Submission #369459

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
369459	2021-02-21 17:43:13	pure_mem	Wall (IOI14_wall)	C++14	100 / 100	850 ms	140224 KiB

wall

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "wall.h"
#include <utility>
#include <algorithm>
#define ll long long
#define X first
#define Y second
#define MP make_pair
using namespace std;
const int N = 2e6 + 12;
const int INF = 1e6;
pair<int, int> t[N * 4], tt[N * 4];
int fin[N];
pair<int, int> merge(pair<int, int> x, pair<int, int> y){
  if(y == MP(0, INF))
    return x;
  if(y.Y <= x.X)
    return MP(x.X, x.X);
  if(x.Y <= y.X)
    return MP(x.Y, x.Y);
  if(x.X <= y.X && y.X <= x.Y)
    x.X = y.X;
  if(x.X <= y.Y && y.Y <= x.Y)
    x.Y = y.Y;
  return x;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 8 / 8
• Subtask 2: 24 / 24
• Subtask 3: 29 / 29
• Subtask 4: 39 / 39