結果
| 問題 |
No.291 黒い文字列
|
| コンテスト | |
| ユーザー |
holeguma
|
| 提出日時 | 2015-10-18 00:38:47 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 4,487 bytes |
| コンパイル時間 | 2,473 ms |
| コンパイル使用メモリ | 79,752 KB |
| 実行使用メモリ | 59,420 KB |
| 最終ジャッジ日時 | 2024-07-21 16:47:30 |
| 合計ジャッジ時間 | 11,399 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 20 WA * 6 |
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<=20;u++){
for(int r=0;r<=20;r++){
for(int o=0;o<=20;o++){
if(dp[now][k][u][r][o]<0) continue;
dp[now^1][k][u][r][o]=Math.max(dp[now^1][k][u][r][o],dp[now][k][u][r][o]);
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);
}
}
}
}
}
}
int ans=0;
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++){
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;
}
}
}
holeguma