Submission #1774651
Source Code Expand
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.InputMismatchException; import java.util.NoSuchElementException; public class Main{ static PrintWriter out; static InputReader ir; static void solve(){ int n=ir.nextInt(),MAX=(int)1e5; long MOD=(long)1e9+7; int[] d=ir.nextIntArray(n); long[][] dp=new long[MAX+1][4]; for(int i=0;i<n;i++){ dp[d[i]][3]++; } for(int i=1;i<=MAX;i++){ dp[i][3]+=dp[i-1][3]; } for(int j=2;j>=0;j--){ for(int i=1;i<=MAX/2;i++){ dp[i][j]=(dp[i][3]-dp[i-1][3])*(dp[MAX][j+1]-dp[i*2-1][j+1])%MOD; } for(int i=1;i<=MAX;i++){ dp[i][j]+=dp[i-1][j]; dp[i][j]%=MOD; } } out.println(dp[MAX][0]); } 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 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; } } }
Submission Info
Submission Time | |
---|---|
Task | B - 難易度 |
User | holeguma |
Language | Java8 (OpenJDK 1.8.0) |
Score | 50 |
Code Size | 3284 Byte |
Status | WA |
Exec Time | 130 ms |
Memory | 28500 KB |
Judge Result
Set Name | Sample | Subtask1 | Subtask2 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 50 / 50 | 0 / 50 | ||||||||
Status |
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Set Name | Test Cases |
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Sample | sample_01.txt, sample_02.txt, sample_03.txt |
Subtask1 | sample_01.txt, sample_02.txt, sample_03.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 |
Subtask2 | sample_01.txt, sample_02.txt, sample_03.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, 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 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 90 ms | 26452 KB |
sample_02.txt | AC | 100 ms | 25940 KB |
sample_03.txt | AC | 101 ms | 23764 KB |
subtask1_01.txt | AC | 99 ms | 26068 KB |
subtask1_02.txt | AC | 93 ms | 25044 KB |
subtask1_03.txt | AC | 104 ms | 25172 KB |
subtask1_04.txt | AC | 105 ms | 25940 KB |
subtask1_05.txt | AC | 103 ms | 20692 KB |
subtask1_06.txt | AC | 103 ms | 23636 KB |
subtask1_07.txt | AC | 104 ms | 25684 KB |
subtask1_08.txt | AC | 104 ms | 24788 KB |
subtask1_09.txt | AC | 103 ms | 28116 KB |
subtask1_10.txt | AC | 102 ms | 25428 KB |
subtask1_11.txt | AC | 104 ms | 24660 KB |
subtask1_12.txt | AC | 105 ms | 27476 KB |
subtask1_13.txt | AC | 103 ms | 22356 KB |
subtask1_14.txt | AC | 103 ms | 22740 KB |
subtask1_15.txt | AC | 102 ms | 24660 KB |
subtask1_16.txt | AC | 103 ms | 28116 KB |
subtask1_17.txt | AC | 103 ms | 24148 KB |
subtask1_18.txt | AC | 103 ms | 24404 KB |
subtask1_19.txt | AC | 95 ms | 24020 KB |
subtask2_01.txt | AC | 115 ms | 27600 KB |
subtask2_02.txt | AC | 111 ms | 22992 KB |
subtask2_03.txt | AC | 108 ms | 26836 KB |
subtask2_04.txt | AC | 113 ms | 26452 KB |
subtask2_05.txt | AC | 110 ms | 26708 KB |
subtask2_06.txt | AC | 121 ms | 27860 KB |
subtask2_07.txt | AC | 106 ms | 26452 KB |
subtask2_08.txt | AC | 107 ms | 26196 KB |
subtask2_09.txt | AC | 120 ms | 28240 KB |
subtask2_10.txt | AC | 118 ms | 26068 KB |
subtask2_11.txt | WA | 109 ms | 26068 KB |
subtask2_12.txt | AC | 117 ms | 28500 KB |
subtask2_13.txt | AC | 113 ms | 25556 KB |
subtask2_14.txt | AC | 130 ms | 25760 KB |
subtask2_15.txt | AC | 123 ms | 28116 KB |
subtask2_16.txt | AC | 121 ms | 28116 KB |
subtask2_17.txt | AC | 121 ms | 26708 KB |
subtask2_18.txt | AC | 122 ms | 27220 KB |
subtask2_19.txt | AC | 121 ms | 26452 KB |
subtask2_20.txt | AC | 118 ms | 26068 KB |
subtask2_21.txt | AC | 106 ms | 25684 KB |