結果
問題 | No.879 Range Mod 2 Query |
ユーザー | 37zigen |
提出日時 | 2020-08-10 17:10:47 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 2,669 ms / 3,000 ms |
コード長 | 4,682 bytes |
コンパイル時間 | 2,392 ms |
コンパイル使用メモリ | 78,764 KB |
実行使用メモリ | 131,948 KB |
最終ジャッジ日時 | 2024-10-08 00:22:06 |
合計ジャッジ時間 | 27,500 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 | 55 ms
36,836 KB |
testcase_01 | AC | 100 ms
39,752 KB |
testcase_02 | AC | 109 ms
40,688 KB |
testcase_03 | AC | 102 ms
40,300 KB |
testcase_04 | AC | 114 ms
41,512 KB |
testcase_05 | AC | 86 ms
38,384 KB |
testcase_06 | AC | 90 ms
38,740 KB |
testcase_07 | AC | 118 ms
40,680 KB |
testcase_08 | AC | 114 ms
40,052 KB |
testcase_09 | AC | 92 ms
39,468 KB |
testcase_10 | AC | 105 ms
39,916 KB |
testcase_11 | AC | 2,566 ms
129,816 KB |
testcase_12 | AC | 1,584 ms
106,772 KB |
testcase_13 | AC | 2,013 ms
115,048 KB |
testcase_14 | AC | 1,823 ms
115,772 KB |
testcase_15 | AC | 1,880 ms
89,608 KB |
testcase_16 | AC | 2,505 ms
131,820 KB |
testcase_17 | AC | 2,522 ms
131,948 KB |
testcase_18 | AC | 2,669 ms
130,984 KB |
testcase_19 | AC | 1,660 ms
104,684 KB |
testcase_20 | AC | 1,715 ms
104,580 KB |
testcase_21 | AC | 1,740 ms
105,164 KB |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayDeque; import java.util.NoSuchElementException; 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());} } class Main { public static void main(String[] args) { new Main().run(); } class Tree { int n=1; int n_; long[] sum; int[] sum_parity; ArrayDeque<Long>[] lazy; long erase=-1; public Tree(int n_) { while (n<n_) n*=2; this.n_=n_; sum=new long[2*n-1]; sum_parity=new int[2*n-1]; lazy=new ArrayDeque[2*n-1]; for (int i=0;i<lazy.length;++i) lazy[i]=new ArrayDeque<Long>(); } void push(int k,int l,int r) { while (!lazy[k].isEmpty()) { long key=lazy[k].pollFirst(); if (key==erase) { sum[k]=sum_parity[k]; } else { sum[k]+=key*(r-l); if (key%2==1) { sum_parity[k]=r-l-sum_parity[k]; } } if (2*k+1<sum.length) { if (key==erase) { for (int i=1;i<=2;++i){ long add=0; while (!lazy[2*k+i].isEmpty()) { if (lazy[2*k+i].peekLast()==erase) lazy[2*k+i].pollLast(); else { add+=lazy[2*k+i].pollLast(); } } lazy[2*k+i].addLast(add); lazy[2*k+i].addLast(erase); } } else { for (int i=1;i<=2;++i) { if (!lazy[2*k+i].isEmpty() && lazy[2*k+i].peekLast()!=erase) { lazy[2*k+i].add(lazy[2*k+i].pollLast()+key); } else { lazy[2*k+i].add(key); } } } } } } void erase(int a,int b) { query(0,n,a,b,0,erase); } void add(int a,int b,long val) { query(0,n,a,b,0,val); } long query(int a,int b) { return query(0,n,a,b,0,0); } long query(int l,int r,int a,int b,int k,long add) { push(k,l,r); if (r<=a||b<=l) return 0; else if (a<=l&&r<=b) { lazy[k].addLast(add); push(k,l,r); return sum[k]; } else { long vl=query(l,(l+r)/2,a,b,2*k+1,add); long vr=query((l+r)/2,r,a,b,2*k+2,add); sum[k]=sum[2*k+1]+sum[2*k+2]; sum_parity[k]=sum_parity[2*k+1]+sum_parity[2*k+2]; return vl+vr; } } } void run() { FastScanner sc = new FastScanner(); int N=sc.nextInt(); int Q=sc.nextInt(); Tree tree=new Tree(N); for (int i=0;i<N;++i) { long A=Integer.parseInt(sc.next()); tree.add(i, i+1, A); } PrintWriter pw=new PrintWriter(System.out); for (int i=0;i<Q;++i) { int t=sc.nextInt(); int l=sc.nextInt()-1; int r=sc.nextInt(); if (t==1) { tree.erase(l,r); } else if (t==2) { long x=sc.nextLong(); tree.add(l, r, x); } else { pw.println(tree.query(l, r)); } } pw.flush(); } }