oj.uz

Submission #644407

# Submission time Handle Problem Language Result Execution time Memory
644407 2022-09-24T15:53:16 Z a_aguilo Arranging Shoes (IOI19_shoes) C++14
100 / 100
 344 ms 75948 KB 
#include "shoes.h"
#include<bits/stdc++.h>

using namespace std;

int N;

void change(int index, int delta, int BIT[]){
    for(; index <N; index += (index&(-index))){
        BIT[index]+=delta;
    }
}

int query(int index, int BIT[]){
    int ans = 0;
    for(; index > 0; index -= (index&(-index))) ans+= BIT[index];
    return ans;
}

long long count_swaps(vector<int> s) {
    map<int, queue<int>> M;
    N = s.size()+1;
    int BIT[N];
    memset(BIT, 0, sizeof(BIT));
    for(int i = 1; i < N; ++i) change(i, 1, BIT);
    long long ans = 0;
    for(int i = 0; i < s.size(); ++i){
        //cout << i << " " << ans << endl;
        if(M.find(-s[i]) == M.end()){
            if(M.find(s[i]) == M.end()){
                M[s[i]] = queue<int>({i});
            }
            else if(M[s[i]].empty()){
                M[s[i]] = queue<int>({i});
            }
            else{
                M[s[i]].push(i);
            }
        }
        else if(M[-s[i]].empty()){
            if(M.find(s[i]) == M.end()){
                M[s[i]] = queue<int>({i});
            }
            else if(M[s[i]].empty()){
                M[s[i]] = queue<int>({i});
            }
            else{
                M[s[i]].push(i);
            }
        }
        else{
            if(s[i] < 0) ans++;
            //cout << "a ";
            int prev = M[-s[i]].front();
            //cout <<"b ";
            M[-s[i]].pop();
            //cout <<"c ";
            ans += (long long)query(i, BIT)-(long long)query(prev+1, BIT);
            //cout <<"d ";
            change(i+1, -1, BIT);
            //cout << "e ";
            change(prev+1, 1, BIT);
        }

    }
	return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:27:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     for(int i = 0; i < s.size(); ++i){
      |                    ~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 296 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 304 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 304 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 216 KB Output is correct
36 Correct 1 ms 216 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 216 KB Output is correct
4 Correct 1 ms 216 KB Output is correct
5 Correct 1 ms 220 KB Output is correct
6 Correct 0 ms 304 KB Output is correct
7 Correct 1 ms 296 KB Output is correct
8 Correct 0 ms 220 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 296 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 3 ms 616 KB Output is correct
21 Correct 3 ms 596 KB Output is correct
22 Correct 30 ms 3884 KB Output is correct
23 Correct 38 ms 3884 KB Output is correct
24 Correct 30 ms 3884 KB Output is correct
25 Correct 27 ms 4004 KB Output is correct
26 Correct 29 ms 3788 KB Output is correct
27 Correct 39 ms 3640 KB Output is correct
28 Correct 33 ms 4276 KB Output is correct
29 Correct 27 ms 4276 KB Output is correct
30 Correct 27 ms 4304 KB Output is correct
31 Correct 29 ms 3880 KB Output is correct
32 Correct 27 ms 4264 KB Output is correct
33 Correct 29 ms 4048 KB Output is correct
34 Correct 27 ms 4324 KB Output is correct
35 Correct 0 ms 216 KB Output is correct
36 Correct 1 ms 216 KB Output is correct
37 Correct 30 ms 4260 KB Output is correct
38 Correct 29 ms 4336 KB Output is correct
39 Correct 27 ms 4264 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 216 KB Output is correct
4 Correct 0 ms 304 KB Output is correct
5 Correct 273 ms 75904 KB Output is correct
6 Correct 103 ms 10188 KB Output is correct
7 Correct 293 ms 75832 KB Output is correct
8 Correct 31 ms 4300 KB Output is correct
9 Correct 295 ms 75900 KB Output is correct
10 Correct 189 ms 39780 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 296 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 304 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 304 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 216 KB Output is correct
36 Correct 1 ms 216 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 2 ms 980 KB Output is correct
42 Correct 2 ms 944 KB Output is correct
43 Correct 2 ms 948 KB Output is correct
44 Correct 1 ms 852 KB Output is correct
45 Correct 2 ms 724 KB Output is correct
46 Correct 2 ms 596 KB Output is correct
47 Correct 1 ms 596 KB Output is correct
48 Correct 1 ms 468 KB Output is correct
49 Correct 1 ms 440 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 2 ms 980 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 296 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 304 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 304 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 216 KB Output is correct
36 Correct 1 ms 216 KB Output is correct
37 Correct 0 ms 216 KB Output is correct
38 Correct 1 ms 216 KB Output is correct
39 Correct 1 ms 220 KB Output is correct
40 Correct 0 ms 304 KB Output is correct
41 Correct 1 ms 296 KB Output is correct
42 Correct 0 ms 220 KB Output is correct
43 Correct 1 ms 312 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 296 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 3 ms 616 KB Output is correct
55 Correct 3 ms 596 KB Output is correct
56 Correct 30 ms 3884 KB Output is correct
57 Correct 38 ms 3884 KB Output is correct
58 Correct 30 ms 3884 KB Output is correct
59 Correct 27 ms 4004 KB Output is correct
60 Correct 29 ms 3788 KB Output is correct
61 Correct 39 ms 3640 KB Output is correct
62 Correct 33 ms 4276 KB Output is correct
63 Correct 27 ms 4276 KB Output is correct
64 Correct 27 ms 4304 KB Output is correct
65 Correct 29 ms 3880 KB Output is correct
66 Correct 27 ms 4264 KB Output is correct
67 Correct 29 ms 4048 KB Output is correct
68 Correct 27 ms 4324 KB Output is correct
69 Correct 0 ms 216 KB Output is correct
70 Correct 1 ms 216 KB Output is correct
71 Correct 30 ms 4260 KB Output is correct
72 Correct 29 ms 4336 KB Output is correct
73 Correct 27 ms 4264 KB Output is correct
74 Correct 0 ms 212 KB Output is correct
75 Correct 1 ms 212 KB Output is correct
76 Correct 1 ms 216 KB Output is correct
77 Correct 0 ms 304 KB Output is correct
78 Correct 273 ms 75904 KB Output is correct
79 Correct 103 ms 10188 KB Output is correct
80 Correct 293 ms 75832 KB Output is correct
81 Correct 31 ms 4300 KB Output is correct
82 Correct 295 ms 75900 KB Output is correct
83 Correct 189 ms 39780 KB Output is correct
84 Correct 0 ms 212 KB Output is correct
85 Correct 1 ms 212 KB Output is correct
86 Correct 1 ms 340 KB Output is correct
87 Correct 1 ms 468 KB Output is correct
88 Correct 2 ms 980 KB Output is correct
89 Correct 2 ms 944 KB Output is correct
90 Correct 2 ms 948 KB Output is correct
91 Correct 1 ms 852 KB Output is correct
92 Correct 2 ms 724 KB Output is correct
93 Correct 2 ms 596 KB Output is correct
94 Correct 1 ms 596 KB Output is correct
95 Correct 1 ms 468 KB Output is correct
96 Correct 1 ms 440 KB Output is correct
97 Correct 1 ms 212 KB Output is correct
98 Correct 1 ms 212 KB Output is correct
99 Correct 2 ms 980 KB Output is correct
100 Correct 2 ms 980 KB Output is correct
101 Correct 17 ms 7380 KB Output is correct
102 Correct 12 ms 2744 KB Output is correct
103 Correct 344 ms 75900 KB Output is correct
104 Correct 230 ms 75852 KB Output is correct
105 Correct 259 ms 57908 KB Output is correct
106 Correct 276 ms 75948 KB Output is correct
107 Correct 111 ms 11852 KB Output is correct
108 Correct 132 ms 19876 KB Output is correct
109 Correct 30 ms 4264 KB Output is correct
110 Correct 28 ms 4300 KB Output is correct
111 Correct 257 ms 67848 KB Output is correct
112 Correct 280 ms 60016 KB Output is correct
113 Correct 107 ms 12772 KB Output is correct
114 Correct 275 ms 75932 KB Output is correct
115 Correct 274 ms 75852 KB Output is correct