# | Submission time^{} |
Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|

28211 | 2017-07-15T18:45:10 Z | top34051 | Port Facility (JOI17_port_facility) | C++14 | 2013 ms | 74152 KB |

#include<bits/stdc++.h> using namespace std; #define maxn 1000005 #define mod 1000000007LL int n; int head[maxn*2]; bool check[maxn*2]; pair<int,int> p[maxn]; map<int,int> pos; int findhead(int x) { if(x==head[x]) return x; return head[x] = findhead(head[x]); } void fus(int x,int y) { head[findhead(x)] = findhead(y); } main() { int i; long long ans; map<int,int>::iterator st,ft; scanf("%d",&n); for(i=0;i<n;i++) scanf("%d%d",&p[i].first,&p[i].second); sort(&p[0],&p[n]); for(i=0;i<n*2;i++) head[i] = i; for(i=0;i<n;i++) { st = pos.lower_bound(p[i].first); ft = pos.lower_bound(p[i].second); while(st!=ft) { fus(i,st->second+n); fus(i+n,st->second); if(findhead(st->second)==findhead((--ft)->second)) break; ++ft; st++; } pos[p[i].second] = i; } ans = 1; for(i=0;i<n;i++) { if(findhead(i)==findhead(i+n)) ans = 0; else check[findhead(i)] = check[findhead(i+n)] = 1; } for(i=0;i<n;i++) if(check[i]) ans = (ans*2)%mod; printf("%lld",ans); }

### Compilation message

# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|

1 | Correct | 0 ms | 19600 KB | Output is correct |

2 | Correct | 0 ms | 19600 KB | Output is correct |

3 | Correct | 0 ms | 19600 KB | Output is correct |

4 | Correct | 0 ms | 19600 KB | Output is correct |

5 | Correct | 0 ms | 19600 KB | Output is correct |

6 | Correct | 0 ms | 19600 KB | Output is correct |

7 | Correct | 0 ms | 19600 KB | Output is correct |

8 | Correct | 0 ms | 19600 KB | Output is correct |

9 | Correct | 0 ms | 19600 KB | Output is correct |

10 | Correct | 0 ms | 19600 KB | Output is correct |

11 | Correct | 0 ms | 19600 KB | Output is correct |

12 | Correct | 0 ms | 19600 KB | Output is correct |

13 | Correct | 0 ms | 19600 KB | Output is correct |

14 | Correct | 0 ms | 19600 KB | Output is correct |

15 | Correct | 0 ms | 19600 KB | Output is correct |

16 | Correct | 0 ms | 19600 KB | Output is correct |

17 | Correct | 0 ms | 19600 KB | Output is correct |

18 | Correct | 0 ms | 19600 KB | Output is correct |

19 | Correct | 0 ms | 19600 KB | Output is correct |

20 | Correct | 0 ms | 19600 KB | Output is correct |

21 | Correct | 0 ms | 19600 KB | Output is correct |

22 | Correct | 0 ms | 19600 KB | Output is correct |

23 | Correct | 0 ms | 19600 KB | Output is correct |

24 | Correct | 0 ms | 19600 KB | Output is correct |

# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|

1 | Correct | 0 ms | 19600 KB | Output is correct |

2 | Correct | 0 ms | 19600 KB | Output is correct |

3 | Correct | 0 ms | 19600 KB | Output is correct |

4 | Correct | 0 ms | 19600 KB | Output is correct |

5 | Correct | 0 ms | 19600 KB | Output is correct |

6 | Correct | 0 ms | 19600 KB | Output is correct |

7 | Correct | 0 ms | 19600 KB | Output is correct |

8 | Correct | 0 ms | 19600 KB | Output is correct |

9 | Correct | 0 ms | 19600 KB | Output is correct |

10 | Correct | 0 ms | 19600 KB | Output is correct |

11 | Correct | 0 ms | 19600 KB | Output is correct |

12 | Correct | 0 ms | 19600 KB | Output is correct |

13 | Correct | 0 ms | 19600 KB | Output is correct |

14 | Correct | 0 ms | 19600 KB | Output is correct |

15 | Correct | 0 ms | 19600 KB | Output is correct |

16 | Correct | 0 ms | 19600 KB | Output is correct |

17 | Correct | 0 ms | 19600 KB | Output is correct |

18 | Correct | 0 ms | 19600 KB | Output is correct |

19 | Correct | 0 ms | 19600 KB | Output is correct |

20 | Correct | 0 ms | 19600 KB | Output is correct |

21 | Correct | 0 ms | 19600 KB | Output is correct |

22 | Correct | 0 ms | 19600 KB | Output is correct |

23 | Correct | 0 ms | 19600 KB | Output is correct |

24 | Correct | 0 ms | 19600 KB | Output is correct |

25 | Correct | 0 ms | 19732 KB | Output is correct |

26 | Correct | 0 ms | 19732 KB | Output is correct |

27 | Correct | 0 ms | 19732 KB | Output is correct |

28 | Correct | 0 ms | 19732 KB | Output is correct |

29 | Correct | 0 ms | 19732 KB | Output is correct |

30 | Correct | 0 ms | 19732 KB | Output is correct |

31 | Correct | 0 ms | 19732 KB | Output is correct |

32 | Correct | 0 ms | 19732 KB | Output is correct |

33 | Correct | 0 ms | 19732 KB | Output is correct |

34 | Correct | 0 ms | 19732 KB | Output is correct |

35 | Correct | 0 ms | 19732 KB | Output is correct |

36 | Correct | 0 ms | 19732 KB | Output is correct |

37 | Correct | 0 ms | 19732 KB | Output is correct |

38 | Correct | 0 ms | 19732 KB | Output is correct |

39 | Correct | 0 ms | 19732 KB | Output is correct |

40 | Correct | 0 ms | 19732 KB | Output is correct |

41 | Correct | 0 ms | 19732 KB | Output is correct |

42 | Correct | 0 ms | 19732 KB | Output is correct |

43 | Correct | 0 ms | 19732 KB | Output is correct |

44 | Correct | 0 ms | 19732 KB | Output is correct |

# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|

1 | Correct | 0 ms | 19600 KB | Output is correct |

2 | Correct | 0 ms | 19600 KB | Output is correct |

3 | Correct | 0 ms | 19600 KB | Output is correct |

4 | Correct | 0 ms | 19600 KB | Output is correct |

5 | Correct | 0 ms | 19600 KB | Output is correct |

6 | Correct | 0 ms | 19600 KB | Output is correct |

7 | Correct | 0 ms | 19600 KB | Output is correct |

8 | Correct | 0 ms | 19600 KB | Output is correct |

9 | Correct | 0 ms | 19600 KB | Output is correct |

10 | Correct | 0 ms | 19600 KB | Output is correct |

11 | Correct | 0 ms | 19600 KB | Output is correct |

12 | Correct | 0 ms | 19600 KB | Output is correct |

13 | Correct | 0 ms | 19600 KB | Output is correct |

14 | Correct | 0 ms | 19600 KB | Output is correct |

15 | Correct | 0 ms | 19600 KB | Output is correct |

16 | Correct | 0 ms | 19600 KB | Output is correct |

17 | Correct | 0 ms | 19600 KB | Output is correct |

18 | Correct | 0 ms | 19600 KB | Output is correct |

19 | Correct | 0 ms | 19600 KB | Output is correct |

20 | Correct | 0 ms | 19600 KB | Output is correct |

21 | Correct | 0 ms | 19600 KB | Output is correct |

22 | Correct | 0 ms | 19600 KB | Output is correct |

23 | Correct | 0 ms | 19600 KB | Output is correct |

24 | Correct | 0 ms | 19600 KB | Output is correct |

25 | Correct | 0 ms | 19732 KB | Output is correct |

26 | Correct | 0 ms | 19732 KB | Output is correct |

27 | Correct | 0 ms | 19732 KB | Output is correct |

28 | Correct | 0 ms | 19732 KB | Output is correct |

29 | Correct | 0 ms | 19732 KB | Output is correct |

30 | Correct | 0 ms | 19732 KB | Output is correct |

31 | Correct | 0 ms | 19732 KB | Output is correct |

32 | Correct | 0 ms | 19732 KB | Output is correct |

33 | Correct | 0 ms | 19732 KB | Output is correct |

34 | Correct | 0 ms | 19732 KB | Output is correct |

35 | Correct | 0 ms | 19732 KB | Output is correct |

36 | Correct | 0 ms | 19732 KB | Output is correct |

37 | Correct | 0 ms | 19732 KB | Output is correct |

38 | Correct | 0 ms | 19732 KB | Output is correct |

39 | Correct | 0 ms | 19732 KB | Output is correct |

40 | Correct | 0 ms | 19732 KB | Output is correct |

41 | Correct | 0 ms | 19732 KB | Output is correct |

42 | Correct | 0 ms | 19732 KB | Output is correct |

43 | Correct | 0 ms | 19732 KB | Output is correct |

44 | Correct | 0 ms | 19732 KB | Output is correct |

45 | Correct | 83 ms | 24352 KB | Output is correct |

46 | Correct | 83 ms | 24352 KB | Output is correct |

47 | Correct | 86 ms | 24352 KB | Output is correct |

48 | Correct | 79 ms | 24352 KB | Output is correct |

49 | Correct | 76 ms | 24352 KB | Output is correct |

50 | Correct | 79 ms | 24352 KB | Output is correct |

51 | Correct | 96 ms | 24352 KB | Output is correct |

52 | Correct | 89 ms | 24352 KB | Output is correct |

53 | Correct | 86 ms | 24352 KB | Output is correct |

54 | Correct | 76 ms | 24352 KB | Output is correct |

55 | Correct | 69 ms | 24352 KB | Output is correct |

56 | Correct | 76 ms | 24352 KB | Output is correct |

57 | Correct | 83 ms | 24352 KB | Output is correct |

58 | Correct | 89 ms | 24352 KB | Output is correct |

59 | Correct | 83 ms | 24352 KB | Output is correct |

60 | Correct | 83 ms | 24352 KB | Output is correct |

61 | Correct | 79 ms | 24352 KB | Output is correct |

62 | Correct | 76 ms | 24352 KB | Output is correct |

63 | Correct | 79 ms | 24352 KB | Output is correct |

64 | Correct | 83 ms | 24352 KB | Output is correct |

65 | Correct | 106 ms | 24352 KB | Output is correct |

66 | Correct | 106 ms | 24352 KB | Output is correct |

67 | Correct | 86 ms | 25008 KB | Output is correct |

68 | Correct | 89 ms | 25008 KB | Output is correct |

69 | Correct | 86 ms | 24744 KB | Output is correct |

70 | Correct | 93 ms | 24744 KB | Output is correct |

71 | Correct | 93 ms | 25008 KB | Output is correct |

72 | Correct | 96 ms | 25012 KB | Output is correct |

73 | Correct | 99 ms | 24744 KB | Output is correct |

74 | Correct | 93 ms | 24748 KB | Output is correct |

75 | Correct | 89 ms | 24352 KB | Output is correct |

76 | Correct | 93 ms | 24352 KB | Output is correct |

77 | Correct | 93 ms | 24352 KB | Output is correct |

78 | Correct | 89 ms | 24352 KB | Output is correct |

79 | Correct | 83 ms | 24352 KB | Output is correct |

# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|

1 | Correct | 0 ms | 19600 KB | Output is correct |

2 | Correct | 0 ms | 19600 KB | Output is correct |

3 | Correct | 0 ms | 19600 KB | Output is correct |

4 | Correct | 0 ms | 19600 KB | Output is correct |

5 | Correct | 0 ms | 19600 KB | Output is correct |

6 | Correct | 0 ms | 19600 KB | Output is correct |

7 | Correct | 0 ms | 19600 KB | Output is correct |

8 | Correct | 0 ms | 19600 KB | Output is correct |

9 | Correct | 0 ms | 19600 KB | Output is correct |

10 | Correct | 0 ms | 19600 KB | Output is correct |

11 | Correct | 0 ms | 19600 KB | Output is correct |

12 | Correct | 0 ms | 19600 KB | Output is correct |

13 | Correct | 0 ms | 19600 KB | Output is correct |

14 | Correct | 0 ms | 19600 KB | Output is correct |

15 | Correct | 0 ms | 19600 KB | Output is correct |

16 | Correct | 0 ms | 19600 KB | Output is correct |

17 | Correct | 0 ms | 19600 KB | Output is correct |

18 | Correct | 0 ms | 19600 KB | Output is correct |

19 | Correct | 0 ms | 19600 KB | Output is correct |

20 | Correct | 0 ms | 19600 KB | Output is correct |

21 | Correct | 0 ms | 19600 KB | Output is correct |

22 | Correct | 0 ms | 19600 KB | Output is correct |

23 | Correct | 0 ms | 19600 KB | Output is correct |

24 | Correct | 0 ms | 19600 KB | Output is correct |

25 | Correct | 0 ms | 19732 KB | Output is correct |

26 | Correct | 0 ms | 19732 KB | Output is correct |

27 | Correct | 0 ms | 19732 KB | Output is correct |

28 | Correct | 0 ms | 19732 KB | Output is correct |

29 | Correct | 0 ms | 19732 KB | Output is correct |

30 | Correct | 0 ms | 19732 KB | Output is correct |

31 | Correct | 0 ms | 19732 KB | Output is correct |

32 | Correct | 0 ms | 19732 KB | Output is correct |

33 | Correct | 0 ms | 19732 KB | Output is correct |

34 | Correct | 0 ms | 19732 KB | Output is correct |

35 | Correct | 0 ms | 19732 KB | Output is correct |

36 | Correct | 0 ms | 19732 KB | Output is correct |

37 | Correct | 0 ms | 19732 KB | Output is correct |

38 | Correct | 0 ms | 19732 KB | Output is correct |

39 | Correct | 0 ms | 19732 KB | Output is correct |

40 | Correct | 0 ms | 19732 KB | Output is correct |

41 | Correct | 0 ms | 19732 KB | Output is correct |

42 | Correct | 0 ms | 19732 KB | Output is correct |

43 | Correct | 0 ms | 19732 KB | Output is correct |

44 | Correct | 0 ms | 19732 KB | Output is correct |

45 | Correct | 83 ms | 24352 KB | Output is correct |

46 | Correct | 83 ms | 24352 KB | Output is correct |

47 | Correct | 86 ms | 24352 KB | Output is correct |

48 | Correct | 79 ms | 24352 KB | Output is correct |

49 | Correct | 76 ms | 24352 KB | Output is correct |

50 | Correct | 79 ms | 24352 KB | Output is correct |

51 | Correct | 96 ms | 24352 KB | Output is correct |

52 | Correct | 89 ms | 24352 KB | Output is correct |

53 | Correct | 86 ms | 24352 KB | Output is correct |

54 | Correct | 76 ms | 24352 KB | Output is correct |

55 | Correct | 69 ms | 24352 KB | Output is correct |

56 | Correct | 76 ms | 24352 KB | Output is correct |

57 | Correct | 83 ms | 24352 KB | Output is correct |

58 | Correct | 89 ms | 24352 KB | Output is correct |

59 | Correct | 83 ms | 24352 KB | Output is correct |

60 | Correct | 83 ms | 24352 KB | Output is correct |

61 | Correct | 79 ms | 24352 KB | Output is correct |

62 | Correct | 76 ms | 24352 KB | Output is correct |

63 | Correct | 79 ms | 24352 KB | Output is correct |

64 | Correct | 83 ms | 24352 KB | Output is correct |

65 | Correct | 106 ms | 24352 KB | Output is correct |

66 | Correct | 106 ms | 24352 KB | Output is correct |

67 | Correct | 86 ms | 25008 KB | Output is correct |

68 | Correct | 89 ms | 25008 KB | Output is correct |

69 | Correct | 86 ms | 24744 KB | Output is correct |

70 | Correct | 93 ms | 24744 KB | Output is correct |

71 | Correct | 93 ms | 25008 KB | Output is correct |

72 | Correct | 96 ms | 25012 KB | Output is correct |

73 | Correct | 99 ms | 24744 KB | Output is correct |

74 | Correct | 93 ms | 24748 KB | Output is correct |

75 | Correct | 89 ms | 24352 KB | Output is correct |

76 | Correct | 93 ms | 24352 KB | Output is correct |

77 | Correct | 93 ms | 24352 KB | Output is correct |

78 | Correct | 89 ms | 24352 KB | Output is correct |

79 | Correct | 83 ms | 24352 KB | Output is correct |

80 | Correct | 946 ms | 66460 KB | Output is correct |

81 | Correct | 953 ms | 66460 KB | Output is correct |

82 | Correct | 979 ms | 66460 KB | Output is correct |

83 | Correct | 913 ms | 66460 KB | Output is correct |

84 | Correct | 933 ms | 66460 KB | Output is correct |

85 | Correct | 926 ms | 66460 KB | Output is correct |

86 | Correct | 933 ms | 66460 KB | Output is correct |

87 | Correct | 1176 ms | 66460 KB | Output is correct |

88 | Correct | 1233 ms | 66460 KB | Output is correct |

89 | Correct | 1169 ms | 66460 KB | Output is correct |

90 | Correct | 1123 ms | 66460 KB | Output is correct |

91 | Correct | 1053 ms | 66460 KB | Output is correct |

92 | Correct | 1193 ms | 66460 KB | Output is correct |

93 | Correct | 1146 ms | 66460 KB | Output is correct |

94 | Correct | 826 ms | 66460 KB | Output is correct |

95 | Correct | 936 ms | 66460 KB | Output is correct |

96 | Correct | 899 ms | 66460 KB | Output is correct |

97 | Correct | 796 ms | 66460 KB | Output is correct |

98 | Correct | 936 ms | 66460 KB | Output is correct |

99 | Correct | 863 ms | 66460 KB | Output is correct |

100 | Correct | 1926 ms | 66460 KB | Output is correct |

101 | Correct | 2013 ms | 66460 KB | Output is correct |

102 | Correct | 1339 ms | 74152 KB | Output is correct |

103 | Correct | 1246 ms | 74148 KB | Output is correct |

104 | Correct | 1246 ms | 71548 KB | Output is correct |

105 | Correct | 1253 ms | 71540 KB | Output is correct |

106 | Correct | 1359 ms | 74148 KB | Output is correct |

107 | Correct | 1376 ms | 74152 KB | Output is correct |

108 | Correct | 1349 ms | 71540 KB | Output is correct |

109 | Correct | 1429 ms | 71540 KB | Output is correct |

110 | Correct | 1253 ms | 66460 KB | Output is correct |

111 | Correct | 1293 ms | 66460 KB | Output is correct |

112 | Correct | 1263 ms | 66460 KB | Output is correct |

113 | Correct | 913 ms | 66460 KB | Output is correct |

114 | Correct | 973 ms | 66460 KB | Output is correct |