oj.uz

Submission #168994

# Submission time Handle Problem Language Result Execution time Memory
168994 2019-12-17T11:24:18 Z pulpy_orange Arranging Shoes (IOI19_shoes) C++14
100 / 100
 114 ms 16400 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long

const int mxn=200007;
int BIT[mxn];

void update(int index, int n, int val){
     while(index<=n){
          BIT[index]+=val;
          index+=index&-index;
     }
}

int query(int index){
     int sum=0;
     while(index>0){
          sum+=BIT[index];
          index-=index&-index;
     }
     return sum;
}


ll count_swaps(vector<int>S){
     int n=S.size();

     vector<int>L[100007], R[100007];

     for(int i=0;i<n;i++){
          if(S[i]<0){
               L[abs(S[i])].push_back(i);
          }
          else R[S[i]].push_back(i);
     }

     vector<int>M(n+1, 0);
     for(int i=1;i<=100007;i++){
          for(int j=0;j<L[i].size();j++){
               M[L[i][j]+1]=R[i][j]+1;
               M[R[i][j]+1]=L[i][j]+1;
          }
     }

     int vis[n+1];
     memset(vis, 0, sizeof(vis));
     ll ans=0;
     for(int i=1;i<M.size();i++){
          if(vis[i])continue;
          int cnt=query(M[i])-query(i);
          if(S[i-1]>0){
               ans+=(M[i]-i)-cnt;
          }
          else{
               ans+=(M[i]-i-1)-cnt;
          }
          vis[M[i]]=1;
          update(M[i], n, 1);
     }

     return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:39:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
           for(int j=0;j<L[i].size();j++){
                       ~^~~~~~~~~~~~
shoes.cpp:48:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
      for(int i=1;i<M.size();i++){
                  ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 6 ms 4988 KB Output is correct
6 Correct 6 ms 4988 KB Output is correct
7 Correct 6 ms 5112 KB Output is correct
8 Correct 6 ms 4984 KB Output is correct
9 Correct 6 ms 4984 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 6 ms 4984 KB Output is correct
12 Correct 6 ms 4984 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 6 ms 4984 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 6 ms 4984 KB Output is correct
17 Correct 6 ms 4984 KB Output is correct
18 Correct 6 ms 4984 KB Output is correct
19 Correct 6 ms 5024 KB Output is correct
20 Correct 6 ms 4984 KB Output is correct
21 Correct 6 ms 4984 KB Output is correct
22 Correct 6 ms 4984 KB Output is correct
23 Correct 6 ms 4972 KB Output is correct
24 Correct 6 ms 4984 KB Output is correct
25 Correct 6 ms 4984 KB Output is correct
26 Correct 6 ms 4944 KB Output is correct
27 Correct 6 ms 4984 KB Output is correct
28 Correct 6 ms 4984 KB Output is correct
29 Correct 6 ms 4984 KB Output is correct
30 Correct 6 ms 4984 KB Output is correct
31 Correct 6 ms 4984 KB Output is correct
32 Correct 6 ms 4984 KB Output is correct
33 Correct 6 ms 4984 KB Output is correct
34 Correct 6 ms 4984 KB Output is correct
35 Correct 6 ms 4984 KB Output is correct
36 Correct 6 ms 4984 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 4984 KB Output is correct
9 Correct 6 ms 4988 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 6 ms 4984 KB Output is correct
12 Correct 6 ms 4984 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 6 ms 4984 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 6 ms 4984 KB Output is correct
17 Correct 6 ms 4988 KB Output is correct
18 Correct 6 ms 5112 KB Output is correct
19 Correct 6 ms 5112 KB Output is correct
20 Correct 10 ms 5624 KB Output is correct
21 Correct 10 ms 5596 KB Output is correct
22 Correct 45 ms 11160 KB Output is correct
23 Correct 40 ms 11244 KB Output is correct
24 Correct 44 ms 11116 KB Output is correct
25 Correct 39 ms 10580 KB Output is correct
26 Correct 45 ms 11244 KB Output is correct
27 Correct 38 ms 10988 KB Output is correct
28 Correct 41 ms 10736 KB Output is correct
29 Correct 41 ms 10736 KB Output is correct
30 Correct 40 ms 10736 KB Output is correct
31 Correct 44 ms 11140 KB Output is correct
32 Correct 40 ms 10736 KB Output is correct
33 Correct 39 ms 10608 KB Output is correct
34 Correct 41 ms 10732 KB Output is correct
35 Correct 6 ms 4984 KB Output is correct
36 Correct 6 ms 5028 KB Output is correct
37 Correct 40 ms 10732 KB Output is correct
38 Correct 40 ms 10732 KB Output is correct
39 Correct 41 ms 10732 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4992 KB Output is correct
4 Correct 6 ms 5040 KB Output is correct
5 Correct 83 ms 16028 KB Output is correct
6 Correct 63 ms 11252 KB Output is correct
7 Correct 114 ms 15992 KB Output is correct
8 Correct 45 ms 10756 KB Output is correct
9 Correct 104 ms 15992 KB Output is correct
10 Correct 70 ms 12920 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 6 ms 4988 KB Output is correct
6 Correct 6 ms 4988 KB Output is correct
7 Correct 6 ms 5112 KB Output is correct
8 Correct 6 ms 4984 KB Output is correct
9 Correct 6 ms 4984 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 6 ms 4984 KB Output is correct
12 Correct 6 ms 4984 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 6 ms 4984 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 6 ms 4984 KB Output is correct
17 Correct 6 ms 4984 KB Output is correct
18 Correct 6 ms 4984 KB Output is correct
19 Correct 6 ms 5024 KB Output is correct
20 Correct 6 ms 4984 KB Output is correct
21 Correct 6 ms 4984 KB Output is correct
22 Correct 6 ms 4984 KB Output is correct
23 Correct 6 ms 4972 KB Output is correct
24 Correct 6 ms 4984 KB Output is correct
25 Correct 6 ms 4984 KB Output is correct
26 Correct 6 ms 4944 KB Output is correct
27 Correct 6 ms 4984 KB Output is correct
28 Correct 6 ms 4984 KB Output is correct
29 Correct 6 ms 4984 KB Output is correct
30 Correct 6 ms 4984 KB Output is correct
31 Correct 6 ms 4984 KB Output is correct
32 Correct 6 ms 4984 KB Output is correct
33 Correct 6 ms 4984 KB Output is correct
34 Correct 6 ms 4984 KB Output is correct
35 Correct 6 ms 4984 KB Output is correct
36 Correct 6 ms 4984 KB Output is correct
37 Correct 6 ms 4984 KB Output is correct
38 Correct 6 ms 4984 KB Output is correct
39 Correct 6 ms 4984 KB Output is correct
40 Correct 6 ms 5112 KB Output is correct
41 Correct 6 ms 5112 KB Output is correct
42 Correct 6 ms 5112 KB Output is correct
43 Correct 6 ms 5112 KB Output is correct
44 Correct 6 ms 5112 KB Output is correct
45 Correct 6 ms 5112 KB Output is correct
46 Correct 6 ms 5112 KB Output is correct
47 Correct 6 ms 5112 KB Output is correct
48 Correct 6 ms 5108 KB Output is correct
49 Correct 6 ms 5112 KB Output is correct
50 Correct 6 ms 5036 KB Output is correct
51 Correct 6 ms 5112 KB Output is correct
52 Correct 6 ms 5112 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 6 ms 4988 KB Output is correct
6 Correct 6 ms 4988 KB Output is correct
7 Correct 6 ms 5112 KB Output is correct
8 Correct 6 ms 4984 KB Output is correct
9 Correct 6 ms 4984 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 6 ms 4984 KB Output is correct
12 Correct 6 ms 4984 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 6 ms 4984 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 6 ms 4984 KB Output is correct
17 Correct 6 ms 4984 KB Output is correct
18 Correct 6 ms 4984 KB Output is correct
19 Correct 6 ms 5024 KB Output is correct
20 Correct 6 ms 4984 KB Output is correct
21 Correct 6 ms 4984 KB Output is correct
22 Correct 6 ms 4984 KB Output is correct
23 Correct 6 ms 4972 KB Output is correct
24 Correct 6 ms 4984 KB Output is correct
25 Correct 6 ms 4984 KB Output is correct
26 Correct 6 ms 4944 KB Output is correct
27 Correct 6 ms 4984 KB Output is correct
28 Correct 6 ms 4984 KB Output is correct
29 Correct 6 ms 4984 KB Output is correct
30 Correct 6 ms 4984 KB Output is correct
31 Correct 6 ms 4984 KB Output is correct
32 Correct 6 ms 4984 KB Output is correct
33 Correct 6 ms 4984 KB Output is correct
34 Correct 6 ms 4984 KB Output is correct
35 Correct 6 ms 4984 KB Output is correct
36 Correct 6 ms 4984 KB Output is correct
37 Correct 6 ms 4984 KB Output is correct
38 Correct 6 ms 4984 KB Output is correct
39 Correct 6 ms 4984 KB Output is correct
40 Correct 6 ms 4984 KB Output is correct
41 Correct 6 ms 4984 KB Output is correct
42 Correct 6 ms 4984 KB Output is correct
43 Correct 6 ms 4988 KB Output is correct
44 Correct 6 ms 4984 KB Output is correct
45 Correct 6 ms 4984 KB Output is correct
46 Correct 6 ms 4984 KB Output is correct
47 Correct 6 ms 4984 KB Output is correct
48 Correct 6 ms 4984 KB Output is correct
49 Correct 6 ms 4984 KB Output is correct
50 Correct 6 ms 4984 KB Output is correct
51 Correct 6 ms 4988 KB Output is correct
52 Correct 6 ms 5112 KB Output is correct
53 Correct 6 ms 5112 KB Output is correct
54 Correct 10 ms 5624 KB Output is correct
55 Correct 10 ms 5596 KB Output is correct
56 Correct 45 ms 11160 KB Output is correct
57 Correct 40 ms 11244 KB Output is correct
58 Correct 44 ms 11116 KB Output is correct
59 Correct 39 ms 10580 KB Output is correct
60 Correct 45 ms 11244 KB Output is correct
61 Correct 38 ms 10988 KB Output is correct
62 Correct 41 ms 10736 KB Output is correct
63 Correct 41 ms 10736 KB Output is correct
64 Correct 40 ms 10736 KB Output is correct
65 Correct 44 ms 11140 KB Output is correct
66 Correct 40 ms 10736 KB Output is correct
67 Correct 39 ms 10608 KB Output is correct
68 Correct 41 ms 10732 KB Output is correct
69 Correct 6 ms 4984 KB Output is correct
70 Correct 6 ms 5028 KB Output is correct
71 Correct 40 ms 10732 KB Output is correct
72 Correct 40 ms 10732 KB Output is correct
73 Correct 41 ms 10732 KB Output is correct
74 Correct 6 ms 4984 KB Output is correct
75 Correct 6 ms 4984 KB Output is correct
76 Correct 6 ms 4992 KB Output is correct
77 Correct 6 ms 5040 KB Output is correct
78 Correct 83 ms 16028 KB Output is correct
79 Correct 63 ms 11252 KB Output is correct
80 Correct 114 ms 15992 KB Output is correct
81 Correct 45 ms 10756 KB Output is correct
82 Correct 104 ms 15992 KB Output is correct
83 Correct 70 ms 12920 KB Output is correct
84 Correct 6 ms 4984 KB Output is correct
85 Correct 6 ms 4984 KB Output is correct
86 Correct 6 ms 4984 KB Output is correct
87 Correct 6 ms 5112 KB Output is correct
88 Correct 6 ms 5112 KB Output is correct
89 Correct 6 ms 5112 KB Output is correct
90 Correct 6 ms 5112 KB Output is correct
91 Correct 6 ms 5112 KB Output is correct
92 Correct 6 ms 5112 KB Output is correct
93 Correct 6 ms 5112 KB Output is correct
94 Correct 6 ms 5112 KB Output is correct
95 Correct 6 ms 5108 KB Output is correct
96 Correct 6 ms 5112 KB Output is correct
97 Correct 6 ms 5036 KB Output is correct
98 Correct 6 ms 5112 KB Output is correct
99 Correct 6 ms 5112 KB Output is correct
100 Correct 6 ms 5112 KB Output is correct
101 Correct 13 ms 6136 KB Output is correct
102 Correct 11 ms 5624 KB Output is correct
103 Correct 86 ms 16392 KB Output is correct
104 Correct 79 ms 16400 KB Output is correct
105 Correct 106 ms 13816 KB Output is correct
106 Correct 75 ms 16120 KB Output is correct
107 Correct 62 ms 11768 KB Output is correct
108 Correct 61 ms 12152 KB Output is correct
109 Correct 41 ms 10992 KB Output is correct
110 Correct 40 ms 10732 KB Output is correct
111 Correct 75 ms 15352 KB Output is correct
112 Correct 90 ms 15064 KB Output is correct
113 Correct 60 ms 11384 KB Output is correct
114 Correct 77 ms 15992 KB Output is correct
115 Correct 76 ms 16092 KB Output is correct