結果
問題 | No.291 黒い文字列 |
ユーザー | holeguma |
提出日時 | 2015-10-18 00:54:41 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 188 ms / 2,000 ms |
コード長 | 4,481 bytes |
コンパイル時間 | 2,060 ms |
コンパイル使用メモリ | 80,024 KB |
実行使用メモリ | 59,188 KB |
最終ジャッジ日時 | 2024-07-21 16:48:14 |
合計ジャッジ時間 | 5,934 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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 | 64 ms
53,508 KB |
testcase_01 | AC | 64 ms
53,116 KB |
testcase_02 | AC | 70 ms
53,584 KB |
testcase_03 | AC | 67 ms
53,344 KB |
testcase_04 | AC | 70 ms
53,208 KB |
testcase_05 | AC | 73 ms
53,708 KB |
testcase_06 | AC | 62 ms
53,660 KB |
testcase_07 | AC | 74 ms
53,464 KB |
testcase_08 | AC | 75 ms
53,652 KB |
testcase_09 | AC | 71 ms
53,168 KB |
testcase_10 | AC | 71 ms
53,288 KB |
testcase_11 | AC | 88 ms
54,192 KB |
testcase_12 | AC | 73 ms
53,756 KB |
testcase_13 | AC | 72 ms
53,340 KB |
testcase_14 | AC | 69 ms
53,112 KB |
testcase_15 | AC | 77 ms
53,404 KB |
testcase_16 | AC | 123 ms
56,492 KB |
testcase_17 | AC | 133 ms
57,172 KB |
testcase_18 | AC | 132 ms
57,520 KB |
testcase_19 | AC | 159 ms
57,576 KB |
testcase_20 | AC | 162 ms
59,188 KB |
testcase_21 | AC | 109 ms
55,640 KB |
testcase_22 | AC | 186 ms
58,768 KB |
testcase_23 | AC | 188 ms
57,268 KB |
testcase_24 | AC | 139 ms
57,848 KB |
testcase_25 | AC | 114 ms
56,264 KB |
testcase_26 | AC | 111 ms
55,572 KB |
testcase_27 | AC | 93 ms
54,756 KB |
testcase_28 | AC | 97 ms
55,268 KB |
testcase_29 | AC | 101 ms
55,432 KB |
ソースコード
import java.io.InputStream; import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Comparator; import java.util.InputMismatchException; import java.util.NoSuchElementException; import java.math.BigDecimal; import java.math.BigInteger; public class Main{ static PrintWriter out; static InputReader ir; static final int INF=Integer.MAX_VALUE; static final long LINF=Long.MAX_VALUE; static void solve(){ char[] s=ir.next().toCharArray(); int[][][][][] dp=new int[2][21][21][21][21]; for(int k=0;k<=20;k++){ for(int u=0;u<=20;u++){ for(int r=0;r<=20;r++){ for(int o=0;o<=20;o++){ dp[1][k][u][r][o]=dp[0][k][u][r][o]=-1; } } } } dp[0][0][0][0][0]=0; for(int i=0;i<s.length;i++){ int now=i%2; for(int k=0;k<=20;k++){ for(int u=0;u<=k;u++){ for(int r=0;r<=u;r++){ for(int o=0;o<=r;o++){ if(dp[now][k][u][r][o]<0) continue; if(s[i]=='K'||s[i]=='?'){ dp[now^1][k==20?20:k+1][u][r][o]=Math.max(dp[now^1][k==20?20:k+1][u][r][o],dp[now][k][u][r][o]); } if(s[i]=='U'||s[i]=='?'){ dp[now^1][k][u==20?20:u+1][r][o]=Math.max(dp[now^1][k][u==20?20:u+1][r][o],dp[now][k][u][r][o]); } if(s[i]=='R'||s[i]=='?'){ dp[now^1][k][u][r==20?20:r+1][o]=Math.max(dp[now^1][k][u][r==20?20:r+1][o],dp[now][k][u][r][o]); } if(s[i]=='O'||s[i]=='?'){ dp[now^1][k][u][r][o==20?20:o+1]=Math.max(dp[now^1][k][u][r][o==20?20:o+1],dp[now][k][u][r][o]); } if(s[i]=='I'||s[i]=='?'){ if(k>0&&u>0&&r>0&&o>0) dp[now^1][k-1][u-1][r-1][o-1]=Math.max(dp[now^1][k-1][u-1][r-1][o-1],dp[now][k][u][r][o]+1); } dp[now^1][k][u][r][o]=Math.max(dp[now^1][k][u][r][o],dp[now][k][u][r][o]); } } } } } int ans=0; for(int k=0;k<=20;k++){ for(int u=0;u<=k;u++){ for(int r=0;r<=u;r++){ for(int o=0;o<=r;o++){ ans=Math.max(ans,dp[s.length%2][k][u][r][o]); } } } } out.println(ans); } public static void main(String[] args) throws Exception{ ir=new InputReader(System.in); out=new PrintWriter(System.out); solve(); out.flush(); } static class InputReader { private InputStream in; private byte[] buffer=new byte[1024]; private int curbuf; private int lenbuf; public InputReader(InputStream in) {this.in=in; this.curbuf=this.lenbuf=0;} public boolean hasNextByte() { if(curbuf>=lenbuf){ curbuf= 0; try{ lenbuf=in.read(buffer); }catch(IOException e) { throw new InputMismatchException(); } if(lenbuf<=0) return false; } return true; } private int readByte(){if(hasNextByte()) return buffer[curbuf++]; else return -1;} private boolean isSpaceChar(int c){return !(c>=33&&c<=126);} private void skip(){while(hasNextByte()&&isSpaceChar(buffer[curbuf])) curbuf++;} public boolean hasNext(){skip(); return hasNextByte();} public String next(){ if(!hasNext()) throw new NoSuchElementException(); StringBuilder sb=new StringBuilder(); int b=readByte(); while(!isSpaceChar(b)){ sb.appendCodePoint(b); b=readByte(); } return sb.toString(); } public int nextInt() { if(!hasNext()) throw new NoSuchElementException(); int c=readByte(); while (isSpaceChar(c)) c=readByte(); boolean minus=false; if (c=='-') { minus=true; c=readByte(); } int res=0; do{ if(c<'0'||c>'9') throw new InputMismatchException(); res=res*10+c-'0'; c=readByte(); }while(!isSpaceChar(c)); return (minus)?-res:res; } public long nextLong() { if(!hasNext()) throw new NoSuchElementException(); int c=readByte(); while (isSpaceChar(c)) c=readByte(); boolean minus=false; if (c=='-') { minus=true; c=readByte(); } long res = 0; do{ if(c<'0'||c>'9') throw new InputMismatchException(); res=res*10+c-'0'; c=readByte(); }while(!isSpaceChar(c)); return (minus)?-res:res; } public double nextDouble(){return Double.parseDouble(next());} public BigInteger nextBigInteger(){return new BigInteger(next());} public BigDecimal nextBigDecimal(){return new BigDecimal(next());} public int[] nextIntArray(int n){ int[] a=new int[n]; for(int i=0;i<n;i++) a[i]=nextInt(); return a; } public long[] nextLongArray(int n){ long[] a=new long[n]; for(int i=0;i<n;i++) a[i]=nextLong(); return a; } public char[][] nextCharMap(int n,int m){ char[][] map=new char[n][m]; for(int i=0;i<n;i++) map[i]=next().toCharArray(); return map; } } }