oj.uz

Submission #278509

# Submission time Handle Problem Language Result Execution time Memory
278509 2020-08-21T13:20:05 Z ctziapo Arranging Shoes (IOI19_shoes) C++14
100 / 100
 284 ms 24056 KB 
#include "shoes.h"
#include <cstdio>
#include <cassert>
#include <iostream>
#include <vector>

using namespace std;

long int seg[600000];

void update(int s,int e,int u,int ind){

   if(u<s || u>e){
    return;
   }

   if(s==e && s==u){
        seg[ind]=1;
        return;
   }

   int mid=(s+e)/2;
   update(s,mid,u,ind*2);
   update(mid+1,e,u,ind*2+1);

   seg[ind]=seg[ind*2]+seg[ind*2+1];
}

int query(int s,int e , int qs,int qe,int ind){

    if(qs<=s && e<=qe){
        return seg[ind];
    }
    if(qs>e || qe<s){
        return 0;
    }

   int mid=(s+e)/2;
   int p1=query(s,mid,qs,qe,ind*2);
   int p2=query(mid+1,e,qs,qe,ind*2+1);

   return p1+p2;

}
long long count_swaps(std::vector<int> s) {

    vector < int > row;
    vector < int > row2;
    vector < vector < int > > l(200000,row);
    vector < vector < int > > r(200000,row2);

    int li[200000+1]={};
    int ri[200000+1]={};

    for(int i=0;i<s.size();i++){
        if(s[i]>0){
            r[s[i]].push_back(i);
        }
        else
            l[-s[i]].push_back(i);
    }

	long long int ans=0;

	/// n log n
    int v[200000]={};
	for(int i=0;i<s.size();i++){
        long long int cou=0;
        if(v[i]==1){
            continue;
        }

        int f=-s[i];
        if(f>0){
        li[f]++;
        int start=i;
        int e=r[f][ri[f]];
        ri[f]++;
        int q=query(1,s.size(),start+1,e+1,1);

        v[start]=1;
        v[e]=1;

        update(1,s.size(),start+1,1);
        update(1,s.size(),e+1,1);
       // cout<<q<<endl;
        cou=cou + e-start-1-q;
        }
        else{
            cou=1;
             ri[-f]++;
             int start=i;
             int e=l[-f][li[-f]];
             li[-f]++;

            int q=query(1,s.size(),start+1,e+1,1);

             v[start]=1;
        v[e]=1;

        update(1,s.size(),start+1,1);
        update(1,s.size(),e+1,1);
         //   cout<<q<<endl;
             cou=cou + e-start-1-q;
        }
        ans+=cou;
	}

	return ans;


}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:55:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |     for(int i=0;i<s.size();i++){
      |                 ~^~~~~~~~~
shoes.cpp:67:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |  for(int i=0;i<s.size();i++){
      |              ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12032 KB Output is correct
2 Correct 8 ms 12032 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12032 KB Output is correct
2 Correct 8 ms 12032 KB Output is correct
3 Correct 8 ms 12032 KB Output is correct
4 Correct 10 ms 12032 KB Output is correct
5 Correct 8 ms 12032 KB Output is correct
6 Correct 9 ms 12032 KB Output is correct
7 Correct 8 ms 12032 KB Output is correct
8 Correct 8 ms 12032 KB Output is correct
9 Correct 8 ms 12032 KB Output is correct
10 Correct 8 ms 12032 KB Output is correct
11 Correct 8 ms 12032 KB Output is correct
12 Correct 8 ms 12032 KB Output is correct
13 Correct 9 ms 12032 KB Output is correct
14 Correct 10 ms 12032 KB Output is correct
15 Correct 10 ms 12032 KB Output is correct
16 Correct 8 ms 12032 KB Output is correct
17 Correct 9 ms 12164 KB Output is correct
18 Correct 10 ms 12032 KB Output is correct
19 Correct 12 ms 12032 KB Output is correct
20 Correct 10 ms 12032 KB Output is correct
21 Correct 11 ms 12032 KB Output is correct
22 Correct 12 ms 12032 KB Output is correct
23 Correct 9 ms 12032 KB Output is correct
24 Correct 10 ms 12032 KB Output is correct
25 Correct 8 ms 12032 KB Output is correct
26 Correct 10 ms 12032 KB Output is correct
27 Correct 11 ms 12032 KB Output is correct
28 Correct 8 ms 12032 KB Output is correct
29 Correct 8 ms 12032 KB Output is correct
30 Correct 8 ms 12032 KB Output is correct
31 Correct 8 ms 12032 KB Output is correct
32 Correct 9 ms 12032 KB Output is correct
33 Correct 8 ms 12032 KB Output is correct
34 Correct 8 ms 12032 KB Output is correct
35 Correct 8 ms 12032 KB Output is correct
36 Correct 8 ms 12104 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12032 KB Output is correct
2 Correct 8 ms 12032 KB Output is correct
3 Correct 8 ms 12032 KB Output is correct
4 Correct 8 ms 12032 KB Output is correct
5 Correct 10 ms 12032 KB Output is correct
6 Correct 11 ms 12032 KB Output is correct
7 Correct 9 ms 12032 KB Output is correct
8 Correct 8 ms 12032 KB Output is correct
9 Correct 9 ms 12032 KB Output is correct
10 Correct 8 ms 12064 KB Output is correct
11 Correct 9 ms 12032 KB Output is correct
12 Correct 10 ms 12032 KB Output is correct
13 Correct 9 ms 12032 KB Output is correct
14 Correct 9 ms 12032 KB Output is correct
15 Correct 12 ms 12032 KB Output is correct
16 Correct 8 ms 12032 KB Output is correct
17 Correct 9 ms 12064 KB Output is correct
18 Correct 9 ms 12160 KB Output is correct
19 Correct 11 ms 12160 KB Output is correct
20 Correct 17 ms 12928 KB Output is correct
21 Correct 19 ms 12928 KB Output is correct
22 Correct 112 ms 18584 KB Output is correct
23 Correct 127 ms 18668 KB Output is correct
24 Correct 106 ms 18736 KB Output is correct
25 Correct 116 ms 18648 KB Output is correct
26 Correct 127 ms 18788 KB Output is correct
27 Correct 110 ms 18668 KB Output is correct
28 Correct 121 ms 18588 KB Output is correct
29 Correct 113 ms 18676 KB Output is correct
30 Correct 110 ms 18648 KB Output is correct
31 Correct 120 ms 18688 KB Output is correct
32 Correct 115 ms 18700 KB Output is correct
33 Correct 111 ms 18672 KB Output is correct
34 Correct 114 ms 18668 KB Output is correct
35 Correct 9 ms 12032 KB Output is correct
36 Correct 12 ms 12032 KB Output is correct
37 Correct 110 ms 18696 KB Output is correct
38 Correct 113 ms 18596 KB Output is correct
39 Correct 114 ms 18676 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 12032 KB Output is correct
2 Correct 9 ms 12032 KB Output is correct
3 Correct 11 ms 12032 KB Output is correct
4 Correct 8 ms 12032 KB Output is correct
5 Correct 162 ms 23940 KB Output is correct
6 Correct 138 ms 19212 KB Output is correct
7 Correct 183 ms 23928 KB Output is correct
8 Correct 126 ms 18672 KB Output is correct
9 Correct 158 ms 23932 KB Output is correct
10 Correct 181 ms 20924 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12032 KB Output is correct
2 Correct 8 ms 12032 KB Output is correct
3 Correct 8 ms 12032 KB Output is correct
4 Correct 10 ms 12032 KB Output is correct
5 Correct 8 ms 12032 KB Output is correct
6 Correct 9 ms 12032 KB Output is correct
7 Correct 8 ms 12032 KB Output is correct
8 Correct 8 ms 12032 KB Output is correct
9 Correct 8 ms 12032 KB Output is correct
10 Correct 8 ms 12032 KB Output is correct
11 Correct 8 ms 12032 KB Output is correct
12 Correct 8 ms 12032 KB Output is correct
13 Correct 9 ms 12032 KB Output is correct
14 Correct 10 ms 12032 KB Output is correct
15 Correct 10 ms 12032 KB Output is correct
16 Correct 8 ms 12032 KB Output is correct
17 Correct 9 ms 12164 KB Output is correct
18 Correct 10 ms 12032 KB Output is correct
19 Correct 12 ms 12032 KB Output is correct
20 Correct 10 ms 12032 KB Output is correct
21 Correct 11 ms 12032 KB Output is correct
22 Correct 12 ms 12032 KB Output is correct
23 Correct 9 ms 12032 KB Output is correct
24 Correct 10 ms 12032 KB Output is correct
25 Correct 8 ms 12032 KB Output is correct
26 Correct 10 ms 12032 KB Output is correct
27 Correct 11 ms 12032 KB Output is correct
28 Correct 8 ms 12032 KB Output is correct
29 Correct 8 ms 12032 KB Output is correct
30 Correct 8 ms 12032 KB Output is correct
31 Correct 8 ms 12032 KB Output is correct
32 Correct 9 ms 12032 KB Output is correct
33 Correct 8 ms 12032 KB Output is correct
34 Correct 8 ms 12032 KB Output is correct
35 Correct 8 ms 12032 KB Output is correct
36 Correct 8 ms 12104 KB Output is correct
37 Correct 8 ms 12032 KB Output is correct
38 Correct 9 ms 12032 KB Output is correct
39 Correct 11 ms 12032 KB Output is correct
40 Correct 11 ms 12032 KB Output is correct
41 Correct 9 ms 12160 KB Output is correct
42 Correct 9 ms 12160 KB Output is correct
43 Correct 10 ms 12160 KB Output is correct
44 Correct 9 ms 12160 KB Output is correct
45 Correct 10 ms 12288 KB Output is correct
46 Correct 10 ms 12160 KB Output is correct
47 Correct 10 ms 12160 KB Output is correct
48 Correct 9 ms 12160 KB Output is correct
49 Correct 9 ms 12160 KB Output is correct
50 Correct 9 ms 12160 KB Output is correct
51 Correct 9 ms 12160 KB Output is correct
52 Correct 9 ms 12160 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12032 KB Output is correct
2 Correct 8 ms 12032 KB Output is correct
3 Correct 8 ms 12032 KB Output is correct
4 Correct 10 ms 12032 KB Output is correct
5 Correct 8 ms 12032 KB Output is correct
6 Correct 9 ms 12032 KB Output is correct
7 Correct 8 ms 12032 KB Output is correct
8 Correct 8 ms 12032 KB Output is correct
9 Correct 8 ms 12032 KB Output is correct
10 Correct 8 ms 12032 KB Output is correct
11 Correct 8 ms 12032 KB Output is correct
12 Correct 8 ms 12032 KB Output is correct
13 Correct 9 ms 12032 KB Output is correct
14 Correct 10 ms 12032 KB Output is correct
15 Correct 10 ms 12032 KB Output is correct
16 Correct 8 ms 12032 KB Output is correct
17 Correct 9 ms 12164 KB Output is correct
18 Correct 10 ms 12032 KB Output is correct
19 Correct 12 ms 12032 KB Output is correct
20 Correct 10 ms 12032 KB Output is correct
21 Correct 11 ms 12032 KB Output is correct
22 Correct 12 ms 12032 KB Output is correct
23 Correct 9 ms 12032 KB Output is correct
24 Correct 10 ms 12032 KB Output is correct
25 Correct 8 ms 12032 KB Output is correct
26 Correct 10 ms 12032 KB Output is correct
27 Correct 11 ms 12032 KB Output is correct
28 Correct 8 ms 12032 KB Output is correct
29 Correct 8 ms 12032 KB Output is correct
30 Correct 8 ms 12032 KB Output is correct
31 Correct 8 ms 12032 KB Output is correct
32 Correct 9 ms 12032 KB Output is correct
33 Correct 8 ms 12032 KB Output is correct
34 Correct 8 ms 12032 KB Output is correct
35 Correct 8 ms 12032 KB Output is correct
36 Correct 8 ms 12104 KB Output is correct
37 Correct 8 ms 12032 KB Output is correct
38 Correct 8 ms 12032 KB Output is correct
39 Correct 10 ms 12032 KB Output is correct
40 Correct 11 ms 12032 KB Output is correct
41 Correct 9 ms 12032 KB Output is correct
42 Correct 8 ms 12032 KB Output is correct
43 Correct 9 ms 12032 KB Output is correct
44 Correct 8 ms 12064 KB Output is correct
45 Correct 9 ms 12032 KB Output is correct
46 Correct 10 ms 12032 KB Output is correct
47 Correct 9 ms 12032 KB Output is correct
48 Correct 9 ms 12032 KB Output is correct
49 Correct 12 ms 12032 KB Output is correct
50 Correct 8 ms 12032 KB Output is correct
51 Correct 9 ms 12064 KB Output is correct
52 Correct 9 ms 12160 KB Output is correct
53 Correct 11 ms 12160 KB Output is correct
54 Correct 17 ms 12928 KB Output is correct
55 Correct 19 ms 12928 KB Output is correct
56 Correct 112 ms 18584 KB Output is correct
57 Correct 127 ms 18668 KB Output is correct
58 Correct 106 ms 18736 KB Output is correct
59 Correct 116 ms 18648 KB Output is correct
60 Correct 127 ms 18788 KB Output is correct
61 Correct 110 ms 18668 KB Output is correct
62 Correct 121 ms 18588 KB Output is correct
63 Correct 113 ms 18676 KB Output is correct
64 Correct 110 ms 18648 KB Output is correct
65 Correct 120 ms 18688 KB Output is correct
66 Correct 115 ms 18700 KB Output is correct
67 Correct 111 ms 18672 KB Output is correct
68 Correct 114 ms 18668 KB Output is correct
69 Correct 9 ms 12032 KB Output is correct
70 Correct 12 ms 12032 KB Output is correct
71 Correct 110 ms 18696 KB Output is correct
72 Correct 113 ms 18596 KB Output is correct
73 Correct 114 ms 18676 KB Output is correct
74 Correct 9 ms 12032 KB Output is correct
75 Correct 9 ms 12032 KB Output is correct
76 Correct 11 ms 12032 KB Output is correct
77 Correct 8 ms 12032 KB Output is correct
78 Correct 162 ms 23940 KB Output is correct
79 Correct 138 ms 19212 KB Output is correct
80 Correct 183 ms 23928 KB Output is correct
81 Correct 126 ms 18672 KB Output is correct
82 Correct 158 ms 23932 KB Output is correct
83 Correct 181 ms 20924 KB Output is correct
84 Correct 8 ms 12032 KB Output is correct
85 Correct 9 ms 12032 KB Output is correct
86 Correct 11 ms 12032 KB Output is correct
87 Correct 11 ms 12032 KB Output is correct
88 Correct 9 ms 12160 KB Output is correct
89 Correct 9 ms 12160 KB Output is correct
90 Correct 10 ms 12160 KB Output is correct
91 Correct 9 ms 12160 KB Output is correct
92 Correct 10 ms 12288 KB Output is correct
93 Correct 10 ms 12160 KB Output is correct
94 Correct 10 ms 12160 KB Output is correct
95 Correct 9 ms 12160 KB Output is correct
96 Correct 9 ms 12160 KB Output is correct
97 Correct 9 ms 12160 KB Output is correct
98 Correct 9 ms 12160 KB Output is correct
99 Correct 9 ms 12160 KB Output is correct
100 Correct 10 ms 12160 KB Output is correct
101 Correct 21 ms 13312 KB Output is correct
102 Correct 22 ms 12960 KB Output is correct
103 Correct 284 ms 23928 KB Output is correct
104 Correct 203 ms 23928 KB Output is correct
105 Correct 204 ms 21240 KB Output is correct
106 Correct 173 ms 24056 KB Output is correct
107 Correct 152 ms 19320 KB Output is correct
108 Correct 137 ms 19832 KB Output is correct
109 Correct 136 ms 18944 KB Output is correct
110 Correct 109 ms 18672 KB Output is correct
111 Correct 172 ms 23288 KB Output is correct
112 Correct 195 ms 22776 KB Output is correct
113 Correct 171 ms 19448 KB Output is correct
114 Correct 159 ms 24056 KB Output is correct
115 Correct 152 ms 23928 KB Output is correct