Submission #983528

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
983528	2024-05-15 15:43:19	Nomio	XORanges (eJOI19_xoranges)	C++17	100 / 100	116 ms	11624 KiB

xoranges

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#include <bits/stdc++.h>
#define meta int tm = tl + (tr - tl) / 2, x = (i << 1) + 1, y = x + 1
using namespace std;
int st1[800001] {}, st2[800001] {};
void update1(int i, int tl, int tr, int l, int v) {
  if(tl == tr) {
    st1[i] = v;
    return;
  }
  meta;
  if(l <= tm) {
    update1(x, tl, tm, l, v);
  } else {
    update1(y, tm + 1, tr, l, v);
  }
  st1[i] = (st1[x] ^ st1[y]);
}
void update2(int i, int tl, int tr, int l, int v) {
  if(tl == tr) {
    st2[i] = v;
    return;
  }
  meta;
  if(l <= tm) {
    update2(x, tl, tm, l, v);
  } else {
    update2(y, tm + 1, tr, l, v);
  }
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 18 / 18
• Subtask 3: 25 / 25
• Subtask 4: 20 / 20
• Subtask 5: 25 / 25