oj.uz

답안 #268130

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
268130 2020-08-16T09:08:34 Z shinjan Arranging Shoes (IOI19_shoes) C++14
100 / 100
 204 ms 138744 KB 
#include <iostream>
#include <bits/stdc++.h>
#include "shoes.h"
#define maxN 200005
using namespace std;
int fen[maxN];
void add(int ind,int n)
{
    for(int i=ind;i<=n;i+=(i&(-i)))
    {
        fen[i]++;
    }
}
void brisi(int ind,int n)
{
    for(int i=ind;i<=n;i+=(i&(-i)))
    {
        fen[i]--;
    }
}
long long sum(int ind)
{
    long long ans=0;
    for(int i=ind;i>=1;i-=(i&(-i)))
    {
        ans+=fen[i];
    }
    return ans;
}
long long count_swaps(vector <int> s)
{
    int n=s.size();
    long long ans=0;
    queue<int> neg[n/2+1];
    queue<int> poz[n/2+1];
    for(int i=0;i<s.size();i++)
    {
        if(s[i]>0)
        {
            if(neg[s[i]].size()!=0)
            {
                int pos=neg[s[i]].front();
                ans-=(sum(i)-sum(pos+1));
                brisi(pos+1,n);
                ans+=(i-pos-1);
                neg[s[i]].pop();
            }
            else{
                poz[s[i]].push(i);
                add(i+1,n);
            }
        }
        if(s[i]<0)
        {
            int x=abs(s[i]);
            if(poz[x].size()!=0)
            {
                int pos=poz[x].front();
                ans-=(sum(i)-sum(pos+1));
                brisi(pos+1,n);
                ans+=(i-pos);
                poz[x].pop();
            }
            else{
                neg[x].push(i);
                add(i+1,n);
            }
        }
    }
    return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:36:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |     for(int i=0;i<s.size();i++)
      |                 ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 1 ms 372 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 0 ms 256 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 1 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 1 ms 256 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 0 ms 256 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 512 KB Output is correct
17 Correct 1 ms 768 KB Output is correct
18 Correct 2 ms 1696 KB Output is correct
19 Correct 2 ms 1792 KB Output is correct
20 Correct 15 ms 14080 KB Output is correct
21 Correct 18 ms 14080 KB Output is correct
22 Correct 170 ms 137720 KB Output is correct
23 Correct 149 ms 138616 KB Output is correct
24 Correct 152 ms 138616 KB Output is correct
25 Correct 141 ms 138360 KB Output is correct
26 Correct 149 ms 138616 KB Output is correct
27 Correct 164 ms 138360 KB Output is correct
28 Correct 148 ms 138616 KB Output is correct
29 Correct 150 ms 138616 KB Output is correct
30 Correct 147 ms 138744 KB Output is correct
31 Correct 147 ms 138616 KB Output is correct
32 Correct 145 ms 138616 KB Output is correct
33 Correct 139 ms 138360 KB Output is correct
34 Correct 149 ms 138616 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 172 ms 138616 KB Output is correct
38 Correct 144 ms 138744 KB Output is correct
39 Correct 144 ms 138616 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 184 ms 137336 KB Output is correct
6 Correct 200 ms 138136 KB Output is correct
7 Correct 184 ms 138232 KB Output is correct
8 Correct 146 ms 138712 KB Output is correct
9 Correct 182 ms 138180 KB Output is correct
10 Correct 181 ms 138232 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 1 ms 372 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 0 ms 256 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 1 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 1 ms 256 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 0 ms 256 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 1 ms 384 KB Output is correct
38 Correct 0 ms 384 KB Output is correct
39 Correct 1 ms 500 KB Output is correct
40 Correct 1 ms 768 KB Output is correct
41 Correct 2 ms 1664 KB Output is correct
42 Correct 2 ms 1664 KB Output is correct
43 Correct 2 ms 1664 KB Output is correct
44 Correct 2 ms 1664 KB Output is correct
45 Correct 2 ms 1664 KB Output is correct
46 Correct 2 ms 1664 KB Output is correct
47 Correct 2 ms 1664 KB Output is correct
48 Correct 2 ms 1664 KB Output is correct
49 Correct 2 ms 1664 KB Output is correct
50 Correct 2 ms 1664 KB Output is correct
51 Correct 2 ms 1664 KB Output is correct
52 Correct 2 ms 1664 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 1 ms 372 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 0 ms 256 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 1 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 1 ms 256 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 0 ms 256 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 1 ms 256 KB Output is correct
38 Correct 1 ms 256 KB Output is correct
39 Correct 0 ms 256 KB Output is correct
40 Correct 1 ms 256 KB Output is correct
41 Correct 0 ms 256 KB Output is correct
42 Correct 1 ms 256 KB Output is correct
43 Correct 0 ms 256 KB Output is correct
44 Correct 1 ms 256 KB Output is correct
45 Correct 1 ms 256 KB Output is correct
46 Correct 1 ms 256 KB Output is correct
47 Correct 0 ms 384 KB Output is correct
48 Correct 1 ms 384 KB Output is correct
49 Correct 1 ms 384 KB Output is correct
50 Correct 1 ms 512 KB Output is correct
51 Correct 1 ms 768 KB Output is correct
52 Correct 2 ms 1696 KB Output is correct
53 Correct 2 ms 1792 KB Output is correct
54 Correct 15 ms 14080 KB Output is correct
55 Correct 18 ms 14080 KB Output is correct
56 Correct 170 ms 137720 KB Output is correct
57 Correct 149 ms 138616 KB Output is correct
58 Correct 152 ms 138616 KB Output is correct
59 Correct 141 ms 138360 KB Output is correct
60 Correct 149 ms 138616 KB Output is correct
61 Correct 164 ms 138360 KB Output is correct
62 Correct 148 ms 138616 KB Output is correct
63 Correct 150 ms 138616 KB Output is correct
64 Correct 147 ms 138744 KB Output is correct
65 Correct 147 ms 138616 KB Output is correct
66 Correct 145 ms 138616 KB Output is correct
67 Correct 139 ms 138360 KB Output is correct
68 Correct 149 ms 138616 KB Output is correct
69 Correct 1 ms 384 KB Output is correct
70 Correct 1 ms 384 KB Output is correct
71 Correct 172 ms 138616 KB Output is correct
72 Correct 144 ms 138744 KB Output is correct
73 Correct 144 ms 138616 KB Output is correct
74 Correct 0 ms 384 KB Output is correct
75 Correct 1 ms 256 KB Output is correct
76 Correct 0 ms 256 KB Output is correct
77 Correct 1 ms 256 KB Output is correct
78 Correct 184 ms 137336 KB Output is correct
79 Correct 200 ms 138136 KB Output is correct
80 Correct 184 ms 138232 KB Output is correct
81 Correct 146 ms 138712 KB Output is correct
82 Correct 182 ms 138180 KB Output is correct
83 Correct 181 ms 138232 KB Output is correct
84 Correct 1 ms 384 KB Output is correct
85 Correct 0 ms 384 KB Output is correct
86 Correct 1 ms 500 KB Output is correct
87 Correct 1 ms 768 KB Output is correct
88 Correct 2 ms 1664 KB Output is correct
89 Correct 2 ms 1664 KB Output is correct
90 Correct 2 ms 1664 KB Output is correct
91 Correct 2 ms 1664 KB Output is correct
92 Correct 2 ms 1664 KB Output is correct
93 Correct 2 ms 1664 KB Output is correct
94 Correct 2 ms 1664 KB Output is correct
95 Correct 2 ms 1664 KB Output is correct
96 Correct 2 ms 1664 KB Output is correct
97 Correct 2 ms 1664 KB Output is correct
98 Correct 2 ms 1664 KB Output is correct
99 Correct 2 ms 1664 KB Output is correct
100 Correct 2 ms 1664 KB Output is correct
101 Correct 16 ms 14080 KB Output is correct
102 Correct 16 ms 14080 KB Output is correct
103 Correct 192 ms 138488 KB Output is correct
104 Correct 172 ms 138488 KB Output is correct
105 Correct 174 ms 138488 KB Output is correct
106 Correct 181 ms 138232 KB Output is correct
107 Correct 164 ms 138488 KB Output is correct
108 Correct 170 ms 138704 KB Output is correct
109 Correct 147 ms 138688 KB Output is correct
110 Correct 150 ms 138616 KB Output is correct
111 Correct 204 ms 138236 KB Output is correct
112 Correct 195 ms 138616 KB Output is correct
113 Correct 167 ms 138108 KB Output is correct
114 Correct 180 ms 138232 KB Output is correct
115 Correct 182 ms 138232 KB Output is correct