結果
問題 | No.630 門松グラフ |
ユーザー | 37zigen |
提出日時 | 2020-04-06 00:39:19 |
言語 | Java19 (openjdk 21) |
結果 |
AC
|
実行時間 | 405 ms / 1,500 ms |
コード長 | 3,305 bytes |
コンパイル時間 | 2,502 ms |
コンパイル使用メモリ | 82,704 KB |
実行使用メモリ | 65,712 KB |
最終ジャッジ日時 | 2023-09-18 02:00:55 |
合計ジャッジ時間 | 11,676 ms |
ジャッジサーバーID (参考情報) |
judge15 / judge13 |
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 | 105 ms
52,380 KB |
testcase_01 | AC | 45 ms
50,856 KB |
testcase_02 | AC | 45 ms
50,876 KB |
testcase_03 | AC | 106 ms
54,428 KB |
testcase_04 | AC | 108 ms
55,132 KB |
testcase_05 | AC | 45 ms
51,236 KB |
testcase_06 | AC | 45 ms
50,924 KB |
testcase_07 | AC | 106 ms
54,792 KB |
testcase_08 | AC | 106 ms
54,568 KB |
testcase_09 | AC | 45 ms
51,048 KB |
testcase_10 | AC | 46 ms
50,860 KB |
testcase_11 | AC | 104 ms
54,396 KB |
testcase_12 | AC | 108 ms
54,480 KB |
testcase_13 | AC | 44 ms
50,988 KB |
testcase_14 | AC | 106 ms
54,888 KB |
testcase_15 | AC | 106 ms
54,788 KB |
testcase_16 | AC | 105 ms
54,696 KB |
testcase_17 | AC | 106 ms
54,472 KB |
testcase_18 | AC | 104 ms
54,572 KB |
testcase_19 | AC | 104 ms
54,772 KB |
testcase_20 | AC | 389 ms
64,036 KB |
testcase_21 | AC | 43 ms
51,260 KB |
testcase_22 | AC | 387 ms
65,712 KB |
testcase_23 | AC | 44 ms
51,156 KB |
testcase_24 | AC | 301 ms
62,472 KB |
testcase_25 | AC | 45 ms
51,048 KB |
testcase_26 | AC | 330 ms
62,216 KB |
testcase_27 | AC | 306 ms
61,316 KB |
testcase_28 | AC | 405 ms
63,908 KB |
testcase_29 | AC | 379 ms
63,520 KB |
testcase_30 | AC | 385 ms
61,596 KB |
testcase_31 | AC | 353 ms
61,512 KB |
testcase_32 | AC | 291 ms
61,248 KB |
testcase_33 | AC | 263 ms
59,704 KB |
testcase_34 | AC | 313 ms
61,392 KB |
testcase_35 | AC | 265 ms
59,500 KB |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.NoSuchElementException; public class Main implements Runnable{ public static void main(String[] args) { new Thread(null,new Main(), "" ,Runtime.getRuntime().maxMemory()).start(); } public void run() { FastScanner sc=new FastScanner(); int N=sc.nextInt();//3<=N<=1e5 int M=sc.nextInt();//2<=M<=1e5 //N-1<=M<=m(N-m) int m=1; while(N>m&&M>m*(N-m))++m; if(N==m||N-1>M) { System.out.println("NO"); return; } ArrayList<Integer>[] g=new ArrayList[N]; for(int i=0;i<N;++i)g[i]=new ArrayList<>(); for(int i=m;i<N;++i) g[0].add(i); for(int i=1;i<m;++i) g[i].add(m); int res=M-(N-1); out:for(int i=1;i<m;++i) { for(int j=m+1;j<N;++j) { g[i].add(j); if(--res==0)break out; } } PrintWriter pw=new PrintWriter(System.out); pw.println("YES"); for(int i=1;i<=N;++i) pw.print(i+(i==N?"\n":" ")); for(int src=0;src<N;++src) { for(int dst:g[src]) { pw.println((src+1)+" "+(dst+1)); } } pw.close(); } void tr(Object...objects) {System.out.println(Arrays.deepToString(objects));} } class FastScanner { private final InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; private boolean hasNextByte() { if (ptr < buflen) { return true; }else{ ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) { return false; } } return true; } private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;} private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;} public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();} public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while(isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while(true){ if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; }else if(b == -1 || !isPrintableChar(b)){ return minus ? -n : n; }else{ throw new NumberFormatException(); } b = readByte(); } } public int nextInt() { long nl = nextLong(); if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException(); return (int) nl; } public double nextDouble() { return Double.parseDouble(next());} }