結果
問題 | No.876 Range Compress Query |
ユーザー | 37zigen |
提出日時 | 2020-03-28 06:28:55 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 1,478 ms / 2,000 ms |
コード長 | 3,914 bytes |
コンパイル時間 | 2,179 ms |
コンパイル使用メモリ | 79,196 KB |
実行使用メモリ | 94,168 KB |
最終ジャッジ日時 | 2024-06-10 17:04:30 |
合計ジャッジ時間 | 15,742 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 | 117 ms
54,220 KB |
testcase_01 | AC | 183 ms
56,756 KB |
testcase_02 | AC | 140 ms
54,376 KB |
testcase_03 | AC | 189 ms
57,360 KB |
testcase_04 | AC | 180 ms
54,524 KB |
testcase_05 | AC | 165 ms
54,684 KB |
testcase_06 | AC | 186 ms
57,196 KB |
testcase_07 | AC | 198 ms
56,592 KB |
testcase_08 | AC | 208 ms
57,084 KB |
testcase_09 | AC | 197 ms
57,272 KB |
testcase_10 | AC | 181 ms
57,244 KB |
testcase_11 | AC | 1,257 ms
89,548 KB |
testcase_12 | AC | 1,154 ms
85,412 KB |
testcase_13 | AC | 1,176 ms
86,700 KB |
testcase_14 | AC | 1,241 ms
88,128 KB |
testcase_15 | AC | 1,266 ms
92,660 KB |
testcase_16 | AC | 1,402 ms
93,548 KB |
testcase_17 | AC | 1,400 ms
93,980 KB |
testcase_18 | AC | 1,478 ms
94,168 KB |
ソースコード
import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.NoSuchElementException; import java.util.Scanner; public class Main { public static void main(String[] args) throws FileNotFoundException { long t = System.currentTimeMillis(); new Main().run(); System.err.println(System.currentTimeMillis() - t); } class SegTree{ int n=1; long[][] v; public SegTree(int n_) { while(n<n_)n*=2; v=new long[2*n][3];//[F,left,right] } void add(int k,long add) { k+=n; if(k>=v.length)return; v[k][0]=1; v[k][1]+=add; v[k][2]+=add; while(k!=1) { k=k/2; v[k]=merge(v[2*k],v[2*k+1]); } } long[] merge(long[] L,long[] R) { if(L[0]==0)return R; else if(R[0]==0)return L; else return new long[] {L[0]+R[0]+(R[1]==0?-1:0),L[1],R[2]}; } int query(int a,int b) { return (int)query(1,n+1,a+1,b+1,1)[0]; } long[] query(int l,int r,int a,int b,int k) { if(r<=a||b<=l)return new long[] {0,0,0}; else if(a<=l&&r<=b)return v[k]; else { long[] vl=query(l,(l+r)/2,a,b,2*k); long[] vr=query((l+r)/2,r,a,b,2*k+1); return merge(vl,vr); } } } void run() { Scanner sc = new Scanner(System.in); int N=sc.nextInt(); int Q=sc.nextInt(); long[] A=new long[N]; for(int i=0;i<N;++i)A[i]=sc.nextLong(); SegTree seg=new SegTree(N); for(int i=0;i<N;++i) { seg.add(i, A[i]-(i>0?A[i-1]:0)); } PrintWriter pw=new PrintWriter(System.out); while(Q-->0) { int t=Integer.parseInt(sc.next()); int l=Integer.parseInt(sc.next()); int r=Integer.parseInt(sc.next()); --l;--r; if(t==1) { long x=Integer.parseInt(sc.next());; seg.add(l, x); seg.add(r+1, -x); }else { pw.println(seg.query(l, r+1)); } } 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;} private void skipUnprintable() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;} public boolean hasNext() { skipUnprintable(); 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() { return (int)nextLong(); } }