Submission #136213

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
136213	2019-07-25 02:38:42	mosesmayer	Wall (IOI14_wall)	C++17	100 / 100	1222 ms	162164 KiB

wall

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#include "wall.h"
#include <cstdio>
#define max(a, b) (a > b ? a : b)
#define min(a, b) (a < b ? a : b)
typedef long long LL;
const LL LINF = 1000000000LL * 1000000000LL;
const int mxsz = 2e6 + 3;
struct Node{
  LL top, bot;
  Node(){
    top = 0;
    bot = LINF;
  }
  Node operator+ (const Node &r) const{
    Node ret;
    ret.top = max(top, r.top);
    ret.bot = min(bot, r.bot);
    return ret;
  }
};
struct Seg{
  Node st[mxsz << 2];
  void prop(int p, int l, int r){
    if (l == r) return;
    for (int i = (p<<1); i <= (p<<1|1); i++){
      st[i].bot = min(st[i].bot, st[p].bot);
      st[i].bot = max(st[i].bot, st[p].top);
      st[i].top = max(st[i].top, st[p].top);
      st[i].top = min(st[i].top, st[p].bot);
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 24 / 24
• Subtask 3: 29 / 29
• Subtask 4: 39 / 39