oj.uz

Submission #167021

# Submission time Handle Problem Language Result Execution time Memory
167021 2019-12-05T09:30:52 Z theStaticMind Port Facility (JOI17_port_facility) C++14
100 / 100
 3280 ms 132500 KB 
#include<bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define ii pair<int,int>
#define all(x) (x).begin(),(x).end()
#define INF 100000000000000000
#define modulo 1000000007
#define mod 998244353
#define int long long int
using namespace std;
vector<int>no(2000004);
vector<pair<int,ii>> arr;
int F(int x){
      if(x==no[x])return x;
      return no[x]=F(no[x]);
}
bool merge(int x,int y){
      x=F(x);
      y=F(y);
      if(x==y)return false;
      no[x]=y;
      return true;
}
int32_t main(){
      ios_base::sync_with_stdio(false);
      cin.tie(NULL);
   //   freopen("q.gir","r",stdin);
   //   freopen("q.cik","w",stdout);
      int n,ans=1;
      for(int i=0;i<no.size();i++)no[i]=i;
      cin>>n;
      for(int i=1;i<=n;i++){
            int a,b;
            cin>>a>>b;
            arr.pb({a,{b,i}});
      }
      sort(all(arr));
      set<ii>data;
      for(int i=0;i<arr.size();i++){
            int x=arr[i].first,y=arr[i].second.first,id=arr[i].second.second;
            set<ii>::iterator ptr=data.upper_bound({y,0});
            for(set<ii>::iterator itr=data.lower_bound({x,0});itr!=ptr;itr++){
                  merge(itr->second+n,id);
                  merge(itr->second,id+n);
                  if(F(itr->second)==F(prev(ptr)->second))break;
            }
            data.insert({y,id});
      }
      for(int i=1;i<=n;i++){
            if(F(i)==F(i+n))ans=0;
            if(F(i)==i)ans=ans*2%modulo;
      }
      cout<<ans;
}

Compilation message

port_facility.cpp: In function 'int32_t main()':
port_facility.cpp:30:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       for(int i=0;i<no.size();i++)no[i]=i;
                   ~^~~~~~~~~~
port_facility.cpp:39:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       for(int i=0;i<arr.size();i++){
                   ~^~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 15992 KB Output is correct
2 Correct 18 ms 15992 KB Output is correct
3 Correct 19 ms 15992 KB Output is correct
4 Correct 18 ms 15992 KB Output is correct
5 Correct 18 ms 15992 KB Output is correct
6 Correct 18 ms 15992 KB Output is correct
7 Correct 18 ms 15996 KB Output is correct
8 Correct 17 ms 15988 KB Output is correct
9 Correct 18 ms 16012 KB Output is correct
10 Correct 19 ms 15992 KB Output is correct
11 Correct 18 ms 15992 KB Output is correct
12 Correct 18 ms 15992 KB Output is correct
13 Correct 18 ms 15992 KB Output is correct
14 Correct 17 ms 15992 KB Output is correct
15 Correct 18 ms 15992 KB Output is correct
16 Correct 17 ms 15992 KB Output is correct
17 Correct 18 ms 15992 KB Output is correct
18 Correct 18 ms 15992 KB Output is correct
19 Correct 18 ms 15992 KB Output is correct
20 Correct 18 ms 15992 KB Output is correct
21 Correct 19 ms 15992 KB Output is correct
22 Correct 18 ms 15992 KB Output is correct
23 Correct 19 ms 15992 KB Output is correct
24 Correct 19 ms 15992 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 15992 KB Output is correct
2 Correct 18 ms 15992 KB Output is correct
3 Correct 19 ms 15992 KB Output is correct
4 Correct 18 ms 15992 KB Output is correct
5 Correct 18 ms 15992 KB Output is correct
6 Correct 18 ms 15992 KB Output is correct
7 Correct 18 ms 15996 KB Output is correct
8 Correct 17 ms 15988 KB Output is correct
9 Correct 18 ms 16012 KB Output is correct
10 Correct 19 ms 15992 KB Output is correct
11 Correct 18 ms 15992 KB Output is correct
12 Correct 18 ms 15992 KB Output is correct
13 Correct 18 ms 15992 KB Output is correct
14 Correct 17 ms 15992 KB Output is correct
15 Correct 18 ms 15992 KB Output is correct
16 Correct 17 ms 15992 KB Output is correct
17 Correct 18 ms 15992 KB Output is correct
18 Correct 18 ms 15992 KB Output is correct
19 Correct 18 ms 15992 KB Output is correct
20 Correct 18 ms 15992 KB Output is correct
21 Correct 19 ms 15992 KB Output is correct
22 Correct 18 ms 15992 KB Output is correct
23 Correct 19 ms 15992 KB Output is correct
24 Correct 19 ms 15992 KB Output is correct
25 Correct 21 ms 16120 KB Output is correct
26 Correct 20 ms 16248 KB Output is correct
27 Correct 20 ms 16248 KB Output is correct
28 Correct 20 ms 16120 KB Output is correct
29 Correct 19 ms 16120 KB Output is correct
30 Correct 20 ms 16248 KB Output is correct
31 Correct 21 ms 16120 KB Output is correct
32 Correct 21 ms 16248 KB Output is correct
33 Correct 21 ms 16248 KB Output is correct
34 Correct 23 ms 16248 KB Output is correct
35 Correct 20 ms 16120 KB Output is correct
36 Correct 19 ms 16248 KB Output is correct
37 Correct 21 ms 16248 KB Output is correct
38 Correct 20 ms 16220 KB Output is correct
39 Correct 20 ms 16248 KB Output is correct
40 Correct 20 ms 16120 KB Output is correct
41 Correct 19 ms 16120 KB Output is correct
42 Correct 20 ms 16120 KB Output is correct
43 Correct 19 ms 16124 KB Output is correct
44 Correct 79 ms 16248 KB Output is correct

Subtask #3
56.0 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 15992 KB Output is correct
2 Correct 18 ms 15992 KB Output is correct
3 Correct 19 ms 15992 KB Output is correct
4 Correct 18 ms 15992 KB Output is correct
5 Correct 18 ms 15992 KB Output is correct
6 Correct 18 ms 15992 KB Output is correct
7 Correct 18 ms 15996 KB Output is correct
8 Correct 17 ms 15988 KB Output is correct
9 Correct 18 ms 16012 KB Output is correct
10 Correct 19 ms 15992 KB Output is correct
11 Correct 18 ms 15992 KB Output is correct
12 Correct 18 ms 15992 KB Output is correct
13 Correct 18 ms 15992 KB Output is correct
14 Correct 17 ms 15992 KB Output is correct
15 Correct 18 ms 15992 KB Output is correct
16 Correct 17 ms 15992 KB Output is correct
17 Correct 18 ms 15992 KB Output is correct
18 Correct 18 ms 15992 KB Output is correct
19 Correct 18 ms 15992 KB Output is correct
20 Correct 18 ms 15992 KB Output is correct
21 Correct 19 ms 15992 KB Output is correct
22 Correct 18 ms 15992 KB Output is correct
23 Correct 19 ms 15992 KB Output is correct
24 Correct 19 ms 15992 KB Output is correct
25 Correct 21 ms 16120 KB Output is correct
26 Correct 20 ms 16248 KB Output is correct
27 Correct 20 ms 16248 KB Output is correct
28 Correct 20 ms 16120 KB Output is correct
29 Correct 19 ms 16120 KB Output is correct
30 Correct 20 ms 16248 KB Output is correct
31 Correct 21 ms 16120 KB Output is correct
32 Correct 21 ms 16248 KB Output is correct
33 Correct 21 ms 16248 KB Output is correct
34 Correct 23 ms 16248 KB Output is correct
35 Correct 20 ms 16120 KB Output is correct
36 Correct 19 ms 16248 KB Output is correct
37 Correct 21 ms 16248 KB Output is correct
38 Correct 20 ms 16220 KB Output is correct
39 Correct 20 ms 16248 KB Output is correct
40 Correct 20 ms 16120 KB Output is correct
41 Correct 19 ms 16120 KB Output is correct
42 Correct 20 ms 16120 KB Output is correct
43 Correct 19 ms 16124 KB Output is correct
44 Correct 79 ms 16248 KB Output is correct
45 Correct 119 ms 25796 KB Output is correct
46 Correct 114 ms 25896 KB Output is correct
47 Correct 120 ms 25828 KB Output is correct
48 Correct 123 ms 25828 KB Output is correct
49 Correct 122 ms 25828 KB Output is correct
50 Correct 117 ms 25892 KB Output is correct
51 Correct 120 ms 25832 KB Output is correct
52 Correct 129 ms 25884 KB Output is correct
53 Correct 122 ms 25896 KB Output is correct
54 Correct 138 ms 26808 KB Output is correct
55 Correct 140 ms 26600 KB Output is correct
56 Correct 138 ms 26644 KB Output is correct
57 Correct 138 ms 25804 KB Output is correct
58 Correct 127 ms 25956 KB Output is correct
59 Correct 103 ms 25832 KB Output is correct
60 Correct 112 ms 25832 KB Output is correct
61 Correct 113 ms 25828 KB Output is correct
62 Correct 107 ms 26324 KB Output is correct
63 Correct 115 ms 26056 KB Output is correct
64 Correct 115 ms 25956 KB Output is correct
65 Correct 188 ms 25956 KB Output is correct
66 Correct 214 ms 25884 KB Output is correct
67 Correct 150 ms 26216 KB Output is correct
68 Correct 151 ms 26040 KB Output is correct
69 Correct 148 ms 26056 KB Output is correct
70 Correct 147 ms 26072 KB Output is correct
71 Correct 147 ms 26596 KB Output is correct
72 Correct 156 ms 26748 KB Output is correct
73 Correct 149 ms 26984 KB Output is correct
74 Correct 148 ms 26740 KB Output is correct
75 Correct 144 ms 26852 KB Output is correct
76 Correct 149 ms 27392 KB Output is correct
77 Correct 149 ms 27496 KB Output is correct
78 Correct 118 ms 25960 KB Output is correct
79 Correct 118 ms 25984 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 15992 KB Output is correct
2 Correct 18 ms 15992 KB Output is correct
3 Correct 19 ms 15992 KB Output is correct
4 Correct 18 ms 15992 KB Output is correct
5 Correct 18 ms 15992 KB Output is correct
6 Correct 18 ms 15992 KB Output is correct
7 Correct 18 ms 15996 KB Output is correct
8 Correct 17 ms 15988 KB Output is correct
9 Correct 18 ms 16012 KB Output is correct
10 Correct 19 ms 15992 KB Output is correct
11 Correct 18 ms 15992 KB Output is correct
12 Correct 18 ms 15992 KB Output is correct
13 Correct 18 ms 15992 KB Output is correct
14 Correct 17 ms 15992 KB Output is correct
15 Correct 18 ms 15992 KB Output is correct
16 Correct 17 ms 15992 KB Output is correct
17 Correct 18 ms 15992 KB Output is correct
18 Correct 18 ms 15992 KB Output is correct
19 Correct 18 ms 15992 KB Output is correct
20 Correct 18 ms 15992 KB Output is correct
21 Correct 19 ms 15992 KB Output is correct
22 Correct 18 ms 15992 KB Output is correct
23 Correct 19 ms 15992 KB Output is correct
24 Correct 19 ms 15992 KB Output is correct
25 Correct 21 ms 16120 KB Output is correct
26 Correct 20 ms 16248 KB Output is correct
27 Correct 20 ms 16248 KB Output is correct
28 Correct 20 ms 16120 KB Output is correct
29 Correct 19 ms 16120 KB Output is correct
30 Correct 20 ms 16248 KB Output is correct
31 Correct 21 ms 16120 KB Output is correct
32 Correct 21 ms 16248 KB Output is correct
33 Correct 21 ms 16248 KB Output is correct
34 Correct 23 ms 16248 KB Output is correct
35 Correct 20 ms 16120 KB Output is correct
36 Correct 19 ms 16248 KB Output is correct
37 Correct 21 ms 16248 KB Output is correct
38 Correct 20 ms 16220 KB Output is correct
39 Correct 20 ms 16248 KB Output is correct
40 Correct 20 ms 16120 KB Output is correct
41 Correct 19 ms 16120 KB Output is correct
42 Correct 20 ms 16120 KB Output is correct
43 Correct 19 ms 16124 KB Output is correct
44 Correct 79 ms 16248 KB Output is correct
45 Correct 119 ms 25796 KB Output is correct
46 Correct 114 ms 25896 KB Output is correct
47 Correct 120 ms 25828 KB Output is correct
48 Correct 123 ms 25828 KB Output is correct
49 Correct 122 ms 25828 KB Output is correct
50 Correct 117 ms 25892 KB Output is correct
51 Correct 120 ms 25832 KB Output is correct
52 Correct 129 ms 25884 KB Output is correct
53 Correct 122 ms 25896 KB Output is correct
54 Correct 138 ms 26808 KB Output is correct
55 Correct 140 ms 26600 KB Output is correct
56 Correct 138 ms 26644 KB Output is correct
57 Correct 138 ms 25804 KB Output is correct
58 Correct 127 ms 25956 KB Output is correct
59 Correct 103 ms 25832 KB Output is correct
60 Correct 112 ms 25832 KB Output is correct
61 Correct 113 ms 25828 KB Output is correct
62 Correct 107 ms 26324 KB Output is correct
63 Correct 115 ms 26056 KB Output is correct
64 Correct 115 ms 25956 KB Output is correct
65 Correct 188 ms 25956 KB Output is correct
66 Correct 214 ms 25884 KB Output is correct
67 Correct 150 ms 26216 KB Output is correct
68 Correct 151 ms 26040 KB Output is correct
69 Correct 148 ms 26056 KB Output is correct
70 Correct 147 ms 26072 KB Output is correct
71 Correct 147 ms 26596 KB Output is correct
72 Correct 156 ms 26748 KB Output is correct
73 Correct 149 ms 26984 KB Output is correct
74 Correct 148 ms 26740 KB Output is correct
75 Correct 144 ms 26852 KB Output is correct
76 Correct 149 ms 27392 KB Output is correct
77 Correct 149 ms 27496 KB Output is correct
78 Correct 118 ms 25960 KB Output is correct
79 Correct 118 ms 25984 KB Output is correct
80 Correct 1246 ms 116836 KB Output is correct
81 Correct 1281 ms 116912 KB Output is correct
82 Correct 1267 ms 116768 KB Output is correct
83 Correct 1286 ms 116912 KB Output is correct
84 Correct 1291 ms 116740 KB Output is correct
85 Correct 1264 ms 117140 KB Output is correct
86 Correct 1265 ms 116784 KB Output is correct
87 Correct 1403 ms 116736 KB Output is correct
88 Correct 1381 ms 116728 KB Output is correct
89 Correct 1663 ms 125092 KB Output is correct
90 Correct 1732 ms 123748 KB Output is correct
91 Correct 1667 ms 123092 KB Output is correct
92 Correct 1598 ms 116772 KB Output is correct
93 Correct 1413 ms 116684 KB Output is correct
94 Correct 1051 ms 116656 KB Output is correct
95 Correct 1181 ms 116712 KB Output is correct
96 Correct 1190 ms 116752 KB Output is correct
97 Correct 1063 ms 119392 KB Output is correct
98 Correct 1219 ms 117692 KB Output is correct
99 Correct 1193 ms 117348 KB Output is correct
100 Correct 3280 ms 116752 KB Output is correct
101 Correct 3215 ms 116744 KB Output is correct
102 Correct 1772 ms 118216 KB Output is correct
103 Correct 1844 ms 120644 KB Output is correct
104 Correct 1796 ms 119344 KB Output is correct
105 Correct 1776 ms 119332 KB Output is correct
106 Correct 1881 ms 123008 KB Output is correct
107 Correct 1883 ms 122672 KB Output is correct
108 Correct 1923 ms 120624 KB Output is correct
109 Correct 1874 ms 125392 KB Output is correct
110 Correct 1956 ms 127152 KB Output is correct
111 Correct 1895 ms 132436 KB Output is correct
112 Correct 2001 ms 132500 KB Output is correct
113 Correct 1228 ms 117060 KB Output is correct
114 Correct 1251 ms 116896 KB Output is correct