int[S.length()]; int add = 0; int sub = 0; List<Integer> A = new ArrayList<>(); for (int i = S.length() - 1; i >= 0; --i) { char ch = S.charAt(i); if (ch == '+') { ++add; } else if (ch == '-') { ++sub; } addCnt[i] = add; subCnt[i] = sub; if (ch == 'M') { A.add(add - sub); } } Collections.sort(A); int former = 0; int latter = 0; for (int i = 0; i < A.size() / 2; ++i) { former += A.get(i); } for (int i = A.size() / 2; i < A.size(); ++i) { latter += A.get(i); } _out.println(latter - former); } private static BigInteger C(long n, long r) { BigInteger res = BigInteger.ONE; for (long i = n; i > n - r; --i) { res = res.multiply(BigInteger.valueOf(i)); } for (long i = r; i > 1; --i) { res = res.divide(BigInteger.valueOf(i)); } return res; } private static BigInteger P(long n, long r) { BigInteger res = BigInteger.ONE; for (long i = n; i > n - r; --i) { res = res.multiply(BigInteger.valueOf(i)); } return res; } /* * 10^10 > Integer.MAX_VALUE = 2147483647 > 10^9 * 10^19 > Long.MAX_VALUE = 9223372036854775807L > 10^18 */ public static void main(String[] args) { long S = System.currentTimeMillis(); Scanner sc = new Scanner(System.in); new Main().solve(sc); _out.flush(); long G = System.currentTimeMillis(); if (elapsed) { _err.println((G - S) + "ms"); } _err.flush(); } }
Submission Info
Submission Time | |
---|---|
Task | D - ロボット |
User | hhelibex |
Language | Java8 (OpenJDK 1.8.0) |
Score | 100 |
Code Size | 2318 Byte |
Status | AC |
Exec Time | 206 ms |
Memory | 30028 KB |
Judge Result
Set Name | Sample | Subtask1 | Subtask2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 30 / 30 | 70 / 70 | ||||||
Status |
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Set Name | Test Cases |
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Sample | sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt |
Subtask1 | sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt, subtask1_21.txt, subtask1_22.txt, subtask1_23.txt, subtask1_24.txt, subtask1_25.txt, subtask1_26.txt, subtask1_27.txt, subtask1_28.txt, subtask1_29.txt, subtask1_30.txt, subtask1_31.txt, subtask1_32.txt |
Subtask2 | sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt, subtask1_21.txt, subtask1_22.txt, subtask1_23.txt, subtask1_24.txt, subtask1_25.txt, subtask1_26.txt, subtask1_27.txt, subtask1_28.txt, subtask1_29.txt, subtask1_30.txt, subtask1_31.txt, subtask1_32.txt, subtask2_01.txt, subtask2_02.txt, subtask2_03.txt, subtask2_04.txt, subtask2_05.txt, subtask2_06.txt, subtask2_07.txt, subtask2_08.txt, subtask2_09.txt, subtask2_10.txt, subtask2_11.txt, subtask2_12.txt, subtask2_13.txt, subtask2_14.txt, subtask2_15.txt, subtask2_16.txt, subtask2_17.txt, subtask2_18.txt, subtask2_19.txt, subtask2_20.txt, subtask2_21.txt, subtask2_22.txt, subtask2_23.txt, subtask2_24.txt, subtask2_25.txt, subtask2_26.txt, subtask2_27.txt, subtask2_28.txt, subtask2_29.txt, subtask2_30.txt, subtask2_31.txt, subtask2_32.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 90 ms | 18260 KB |
sample_02.txt | AC | 90 ms | 20560 KB |
sample_03.txt | AC | 90 ms | 21588 KB |
sample_04.txt | AC | 90 ms | 19024 KB |
subtask1_01.txt | AC | 88 ms | 20688 KB |
subtask1_02.txt | AC | 88 ms | 19796 KB |
subtask1_03.txt | AC | 93 ms | 20180 KB |
subtask1_04.txt | AC | 93 ms | 21972 KB |
subtask1_05.txt | AC | 92 ms | 20692 KB |
subtask1_06.txt | AC | 94 ms | 17620 KB |
subtask1_07.txt | AC | 106 ms | 20948 KB |
subtask1_08.txt | AC | 90 ms | 16980 KB |
subtask1_09.txt | AC | 93 ms | 22228 KB |
subtask1_10.txt | AC | 93 ms | 21716 KB |
subtask1_11.txt | AC | 104 ms | 19668 KB |
subtask1_12.txt | AC | 93 ms | 18900 KB |
subtask1_13.txt | AC | 103 ms | 21844 KB |
subtask1_14.txt | AC | 94 ms | 21712 KB |
subtask1_15.txt | AC | 106 ms | 21972 KB |
subtask1_16.txt | AC | 105 ms | 21844 KB |
subtask1_17.txt | AC | 97 ms | 20820 KB |
subtask1_18.txt | AC | 95 ms | 21972 KB |
subtask1_19.txt | AC | 102 ms | 19668 KB |
subtask1_20.txt | AC | 95 ms | 17748 KB |
subtask1_21.txt | AC | 104 ms | 20692 KB |
subtask1_22.txt | AC | 93 ms | 18644 KB |
subtask1_23.txt | AC | 94 ms | 20692 KB |
subtask1_24.txt | AC | 103 ms | 19668 KB |
subtask1_25.txt | AC | 94 ms | 18644 KB |
subtask1_26.txt | AC | 93 ms | 21204 KB |
subtask1_27.txt | AC | 103 ms | 18772 KB |
subtask1_28.txt | AC | 93 ms | 18900 KB |
subtask1_29.txt | AC | 102 ms | 18640 KB |
subtask1_30.txt | AC | 92 ms | 18644 KB |
subtask1_31.txt | AC | 93 ms | 21076 KB |
subtask1_32.txt | AC | 97 ms | 21588 KB |
subtask2_01.txt | AC | 178 ms | 25292 KB |
subtask2_02.txt | AC | 154 ms | 23756 KB |
subtask2_03.txt | AC | 145 ms | 26300 KB |
subtask2_04.txt | AC | 173 ms | 28228 KB |
subtask2_05.txt | AC | 177 ms | 25924 KB |
subtask2_06.txt | AC | 145 ms | 24124 KB |
subtask2_07.txt | AC | 148 ms | 24388 KB |
subtask2_08.txt | AC | 172 ms | 25548 KB |
subtask2_09.txt | AC | 158 ms | 26180 KB |
subtask2_10.txt | AC | 183 ms | 25776 KB |
subtask2_11.txt | AC | 175 ms | 26428 KB |
subtask2_12.txt | AC | 181 ms | 26572 KB |
subtask2_13.txt | AC | 178 ms | 25932 KB |
subtask2_14.txt | AC | 184 ms | 25672 KB |
subtask2_15.txt | AC | 179 ms | 27972 KB |
subtask2_16.txt | AC | 197 ms | 25148 KB |
subtask2_17.txt | AC | 187 ms | 25908 KB |
subtask2_18.txt | AC | 190 ms | 28612 KB |
subtask2_19.txt | AC | 188 ms | 28108 KB |
subtask2_20.txt | AC | 198 ms | 26000 KB |
subtask2_21.txt | AC | 206 ms | 28732 KB |
subtask2_22.txt | AC | 188 ms | 28232 KB |
subtask2_23.txt | AC | 184 ms | 25420 KB |
subtask2_24.txt | AC | 190 ms | 26316 KB |
subtask2_25.txt | AC | 184 ms | 30028 KB |
subtask2_26.txt | AC | 193 ms | 26696 KB |
subtask2_27.txt | AC | 192 ms | 26316 KB |
subtask2_28.txt | AC | 192 ms | 26180 KB |
subtask2_29.txt | AC | 189 ms | 26052 KB |
subtask2_30.txt | AC | 192 ms | 26172 KB |
subtask2_31.txt | AC | 188 ms | 25796 KB |
subtask2_32.txt | AC | 191 ms | 28364 KB |