Submission #260939

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
260939	2020-08-11 08:18:07	my99n	Wall (IOI14_wall)	C++14	100 / 100	866 ms	69688 KiB

wall

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#include "wall.h"
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 2000100;
struct A {
  int mn, mx;
} seg[4*MAXN];
int* ans, N;
void tag (int now, int mn, int mx) {
  // cerr << "tag" << now << ' ' << mn << ' ' << mx << endl;
  seg[now].mn = min(mx, max(mn, seg[now].mn));
  seg[now].mx = max(mn, min(mx, seg[now].mx));
}
void push (int now, int l, int r) {
  if (l == r) {
    ans[l] = min(seg[now].mx, max(seg[now].mn, ans[l]));
  }
  else {
    tag(now*2, seg[now].mn, seg[now].mx);
    tag(now*2+1, seg[now].mn, seg[now].mx);
  }
  seg[now].mn = 0;
  seg[now].mx = 1e9;
}
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 24 / 24
• Subtask 3: 29 / 29
• Subtask 4: 39 / 39