oj.uz

Submission #497780

# Submission time Handle Problem Language Result Execution time Memory
497780 2021-12-23T19:23:18 Z ERH Port Facility (JOI17_port_facility) C++14
100 / 100
 918 ms 140104 KB 
#include <iostream>
#include <vector>
using namespace std;
vector<int> temp[1000001], color(1000001, -1);
int a[1000001], b[1000001];
bool continuar=0;
void recursion(int u){
    for(int v:temp[u]){
      if(color[v]==!color[u]){
        continue;
      } else {
        if(color[v]==color[u]){
          continuar=1;
          cout<<0;
          break;
        } else {
          color[v]=!color[u];
          recursion(v);
          if(continuar){
            break;
          }
        }
      }
    }
}
int main(){
    ios_base::sync_with_stdio(0);
    cout.tie();
    cin.tie();
    int n, z=0;
    cin>>n;
    int tiempo[1+2*n];
    for(int i=1; i<=n; i++){
      cin>>a[i]>>b[i];
      tiempo[a[i]]=i;
      tiempo[b[i]]=-i;
    }
    vector<int> lista, t[2];
    for(int e=1; e<=2*n; e++){
      if(tiempo[e]>0){
        continue;
      }
      while(!lista.empty() && a[-tiempo[e]]<a[lista.back()]){
        lista.pop_back();
      }
      if(!lista.empty() && a[-tiempo[e]] < b[lista.back()]){
        temp[-tiempo[e]].push_back(lista.back());
        temp[lista.back()].push_back(-tiempo[e]);
      }
      lista.push_back(-tiempo[e]);
    }
    lista.clear();
    for(int e=2*n; e>=1; e--){
      if(tiempo[e]<0){
        continue;
      }
      while(!lista.empty() && b[lista.back()]<b[tiempo[e]]){
        lista.pop_back();
      }
      if(!lista.empty() && a[lista.back()]<b[tiempo[e]]){
        temp[tiempo[e]].push_back(lista.back());
        temp[lista.back()].push_back(tiempo[e]);
      }
      lista.push_back(tiempo[e]);
    }
    for(int i=1; i<=n; i++){
      if(color[i]!=-1){
        continue;
      }
      z++;
      color[i]=0;
      recursion(i);
      if(continuar){
        return 0;
      }
    }
    for(int e=1; e<=2*n; e++){
      if(tiempo[e]>0){
        t[color[tiempo[e]]].push_back(tiempo[e]);
      } else {
        if(t[color[-tiempo[e]]].back()==-tiempo[e]){
          t[color[-tiempo[e]]].pop_back();
        } else {
          cout<<0;
          return 0;
        }
      }
    }
    int total=1;
    for(int x=1; x<=z; x++){
      total=(2*total)%1000000007;
    }
    cout<<total<<'\n';
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 27740 KB Output is correct
2 Correct 13 ms 27712 KB Output is correct
3 Correct 13 ms 27680 KB Output is correct
4 Correct 14 ms 27728 KB Output is correct
5 Correct 13 ms 27728 KB Output is correct
6 Correct 13 ms 27728 KB Output is correct
7 Correct 13 ms 27664 KB Output is correct
8 Correct 13 ms 27728 KB Output is correct
9 Correct 13 ms 27728 KB Output is correct
10 Correct 15 ms 27728 KB Output is correct
11 Correct 14 ms 27732 KB Output is correct
12 Correct 14 ms 27700 KB Output is correct
13 Correct 13 ms 27664 KB Output is correct
14 Correct 14 ms 27728 KB Output is correct
15 Correct 15 ms 27684 KB Output is correct
16 Correct 14 ms 27728 KB Output is correct
17 Correct 14 ms 27740 KB Output is correct
18 Correct 13 ms 27664 KB Output is correct
19 Correct 14 ms 27728 KB Output is correct
20 Correct 13 ms 27728 KB Output is correct
21 Correct 14 ms 27680 KB Output is correct
22 Correct 13 ms 27740 KB Output is correct
23 Correct 14 ms 27640 KB Output is correct
24 Correct 14 ms 27664 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 27740 KB Output is correct
2 Correct 13 ms 27712 KB Output is correct
3 Correct 13 ms 27680 KB Output is correct
4 Correct 14 ms 27728 KB Output is correct
5 Correct 13 ms 27728 KB Output is correct
6 Correct 13 ms 27728 KB Output is correct
7 Correct 13 ms 27664 KB Output is correct
8 Correct 13 ms 27728 KB Output is correct
9 Correct 13 ms 27728 KB Output is correct
10 Correct 15 ms 27728 KB Output is correct
11 Correct 14 ms 27732 KB Output is correct
12 Correct 14 ms 27700 KB Output is correct
13 Correct 13 ms 27664 KB Output is correct
14 Correct 14 ms 27728 KB Output is correct
15 Correct 15 ms 27684 KB Output is correct
16 Correct 14 ms 27728 KB Output is correct
17 Correct 14 ms 27740 KB Output is correct
18 Correct 13 ms 27664 KB Output is correct
19 Correct 14 ms 27728 KB Output is correct
20 Correct 13 ms 27728 KB Output is correct
21 Correct 14 ms 27680 KB Output is correct
22 Correct 13 ms 27740 KB Output is correct
23 Correct 14 ms 27640 KB Output is correct
24 Correct 14 ms 27664 KB Output is correct
25 Correct 14 ms 27744 KB Output is correct
26 Correct 15 ms 27768 KB Output is correct
27 Correct 15 ms 27744 KB Output is correct
28 Correct 14 ms 27748 KB Output is correct
29 Correct 14 ms 27744 KB Output is correct
30 Correct 14 ms 27856 KB Output is correct
31 Correct 14 ms 27728 KB Output is correct
32 Correct 14 ms 27748 KB Output is correct
33 Correct 15 ms 27784 KB Output is correct
34 Correct 14 ms 27752 KB Output is correct
35 Correct 14 ms 27752 KB Output is correct
36 Correct 14 ms 27728 KB Output is correct
37 Correct 15 ms 27840 KB Output is correct
38 Correct 14 ms 27856 KB Output is correct
39 Correct 14 ms 27856 KB Output is correct
40 Correct 15 ms 27728 KB Output is correct
41 Correct 14 ms 27828 KB Output is correct
42 Correct 15 ms 27856 KB Output is correct
43 Correct 15 ms 27916 KB Output is correct
44 Correct 15 ms 27884 KB Output is correct

Subtask #3
56.0 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 27740 KB Output is correct
2 Correct 13 ms 27712 KB Output is correct
3 Correct 13 ms 27680 KB Output is correct
4 Correct 14 ms 27728 KB Output is correct
5 Correct 13 ms 27728 KB Output is correct
6 Correct 13 ms 27728 KB Output is correct
7 Correct 13 ms 27664 KB Output is correct
8 Correct 13 ms 27728 KB Output is correct
9 Correct 13 ms 27728 KB Output is correct
10 Correct 15 ms 27728 KB Output is correct
11 Correct 14 ms 27732 KB Output is correct
12 Correct 14 ms 27700 KB Output is correct
13 Correct 13 ms 27664 KB Output is correct
14 Correct 14 ms 27728 KB Output is correct
15 Correct 15 ms 27684 KB Output is correct
16 Correct 14 ms 27728 KB Output is correct
17 Correct 14 ms 27740 KB Output is correct
18 Correct 13 ms 27664 KB Output is correct
19 Correct 14 ms 27728 KB Output is correct
20 Correct 13 ms 27728 KB Output is correct
21 Correct 14 ms 27680 KB Output is correct
22 Correct 13 ms 27740 KB Output is correct
23 Correct 14 ms 27640 KB Output is correct
24 Correct 14 ms 27664 KB Output is correct
25 Correct 14 ms 27744 KB Output is correct
26 Correct 15 ms 27768 KB Output is correct
27 Correct 15 ms 27744 KB Output is correct
28 Correct 14 ms 27748 KB Output is correct
29 Correct 14 ms 27744 KB Output is correct
30 Correct 14 ms 27856 KB Output is correct
31 Correct 14 ms 27728 KB Output is correct
32 Correct 14 ms 27748 KB Output is correct
33 Correct 15 ms 27784 KB Output is correct
34 Correct 14 ms 27752 KB Output is correct
35 Correct 14 ms 27752 KB Output is correct
36 Correct 14 ms 27728 KB Output is correct
37 Correct 15 ms 27840 KB Output is correct
38 Correct 14 ms 27856 KB Output is correct
39 Correct 14 ms 27856 KB Output is correct
40 Correct 15 ms 27728 KB Output is correct
41 Correct 14 ms 27828 KB Output is correct
42 Correct 15 ms 27856 KB Output is correct
43 Correct 15 ms 27916 KB Output is correct
44 Correct 15 ms 27884 KB Output is correct
45 Correct 54 ms 33596 KB Output is correct
46 Correct 55 ms 33560 KB Output is correct
47 Correct 54 ms 33608 KB Output is correct
48 Correct 57 ms 33880 KB Output is correct
49 Correct 54 ms 33616 KB Output is correct
50 Correct 47 ms 33352 KB Output is correct
51 Correct 46 ms 33356 KB Output is correct
52 Correct 34 ms 31140 KB Output is correct
53 Correct 35 ms 31180 KB Output is correct
54 Correct 55 ms 37732 KB Output is correct
55 Correct 53 ms 36444 KB Output is correct
56 Correct 64 ms 36628 KB Output is correct
57 Correct 52 ms 34008 KB Output is correct
58 Correct 36 ms 30828 KB Output is correct
59 Correct 44 ms 31328 KB Output is correct
60 Correct 57 ms 32736 KB Output is correct
61 Correct 54 ms 33392 KB Output is correct
62 Correct 42 ms 32328 KB Output is correct
63 Correct 49 ms 32716 KB Output is correct
64 Correct 45 ms 33104 KB Output is correct
65 Correct 56 ms 34860 KB Output is correct
66 Correct 61 ms 34760 KB Output is correct
67 Correct 45 ms 34644 KB Output is correct
68 Correct 48 ms 34732 KB Output is correct
69 Correct 47 ms 35024 KB Output is correct
70 Correct 47 ms 35016 KB Output is correct
71 Correct 53 ms 34708 KB Output is correct
72 Correct 45 ms 34632 KB Output is correct
73 Correct 47 ms 35048 KB Output is correct
74 Correct 46 ms 35024 KB Output is correct
75 Correct 54 ms 36800 KB Output is correct
76 Correct 54 ms 38688 KB Output is correct
77 Correct 52 ms 38724 KB Output is correct
78 Correct 52 ms 33608 KB Output is correct
79 Correct 51 ms 33520 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 27740 KB Output is correct
2 Correct 13 ms 27712 KB Output is correct
3 Correct 13 ms 27680 KB Output is correct
4 Correct 14 ms 27728 KB Output is correct
5 Correct 13 ms 27728 KB Output is correct
6 Correct 13 ms 27728 KB Output is correct
7 Correct 13 ms 27664 KB Output is correct
8 Correct 13 ms 27728 KB Output is correct
9 Correct 13 ms 27728 KB Output is correct
10 Correct 15 ms 27728 KB Output is correct
11 Correct 14 ms 27732 KB Output is correct
12 Correct 14 ms 27700 KB Output is correct
13 Correct 13 ms 27664 KB Output is correct
14 Correct 14 ms 27728 KB Output is correct
15 Correct 15 ms 27684 KB Output is correct
16 Correct 14 ms 27728 KB Output is correct
17 Correct 14 ms 27740 KB Output is correct
18 Correct 13 ms 27664 KB Output is correct
19 Correct 14 ms 27728 KB Output is correct
20 Correct 13 ms 27728 KB Output is correct
21 Correct 14 ms 27680 KB Output is correct
22 Correct 13 ms 27740 KB Output is correct
23 Correct 14 ms 27640 KB Output is correct
24 Correct 14 ms 27664 KB Output is correct
25 Correct 14 ms 27744 KB Output is correct
26 Correct 15 ms 27768 KB Output is correct
27 Correct 15 ms 27744 KB Output is correct
28 Correct 14 ms 27748 KB Output is correct
29 Correct 14 ms 27744 KB Output is correct
30 Correct 14 ms 27856 KB Output is correct
31 Correct 14 ms 27728 KB Output is correct
32 Correct 14 ms 27748 KB Output is correct
33 Correct 15 ms 27784 KB Output is correct
34 Correct 14 ms 27752 KB Output is correct
35 Correct 14 ms 27752 KB Output is correct
36 Correct 14 ms 27728 KB Output is correct
37 Correct 15 ms 27840 KB Output is correct
38 Correct 14 ms 27856 KB Output is correct
39 Correct 14 ms 27856 KB Output is correct
40 Correct 15 ms 27728 KB Output is correct
41 Correct 14 ms 27828 KB Output is correct
42 Correct 15 ms 27856 KB Output is correct
43 Correct 15 ms 27916 KB Output is correct
44 Correct 15 ms 27884 KB Output is correct
45 Correct 54 ms 33596 KB Output is correct
46 Correct 55 ms 33560 KB Output is correct
47 Correct 54 ms 33608 KB Output is correct
48 Correct 57 ms 33880 KB Output is correct
49 Correct 54 ms 33616 KB Output is correct
50 Correct 47 ms 33352 KB Output is correct
51 Correct 46 ms 33356 KB Output is correct
52 Correct 34 ms 31140 KB Output is correct
53 Correct 35 ms 31180 KB Output is correct
54 Correct 55 ms 37732 KB Output is correct
55 Correct 53 ms 36444 KB Output is correct
56 Correct 64 ms 36628 KB Output is correct
57 Correct 52 ms 34008 KB Output is correct
58 Correct 36 ms 30828 KB Output is correct
59 Correct 44 ms 31328 KB Output is correct
60 Correct 57 ms 32736 KB Output is correct
61 Correct 54 ms 33392 KB Output is correct
62 Correct 42 ms 32328 KB Output is correct
63 Correct 49 ms 32716 KB Output is correct
64 Correct 45 ms 33104 KB Output is correct
65 Correct 56 ms 34860 KB Output is correct
66 Correct 61 ms 34760 KB Output is correct
67 Correct 45 ms 34644 KB Output is correct
68 Correct 48 ms 34732 KB Output is correct
69 Correct 47 ms 35024 KB Output is correct
70 Correct 47 ms 35016 KB Output is correct
71 Correct 53 ms 34708 KB Output is correct
72 Correct 45 ms 34632 KB Output is correct
73 Correct 47 ms 35048 KB Output is correct
74 Correct 46 ms 35024 KB Output is correct
75 Correct 54 ms 36800 KB Output is correct
76 Correct 54 ms 38688 KB Output is correct
77 Correct 52 ms 38724 KB Output is correct
78 Correct 52 ms 33608 KB Output is correct
79 Correct 51 ms 33520 KB Output is correct
80 Correct 768 ms 87760 KB Output is correct
81 Correct 728 ms 87912 KB Output is correct
82 Correct 732 ms 88248 KB Output is correct
83 Correct 732 ms 88356 KB Output is correct
84 Correct 718 ms 88172 KB Output is correct
85 Correct 684 ms 85828 KB Output is correct
86 Correct 667 ms 85564 KB Output is correct
87 Correct 327 ms 62144 KB Output is correct
88 Correct 330 ms 62156 KB Output is correct
89 Correct 835 ms 123776 KB Output is correct
90 Correct 832 ms 117960 KB Output is correct
91 Correct 811 ms 115608 KB Output is correct
92 Correct 726 ms 93044 KB Output is correct
93 Correct 302 ms 60048 KB Output is correct
94 Correct 550 ms 73452 KB Output is correct
95 Correct 712 ms 84712 KB Output is correct
96 Correct 751 ms 86908 KB Output is correct
97 Correct 474 ms 74948 KB Output is correct
98 Correct 648 ms 83432 KB Output is correct
99 Correct 602 ms 86176 KB Output is correct
100 Correct 836 ms 100964 KB Output is correct
101 Correct 918 ms 100900 KB Output is correct
102 Correct 590 ms 98184 KB Output is correct
103 Correct 602 ms 98324 KB Output is correct
104 Correct 677 ms 101152 KB Output is correct
105 Correct 685 ms 101144 KB Output is correct
106 Correct 613 ms 98088 KB Output is correct
107 Correct 582 ms 98272 KB Output is correct
108 Correct 673 ms 101208 KB Output is correct
109 Correct 640 ms 101248 KB Output is correct
110 Correct 868 ms 139132 KB Output is correct
111 Correct 879 ms 140104 KB Output is correct
112 Correct 830 ms 140048 KB Output is correct
113 Correct 733 ms 88468 KB Output is correct
114 Correct 757 ms 88416 KB Output is correct