結果
問題 | No.319 happy b1rthday 2 me |
ユーザー |
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提出日時 | 2015-12-12 04:40:55 |
言語 | Java (openjdk 23) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,258 bytes |
コンパイル時間 | 2,448 ms |
コンパイル使用メモリ | 79,024 KB |
実行使用メモリ | 36,980 KB |
最終ジャッジ日時 | 2024-09-15 08:36:16 |
合計ジャッジ時間 | 4,919 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | WA * 4 |
other | WA * 29 |
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.BigInteger;public class Main{static PrintWriter out;static InputReader ir;static void solve(){char[] a=ir.next().toCharArray();char[] b=ir.next().toCharArray();out.println(calc(b)-calc(minusOne(a)));}public static long calc(char[] s){long[][][][][][] dp=new long[2][2][2][2][2][2];dp[0][0][0][0][0][0]=0;dp[1][0][0][0][0][0]=1;for(int i=0;i<s.length;i++){int now=i%2,next=now^1,num=s[i]-'0';for(int j=0;j<2;j++){for(int ft=0;ft<2;ft++){for(int fi=0;fi<2;fi++){for(int po=0;po<2;po++){for(int k=0;k<=(j==0?num:9);k++){int next_j=j|((k==num)?0:1),next_ft=ft|((fi==0&&k==2)?1:0),next_fi=fi|((k==0)?0:1),next_po=((k==2)?1:0);dp[0][next][next_j][next_ft][next_fi][next_po]+=dp[0][now][j][ft][fi][po]+(po|((k==2)?1:0));dp[1][next][next_j][next_ft][next_fi][next_po]+=dp[1][now][j][ft][fi][po];}}}}}for(int j=0;j<2;j++){for(int k=0;k<2;k++){for(int l=0;l<2;l++){for(int m=0;m<2;m++){Arrays.fill(dp[m][now][j][k][l],0);}}}}}long ret=0;for(int i=0;i<2;i++){ret+=dp[1][s.length%2][i][1][1][1];for(int j=0;j<2;j++){for(int l=0;l<2;l++){ret+=dp[0][s.length%2][i][j][1][l];}}}if(s.length>=2||s[0]>='2') ret++;if(s[0]=='2'&&s[s.length-1]=='1') ret--;return ret;}public static char[] minusOne(char[] s){char[] ret=new char[s.length];boolean f=false;for(int i=s.length-1;i>=0;i--){if(!f){if(s[i]!='0'){ret[i]=(char)(s[i]-1);f=true;}else ret[i]='9';}else ret[i]=s[i];}return ret;}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 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;}}}