oj.uz

Submission #278506

# Submission time Handle Problem Language Result Execution time Memory
278506 2020-08-21T13:14:22 Z ctziapo Arranging Shoes (IOI19_shoes) C++14
100 / 100
 246 ms 25372 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 12064 KB Output is correct
4 Correct 8 ms 12032 KB Output is correct
5 Correct 8 ms 12032 KB Output is correct
6 Correct 8 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 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 8 ms 12032 KB Output is correct
14 Correct 8 ms 12032 KB Output is correct
15 Correct 8 ms 12032 KB Output is correct
16 Correct 8 ms 12032 KB Output is correct
17 Correct 8 ms 12032 KB Output is correct
18 Correct 8 ms 12032 KB Output is correct
19 Correct 8 ms 12032 KB Output is correct
20 Correct 9 ms 12160 KB Output is correct
21 Correct 10 ms 12032 KB Output is correct
22 Correct 9 ms 12032 KB Output is correct
23 Correct 8 ms 12032 KB Output is correct
24 Correct 8 ms 12160 KB Output is correct
25 Correct 9 ms 12032 KB Output is correct
26 Correct 8 ms 12032 KB Output is correct
27 Correct 8 ms 12032 KB Output is correct
28 Correct 10 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 8 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 12032 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 9 ms 12032 KB Output is correct
5 Correct 8 ms 12032 KB Output is correct
6 Correct 8 ms 12032 KB Output is correct
7 Correct 8 ms 12032 KB Output is correct
8 Correct 9 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 8 ms 12032 KB Output is correct
14 Correct 9 ms 12032 KB Output is correct
15 Correct 8 ms 12032 KB Output is correct
16 Correct 9 ms 12160 KB Output is correct
17 Correct 8 ms 12032 KB Output is correct
18 Correct 9 ms 12160 KB Output is correct
19 Correct 9 ms 12172 KB Output is correct
20 Correct 17 ms 12920 KB Output is correct
21 Correct 17 ms 12928 KB Output is correct
22 Correct 115 ms 18712 KB Output is correct
23 Correct 116 ms 19948 KB Output is correct
24 Correct 110 ms 20108 KB Output is correct
25 Correct 110 ms 19696 KB Output is correct
26 Correct 113 ms 19948 KB Output is correct
27 Correct 117 ms 19820 KB Output is correct
28 Correct 115 ms 19952 KB Output is correct
29 Correct 111 ms 19952 KB Output is correct
30 Correct 118 ms 19956 KB Output is correct
31 Correct 110 ms 19844 KB Output is correct
32 Correct 111 ms 19952 KB Output is correct
33 Correct 110 ms 19692 KB Output is correct
34 Correct 116 ms 19948 KB Output is correct
35 Correct 9 ms 12032 KB Output is correct
36 Correct 8 ms 12032 KB Output is correct
37 Correct 113 ms 19956 KB Output is correct
38 Correct 111 ms 19952 KB Output is correct
39 Correct 112 ms 20080 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 11 ms 12032 KB Output is correct
3 Correct 8 ms 12032 KB Output is correct
4 Correct 8 ms 12064 KB Output is correct
5 Correct 161 ms 23928 KB Output is correct
6 Correct 132 ms 20472 KB Output is correct
7 Correct 169 ms 25208 KB Output is correct
8 Correct 114 ms 19972 KB Output is correct
9 Correct 154 ms 25372 KB Output is correct
10 Correct 159 ms 22256 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 12064 KB Output is correct
4 Correct 8 ms 12032 KB Output is correct
5 Correct 8 ms 12032 KB Output is correct
6 Correct 8 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 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 8 ms 12032 KB Output is correct
14 Correct 8 ms 12032 KB Output is correct
15 Correct 8 ms 12032 KB Output is correct
16 Correct 8 ms 12032 KB Output is correct
17 Correct 8 ms 12032 KB Output is correct
18 Correct 8 ms 12032 KB Output is correct
19 Correct 8 ms 12032 KB Output is correct
20 Correct 9 ms 12160 KB Output is correct
21 Correct 10 ms 12032 KB Output is correct
22 Correct 9 ms 12032 KB Output is correct
23 Correct 8 ms 12032 KB Output is correct
24 Correct 8 ms 12160 KB Output is correct
25 Correct 9 ms 12032 KB Output is correct
26 Correct 8 ms 12032 KB Output is correct
27 Correct 8 ms 12032 KB Output is correct
28 Correct 10 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 8 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 12032 KB Output is correct
37 Correct 8 ms 12032 KB Output is correct
38 Correct 8 ms 12032 KB Output is correct
39 Correct 8 ms 12032 KB Output is correct
40 Correct 8 ms 12032 KB Output is correct
41 Correct 11 ms 12160 KB Output is correct
42 Correct 11 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 9 ms 12160 KB Output is correct
46 Correct 9 ms 12160 KB Output is correct
47 Correct 9 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 12064 KB Output is correct
4 Correct 8 ms 12032 KB Output is correct
5 Correct 8 ms 12032 KB Output is correct
6 Correct 8 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 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 8 ms 12032 KB Output is correct
14 Correct 8 ms 12032 KB Output is correct
15 Correct 8 ms 12032 KB Output is correct
16 Correct 8 ms 12032 KB Output is correct
17 Correct 8 ms 12032 KB Output is correct
18 Correct 8 ms 12032 KB Output is correct
19 Correct 8 ms 12032 KB Output is correct
20 Correct 9 ms 12160 KB Output is correct
21 Correct 10 ms 12032 KB Output is correct
22 Correct 9 ms 12032 KB Output is correct
23 Correct 8 ms 12032 KB Output is correct
24 Correct 8 ms 12160 KB Output is correct
25 Correct 9 ms 12032 KB Output is correct
26 Correct 8 ms 12032 KB Output is correct
27 Correct 8 ms 12032 KB Output is correct
28 Correct 10 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 8 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 12032 KB Output is correct
37 Correct 8 ms 12032 KB Output is correct
38 Correct 9 ms 12032 KB Output is correct
39 Correct 8 ms 12032 KB Output is correct
40 Correct 8 ms 12032 KB Output is correct
41 Correct 8 ms 12032 KB Output is correct
42 Correct 9 ms 12032 KB Output is correct
43 Correct 8 ms 12032 KB Output is correct
44 Correct 8 ms 12032 KB Output is correct
45 Correct 8 ms 12032 KB Output is correct
46 Correct 8 ms 12032 KB Output is correct
47 Correct 8 ms 12032 KB Output is correct
48 Correct 9 ms 12032 KB Output is correct
49 Correct 8 ms 12032 KB Output is correct
50 Correct 9 ms 12160 KB Output is correct
51 Correct 8 ms 12032 KB Output is correct
52 Correct 9 ms 12160 KB Output is correct
53 Correct 9 ms 12172 KB Output is correct
54 Correct 17 ms 12920 KB Output is correct
55 Correct 17 ms 12928 KB Output is correct
56 Correct 115 ms 18712 KB Output is correct
57 Correct 116 ms 19948 KB Output is correct
58 Correct 110 ms 20108 KB Output is correct
59 Correct 110 ms 19696 KB Output is correct
60 Correct 113 ms 19948 KB Output is correct
61 Correct 117 ms 19820 KB Output is correct
62 Correct 115 ms 19952 KB Output is correct
63 Correct 111 ms 19952 KB Output is correct
64 Correct 118 ms 19956 KB Output is correct
65 Correct 110 ms 19844 KB Output is correct
66 Correct 111 ms 19952 KB Output is correct
67 Correct 110 ms 19692 KB Output is correct
68 Correct 116 ms 19948 KB Output is correct
69 Correct 9 ms 12032 KB Output is correct
70 Correct 8 ms 12032 KB Output is correct
71 Correct 113 ms 19956 KB Output is correct
72 Correct 111 ms 19952 KB Output is correct
73 Correct 112 ms 20080 KB Output is correct
74 Correct 9 ms 12032 KB Output is correct
75 Correct 11 ms 12032 KB Output is correct
76 Correct 8 ms 12032 KB Output is correct
77 Correct 8 ms 12064 KB Output is correct
78 Correct 161 ms 23928 KB Output is correct
79 Correct 132 ms 20472 KB Output is correct
80 Correct 169 ms 25208 KB Output is correct
81 Correct 114 ms 19972 KB Output is correct
82 Correct 154 ms 25372 KB Output is correct
83 Correct 159 ms 22256 KB Output is correct
84 Correct 8 ms 12032 KB Output is correct
85 Correct 8 ms 12032 KB Output is correct
86 Correct 8 ms 12032 KB Output is correct
87 Correct 8 ms 12032 KB Output is correct
88 Correct 11 ms 12160 KB Output is correct
89 Correct 11 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 9 ms 12160 KB Output is correct
93 Correct 9 ms 12160 KB Output is correct
94 Correct 9 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 9 ms 12160 KB Output is correct
101 Correct 21 ms 13440 KB Output is correct
102 Correct 22 ms 13056 KB Output is correct
103 Correct 246 ms 25304 KB Output is correct
104 Correct 173 ms 25208 KB Output is correct
105 Correct 205 ms 22520 KB Output is correct
106 Correct 158 ms 25208 KB Output is correct
107 Correct 163 ms 20600 KB Output is correct
108 Correct 143 ms 20984 KB Output is correct
109 Correct 116 ms 20336 KB Output is correct
110 Correct 120 ms 20080 KB Output is correct
111 Correct 162 ms 24556 KB Output is correct
112 Correct 185 ms 23800 KB Output is correct
113 Correct 156 ms 20600 KB Output is correct
114 Correct 150 ms 25208 KB Output is correct
115 Correct 158 ms 25336 KB Output is correct