結果
問題 |
No.1000 Point Add and Array Add
|
ユーザー |
|
提出日時 | 2020-02-29 03:18:45 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 713 ms / 2,000 ms |
コード長 | 3,771 bytes |
コンパイル時間 | 2,365 ms |
コンパイル使用メモリ | 82,316 KB |
実行使用メモリ | 64,948 KB |
最終ジャッジ日時 | 2024-10-13 19:44:59 |
合計ジャッジ時間 | 10,668 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 22 |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.NoSuchElementException; import java.util.Scanner; class Main { public static void main(String[] args) { new Main().run(); } class SegTree{ int n=1; long[] v,lazy; public SegTree(int n) { while(this.n<n)this.n*=2; v=new long[2*this.n-1]; lazy=new long[2*this.n-1]; } void push(int k) { v[k]+=lazy[k]; if(2*k+2<lazy.length) { lazy[2*k+1]+=lazy[k]; lazy[2*k+2]+=lazy[k]; } lazy[k]=0; } long query(int a,int b,long add) { return query(0,n,a,b,0,add); } long query(int l,int r,int a,int b,int k,long add) { push(k); if(a<=l&&r<=b) { lazy[k]+=add;push(k); return v[k]; } else if(r<=a||b<=l)return 0; 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); return vl+vr; } } } void run() { FastScanner sc=new FastScanner(); int N=sc.nextInt(); int Q=sc.nextInt(); long[] A=new long[N]; long[] B=new long[N]; for(int i=0;i<N;++i)A[i]=sc.nextInt(); SegTree seg=new SegTree(N); for(int i=0;i<Q;++i) { char type=sc.next().charAt(0); int x=sc.nextInt()-1; int y=sc.nextInt(); if(type=='A') { B[x]-=y*seg.query(x, x+1, 0); A[x]+=y; }else { --y; seg.query(x, y+1, 1); } } for(int i=0;i<B.length;++i) { B[i]+=seg.query(i, i+1, 0)*A[i]; } PrintWriter pw=new PrintWriter(System.out); for(int i=0;i<B.length;++i)pw.print(B[i]+(i==B.length-1?"\n":" ")); pw.close(); } static 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());} }