oj.uz

Submission #984572

# Submission time Handle Problem Language Result Execution time Memory
984572 2024-05-16T19:17:17 Z SzymonKrzywda Arranging Shoes (IOI19_shoes) C++17
100 / 100
 64 ms 20948 KB 
//#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

const int base = 2<<18;
int tree[base*2+7];

void edit(int n){
    n+=base;
    while (n>0){
        tree[n] += 1;
        n/=2;
    }
}

int query(int a,int b){
    a+=base-1;
    b+=base+1;
    int wynik=0;
    while (a/2 != b/2){
        if (a%2==0) wynik += tree[a+1];
        if (b%2==1) wynik += tree[b-1];
        a/=2;
        b/=2;
    }
    return wynik;
}


long unsigned int count_swaps(vector<int>S){
    long long wynik = 0,len=S.size(),idx_1=0,akt_liczba=0,idx_2=0,idx_3=0;
    pair< vector<int>,int> idx[200007];
    int base_2 = 100001;
    for (int i=0; i<S.size(); i++){
        idx[S[i]+base_2].first.push_back(i);
    }
    
    vector<pair<int,int>> stos(0);
    bool uzyte[200007];
    //Zerujemy 
    for (int i=0; i<200007; i++) uzyte[i] = false;
    
    for (int i=0; i<S.size(); i++){
        //cout << i << " " << uzyte[i] << endl;
        if (!uzyte[i]){
            idx_1 = i;
            idx_2 = idx[(-S[i])+base_2].first[idx[(-S[i])+base_2].second];
            idx[(-S[i])+base_2].second += 1;
            idx[S[i]+base_2].second +=1;
            uzyte[idx_1] = true;
            uzyte[idx_2] = true;
            if (S[idx_2] < S[idx_1]) swap(idx_1,idx_2);
            stos.push_back({idx_1,idx_2});
        }
    }
    //cout << stos.size() << endl; 
    for (int i=0; i<stos.size(); i++){
        //cout << stos[i].first << " " << stos[i].second << endl;
    
        idx_2=stos[i].first;
        wynik += idx_2-(i*2)+query(idx_2+1,len);
        edit(idx_2);
        //cout << wynik << endl;
        
        
        idx_3 = stos[i].second;
        wynik += idx_3-((i*2)+1)+query(idx_3+1,len);
        edit(idx_3);
        //cout << wynik << endl << endl;
    }
    for (int j=0; j<base*2+7; j++){
        tree[j] = 0;
    }

    return wynik;
}

Compilation message

shoes.cpp: In function 'long unsigned int count_swaps(std::vector<int>)':
shoes.cpp:34:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |     for (int i=0; i<S.size(); i++){
      |                   ~^~~~~~~~~
shoes.cpp:43:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |     for (int i=0; i<S.size(); i++){
      |                   ~^~~~~~~~~
shoes.cpp:57:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |     for (int i=0; i<stos.size(); i++){
      |                   ~^~~~~~~~~~~~
shoes.cpp:31:46: warning: unused variable 'akt_liczba' [-Wunused-variable]
   31 |     long long wynik = 0,len=S.size(),idx_1=0,akt_liczba=0,idx_2=0,idx_3=0;
      |                                              ^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 10844 KB Output is correct
2 Correct 5 ms 10844 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 10844 KB Output is correct
2 Correct 5 ms 10844 KB Output is correct
3 Correct 6 ms 10844 KB Output is correct
4 Correct 6 ms 10872 KB Output is correct
5 Correct 5 ms 10844 KB Output is correct
6 Correct 5 ms 10844 KB Output is correct
7 Correct 6 ms 10844 KB Output is correct
8 Correct 6 ms 10844 KB Output is correct
9 Correct 6 ms 10844 KB Output is correct
10 Correct 6 ms 10844 KB Output is correct
11 Correct 5 ms 10844 KB Output is correct
12 Correct 5 ms 10840 KB Output is correct
13 Correct 8 ms 10948 KB Output is correct
14 Correct 7 ms 10844 KB Output is correct
15 Correct 6 ms 10844 KB Output is correct
16 Correct 6 ms 10844 KB Output is correct
17 Correct 5 ms 10840 KB Output is correct
18 Correct 6 ms 10840 KB Output is correct
19 Correct 6 ms 10840 KB Output is correct
20 Correct 6 ms 10844 KB Output is correct
21 Correct 6 ms 10844 KB Output is correct
22 Correct 6 ms 11096 KB Output is correct
23 Correct 5 ms 10844 KB Output is correct
24 Correct 6 ms 11096 KB Output is correct
25 Correct 6 ms 10844 KB Output is correct
26 Correct 6 ms 10844 KB Output is correct
27 Correct 6 ms 10768 KB Output is correct
28 Correct 6 ms 10844 KB Output is correct
29 Correct 7 ms 10892 KB Output is correct
30 Correct 6 ms 10844 KB Output is correct
31 Correct 6 ms 10844 KB Output is correct
32 Correct 6 ms 10844 KB Output is correct
33 Correct 6 ms 10844 KB Output is correct
34 Correct 5 ms 10844 KB Output is correct
35 Correct 6 ms 10844 KB Output is correct
36 Correct 6 ms 10844 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 10844 KB Output is correct
2 Correct 5 ms 10844 KB Output is correct
3 Correct 6 ms 10844 KB Output is correct
4 Correct 6 ms 10844 KB Output is correct
5 Correct 6 ms 10840 KB Output is correct
6 Correct 6 ms 10844 KB Output is correct
7 Correct 5 ms 10844 KB Output is correct
8 Correct 6 ms 10844 KB Output is correct
9 Correct 6 ms 10844 KB Output is correct
10 Correct 6 ms 10840 KB Output is correct
11 Correct 6 ms 10844 KB Output is correct
12 Correct 6 ms 10844 KB Output is correct
13 Correct 6 ms 10844 KB Output is correct
14 Correct 6 ms 10844 KB Output is correct
15 Correct 6 ms 10844 KB Output is correct
16 Correct 6 ms 11096 KB Output is correct
17 Correct 6 ms 10844 KB Output is correct
18 Correct 6 ms 10844 KB Output is correct
19 Correct 6 ms 10844 KB Output is correct
20 Correct 9 ms 11400 KB Output is correct
21 Correct 9 ms 11356 KB Output is correct
22 Correct 43 ms 14232 KB Output is correct
23 Correct 50 ms 14224 KB Output is correct
24 Correct 42 ms 14148 KB Output is correct
25 Correct 39 ms 14024 KB Output is correct
26 Correct 42 ms 15432 KB Output is correct
27 Correct 45 ms 15360 KB Output is correct
28 Correct 40 ms 15300 KB Output is correct
29 Correct 40 ms 15300 KB Output is correct
30 Correct 41 ms 15276 KB Output is correct
31 Correct 41 ms 15464 KB Output is correct
32 Correct 45 ms 15324 KB Output is correct
33 Correct 40 ms 15276 KB Output is correct
34 Correct 40 ms 15304 KB Output is correct
35 Correct 6 ms 10844 KB Output is correct
36 Correct 6 ms 10840 KB Output is correct
37 Correct 42 ms 15280 KB Output is correct
38 Correct 42 ms 15300 KB Output is correct
39 Correct 51 ms 15272 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11044 KB Output is correct
2 Correct 5 ms 11092 KB Output is correct
3 Correct 5 ms 10844 KB Output is correct
4 Correct 6 ms 10844 KB Output is correct
5 Correct 58 ms 19468 KB Output is correct
6 Correct 48 ms 16084 KB Output is correct
7 Correct 61 ms 20772 KB Output is correct
8 Correct 42 ms 15532 KB Output is correct
9 Correct 58 ms 20932 KB Output is correct
10 Correct 53 ms 17848 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 10844 KB Output is correct
2 Correct 5 ms 10844 KB Output is correct
3 Correct 6 ms 10844 KB Output is correct
4 Correct 6 ms 10872 KB Output is correct
5 Correct 5 ms 10844 KB Output is correct
6 Correct 5 ms 10844 KB Output is correct
7 Correct 6 ms 10844 KB Output is correct
8 Correct 6 ms 10844 KB Output is correct
9 Correct 6 ms 10844 KB Output is correct
10 Correct 6 ms 10844 KB Output is correct
11 Correct 5 ms 10844 KB Output is correct
12 Correct 5 ms 10840 KB Output is correct
13 Correct 8 ms 10948 KB Output is correct
14 Correct 7 ms 10844 KB Output is correct
15 Correct 6 ms 10844 KB Output is correct
16 Correct 6 ms 10844 KB Output is correct
17 Correct 5 ms 10840 KB Output is correct
18 Correct 6 ms 10840 KB Output is correct
19 Correct 6 ms 10840 KB Output is correct
20 Correct 6 ms 10844 KB Output is correct
21 Correct 6 ms 10844 KB Output is correct
22 Correct 6 ms 11096 KB Output is correct
23 Correct 5 ms 10844 KB Output is correct
24 Correct 6 ms 11096 KB Output is correct
25 Correct 6 ms 10844 KB Output is correct
26 Correct 6 ms 10844 KB Output is correct
27 Correct 6 ms 10768 KB Output is correct
28 Correct 6 ms 10844 KB Output is correct
29 Correct 7 ms 10892 KB Output is correct
30 Correct 6 ms 10844 KB Output is correct
31 Correct 6 ms 10844 KB Output is correct
32 Correct 6 ms 10844 KB Output is correct
33 Correct 6 ms 10844 KB Output is correct
34 Correct 5 ms 10844 KB Output is correct
35 Correct 6 ms 10844 KB Output is correct
36 Correct 6 ms 10844 KB Output is correct
37 Correct 6 ms 10840 KB Output is correct
38 Correct 6 ms 10844 KB Output is correct
39 Correct 6 ms 10844 KB Output is correct
40 Correct 7 ms 10844 KB Output is correct
41 Correct 6 ms 10840 KB Output is correct
42 Correct 6 ms 10840 KB Output is correct
43 Correct 6 ms 11096 KB Output is correct
44 Correct 6 ms 11096 KB Output is correct
45 Correct 6 ms 10840 KB Output is correct
46 Correct 6 ms 10844 KB Output is correct
47 Correct 6 ms 10840 KB Output is correct
48 Correct 6 ms 10844 KB Output is correct
49 Correct 6 ms 10960 KB Output is correct
50 Correct 6 ms 10844 KB Output is correct
51 Correct 6 ms 10844 KB Output is correct
52 Correct 6 ms 10840 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 10844 KB Output is correct
2 Correct 5 ms 10844 KB Output is correct
3 Correct 6 ms 10844 KB Output is correct
4 Correct 6 ms 10872 KB Output is correct
5 Correct 5 ms 10844 KB Output is correct
6 Correct 5 ms 10844 KB Output is correct
7 Correct 6 ms 10844 KB Output is correct
8 Correct 6 ms 10844 KB Output is correct
9 Correct 6 ms 10844 KB Output is correct
10 Correct 6 ms 10844 KB Output is correct
11 Correct 5 ms 10844 KB Output is correct
12 Correct 5 ms 10840 KB Output is correct
13 Correct 8 ms 10948 KB Output is correct
14 Correct 7 ms 10844 KB Output is correct
15 Correct 6 ms 10844 KB Output is correct
16 Correct 6 ms 10844 KB Output is correct
17 Correct 5 ms 10840 KB Output is correct
18 Correct 6 ms 10840 KB Output is correct
19 Correct 6 ms 10840 KB Output is correct
20 Correct 6 ms 10844 KB Output is correct
21 Correct 6 ms 10844 KB Output is correct
22 Correct 6 ms 11096 KB Output is correct
23 Correct 5 ms 10844 KB Output is correct
24 Correct 6 ms 11096 KB Output is correct
25 Correct 6 ms 10844 KB Output is correct
26 Correct 6 ms 10844 KB Output is correct
27 Correct 6 ms 10768 KB Output is correct
28 Correct 6 ms 10844 KB Output is correct
29 Correct 7 ms 10892 KB Output is correct
30 Correct 6 ms 10844 KB Output is correct
31 Correct 6 ms 10844 KB Output is correct
32 Correct 6 ms 10844 KB Output is correct
33 Correct 6 ms 10844 KB Output is correct
34 Correct 5 ms 10844 KB Output is correct
35 Correct 6 ms 10844 KB Output is correct
36 Correct 6 ms 10844 KB Output is correct
37 Correct 6 ms 10844 KB Output is correct
38 Correct 6 ms 10844 KB Output is correct
39 Correct 6 ms 10840 KB Output is correct
40 Correct 6 ms 10844 KB Output is correct
41 Correct 5 ms 10844 KB Output is correct
42 Correct 6 ms 10844 KB Output is correct
43 Correct 6 ms 10844 KB Output is correct
44 Correct 6 ms 10840 KB Output is correct
45 Correct 6 ms 10844 KB Output is correct
46 Correct 6 ms 10844 KB Output is correct
47 Correct 6 ms 10844 KB Output is correct
48 Correct 6 ms 10844 KB Output is correct
49 Correct 6 ms 10844 KB Output is correct
50 Correct 6 ms 11096 KB Output is correct
51 Correct 6 ms 10844 KB Output is correct
52 Correct 6 ms 10844 KB Output is correct
53 Correct 6 ms 10844 KB Output is correct
54 Correct 9 ms 11400 KB Output is correct
55 Correct 9 ms 11356 KB Output is correct
56 Correct 43 ms 14232 KB Output is correct
57 Correct 50 ms 14224 KB Output is correct
58 Correct 42 ms 14148 KB Output is correct
59 Correct 39 ms 14024 KB Output is correct
60 Correct 42 ms 15432 KB Output is correct
61 Correct 45 ms 15360 KB Output is correct
62 Correct 40 ms 15300 KB Output is correct
63 Correct 40 ms 15300 KB Output is correct
64 Correct 41 ms 15276 KB Output is correct
65 Correct 41 ms 15464 KB Output is correct
66 Correct 45 ms 15324 KB Output is correct
67 Correct 40 ms 15276 KB Output is correct
68 Correct 40 ms 15304 KB Output is correct
69 Correct 6 ms 10844 KB Output is correct
70 Correct 6 ms 10840 KB Output is correct
71 Correct 42 ms 15280 KB Output is correct
72 Correct 42 ms 15300 KB Output is correct
73 Correct 51 ms 15272 KB Output is correct
74 Correct 6 ms 11044 KB Output is correct
75 Correct 5 ms 11092 KB Output is correct
76 Correct 5 ms 10844 KB Output is correct
77 Correct 6 ms 10844 KB Output is correct
78 Correct 58 ms 19468 KB Output is correct
79 Correct 48 ms 16084 KB Output is correct
80 Correct 61 ms 20772 KB Output is correct
81 Correct 42 ms 15532 KB Output is correct
82 Correct 58 ms 20932 KB Output is correct
83 Correct 53 ms 17848 KB Output is correct
84 Correct 6 ms 10840 KB Output is correct
85 Correct 6 ms 10844 KB Output is correct
86 Correct 6 ms 10844 KB Output is correct
87 Correct 7 ms 10844 KB Output is correct
88 Correct 6 ms 10840 KB Output is correct
89 Correct 6 ms 10840 KB Output is correct
90 Correct 6 ms 11096 KB Output is correct
91 Correct 6 ms 11096 KB Output is correct
92 Correct 6 ms 10840 KB Output is correct
93 Correct 6 ms 10844 KB Output is correct
94 Correct 6 ms 10840 KB Output is correct
95 Correct 6 ms 10844 KB Output is correct
96 Correct 6 ms 10960 KB Output is correct
97 Correct 6 ms 10844 KB Output is correct
98 Correct 6 ms 10844 KB Output is correct
99 Correct 6 ms 10840 KB Output is correct
100 Correct 6 ms 10844 KB Output is correct
101 Correct 11 ms 11976 KB Output is correct
102 Correct 10 ms 11612 KB Output is correct
103 Correct 64 ms 20764 KB Output is correct
104 Correct 57 ms 20948 KB Output is correct
105 Correct 61 ms 18116 KB Output is correct
106 Correct 58 ms 20840 KB Output is correct
107 Correct 49 ms 16144 KB Output is correct
108 Correct 55 ms 16568 KB Output is correct
109 Correct 47 ms 15812 KB Output is correct
110 Correct 40 ms 15440 KB Output is correct
111 Correct 59 ms 20164 KB Output is correct
112 Correct 60 ms 19404 KB Output is correct
113 Correct 50 ms 16080 KB Output is correct
114 Correct 58 ms 20732 KB Output is correct
115 Correct 57 ms 20928 KB Output is correct