結果
問題 | No.314 ケンケンパ |
ユーザー | holeguma |
提出日時 | 2015-12-07 00:07:10 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 213 ms / 1,000 ms |
コード長 | 3,080 bytes |
コンパイル時間 | 2,322 ms |
コンパイル使用メモリ | 79,096 KB |
実行使用メモリ | 81,148 KB |
最終ジャッジ日時 | 2024-09-14 16:38:01 |
合計ジャッジ時間 | 4,755 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 213 ms
80,412 KB |
testcase_01 | AC | 54 ms
36,672 KB |
testcase_02 | AC | 53 ms
36,548 KB |
testcase_03 | AC | 52 ms
36,436 KB |
testcase_04 | AC | 54 ms
36,248 KB |
testcase_05 | AC | 53 ms
36,360 KB |
testcase_06 | AC | 54 ms
36,812 KB |
testcase_07 | AC | 53 ms
36,716 KB |
testcase_08 | AC | 54 ms
36,404 KB |
testcase_09 | AC | 53 ms
36,464 KB |
testcase_10 | AC | 54 ms
36,248 KB |
testcase_11 | AC | 53 ms
36,536 KB |
testcase_12 | AC | 54 ms
36,856 KB |
testcase_13 | AC | 53 ms
36,800 KB |
testcase_14 | AC | 54 ms
37,024 KB |
testcase_15 | AC | 56 ms
36,848 KB |
testcase_16 | AC | 59 ms
37,968 KB |
testcase_17 | AC | 81 ms
45,260 KB |
testcase_18 | AC | 137 ms
64,744 KB |
testcase_19 | AC | 206 ms
81,148 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.BigInteger; public class Main{ static PrintWriter out; static InputReader ir; static final long MOD=(long)1e9+7; static void solve(){ int n=ir.nextInt(); long [][] dp=new long[n+1][3]; dp[0][0]=1; for(int i=0;i<n;i++){ for(int j=0;j<3;j++){ if(j!=0) dp[i+1][0]=(dp[i+1][0]+dp[i][j])%MOD; if(j!=2) dp[i+1][j+1]=(dp[i+1][j+1]+dp[i][j])%MOD; } } out.println((dp[n][0]+dp[n][1]+dp[n][2])%MOD); } 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; } } }