oj.uz

Submission #159198

# Submission time Handle Problem Language Result Execution time Memory
159198 2019-10-21T13:11:41 Z Mathew Arranging Shoes (IOI19_shoes) C++14
100 / 100
 272 ms 144200 KB 
#include<bits/stdc++.h>
#define MAX 500000
using namespace std;

long long n,to[200050],pairs=0,br=0;
queue <long long> found[200050];
long long from[200050],perm[200050];

int tree[MAX+1];

int query(int idx)
{
    int sum=0;
    ++idx;
    for(; idx < MAX;idx+=(idx & -idx))sum+=tree[idx];
    return sum;
}

void update(int idx, int delta)
{
    ++idx;
    for(; idx >0;idx-=(idx & -idx))tree[idx]+=delta;
}

long long count_swaps(vector <int> shoes)
{
    long long i,j;
    n=shoes.size()/2;
    for(i=0;i<2*n;i++)perm[i]=i;
    for(i=0;i<2*n;i++)
    {
        if(shoes[i]<0)
        {
            if(found[shoes[i]+n].empty()==false)
            {
                to[i]=found[shoes[i]+n].front();
                found[shoes[i]+n].pop();
            }
            else
            {
                to[i]=pairs;
                found[n-shoes[i]].push(pairs+1);
                pairs+=2;
            }
        }
        
        else
        {
            if(found[shoes[i]+n].empty()==false)
            {
                to[i]=found[shoes[i]+n].front();
                found[shoes[i]+n].pop();
            }
            else
            {
                to[i]=pairs+1;
                found[n-shoes[i]].push(pairs);
                pairs+=2;
            }
        }
    }
    
    for(i=0;i<2*n;i++)from[to[i]]=i;
    
    //for(i=0;i<2*n;i++)cout<<to[i]<<' ';cout<<endl;
    //for(i=0;i<2*n;i++)cout<<from[i]<<' ';cout<<endl;
    
    for(i=0;i<2*n;i++)
    {
        int curr=query(from[i])+from[i];
        br+=(long long)abs(curr-i);
        update(from[i],1);
    }
    return br;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:27:17: warning: unused variable 'j' [-Wunused-variable]
     long long i,j;
                 ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 135 ms 135032 KB Output is correct
2 Correct 139 ms 135004 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 135 ms 135032 KB Output is correct
2 Correct 139 ms 135004 KB Output is correct
3 Correct 146 ms 135032 KB Output is correct
4 Correct 150 ms 135160 KB Output is correct
5 Correct 135 ms 135016 KB Output is correct
6 Correct 135 ms 135140 KB Output is correct
7 Correct 135 ms 135032 KB Output is correct
8 Correct 135 ms 135080 KB Output is correct
9 Correct 134 ms 135020 KB Output is correct
10 Correct 134 ms 135032 KB Output is correct
11 Correct 149 ms 135012 KB Output is correct
12 Correct 137 ms 135032 KB Output is correct
13 Correct 135 ms 135088 KB Output is correct
14 Correct 135 ms 135032 KB Output is correct
15 Correct 134 ms 135032 KB Output is correct
16 Correct 135 ms 135012 KB Output is correct
17 Correct 135 ms 135032 KB Output is correct
18 Correct 136 ms 134956 KB Output is correct
19 Correct 136 ms 135032 KB Output is correct
20 Correct 136 ms 135036 KB Output is correct
21 Correct 136 ms 135032 KB Output is correct
22 Correct 134 ms 135032 KB Output is correct
23 Correct 135 ms 134956 KB Output is correct
24 Correct 135 ms 135020 KB Output is correct
25 Correct 134 ms 134976 KB Output is correct
26 Correct 134 ms 135004 KB Output is correct
27 Correct 135 ms 135032 KB Output is correct
28 Correct 140 ms 134968 KB Output is correct
29 Correct 134 ms 135032 KB Output is correct
30 Correct 136 ms 135072 KB Output is correct
31 Correct 135 ms 135032 KB Output is correct
32 Correct 136 ms 135032 KB Output is correct
33 Correct 160 ms 134952 KB Output is correct
34 Correct 170 ms 134940 KB Output is correct
35 Correct 137 ms 134928 KB Output is correct
36 Correct 134 ms 134940 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 135 ms 135032 KB Output is correct
2 Correct 139 ms 135004 KB Output is correct
3 Correct 135 ms 135032 KB Output is correct
4 Correct 134 ms 135004 KB Output is correct
5 Correct 136 ms 135032 KB Output is correct
6 Correct 135 ms 135060 KB Output is correct
7 Correct 135 ms 135032 KB Output is correct
8 Correct 135 ms 135064 KB Output is correct
9 Correct 136 ms 135032 KB Output is correct
10 Correct 136 ms 135032 KB Output is correct
11 Correct 135 ms 134996 KB Output is correct
12 Correct 134 ms 135032 KB Output is correct
13 Correct 137 ms 135008 KB Output is correct
14 Correct 138 ms 135004 KB Output is correct
15 Correct 137 ms 135032 KB Output is correct
16 Correct 148 ms 134980 KB Output is correct
17 Correct 148 ms 135032 KB Output is correct
18 Correct 162 ms 135012 KB Output is correct
19 Correct 184 ms 135160 KB Output is correct
20 Correct 149 ms 135672 KB Output is correct
21 Correct 152 ms 135648 KB Output is correct
22 Correct 272 ms 142028 KB Output is correct
23 Correct 170 ms 142072 KB Output is correct
24 Correct 179 ms 142060 KB Output is correct
25 Correct 179 ms 142888 KB Output is correct
26 Correct 185 ms 143404 KB Output is correct
27 Correct 170 ms 143096 KB Output is correct
28 Correct 181 ms 144120 KB Output is correct
29 Correct 184 ms 144180 KB Output is correct
30 Correct 187 ms 144180 KB Output is correct
31 Correct 197 ms 143352 KB Output is correct
32 Correct 176 ms 144192 KB Output is correct
33 Correct 178 ms 144048 KB Output is correct
34 Correct 180 ms 144120 KB Output is correct
35 Correct 135 ms 134956 KB Output is correct
36 Correct 136 ms 135032 KB Output is correct
37 Correct 176 ms 144192 KB Output is correct
38 Correct 177 ms 144120 KB Output is correct
39 Correct 177 ms 144200 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 143 ms 134960 KB Output is correct
2 Correct 151 ms 134968 KB Output is correct
3 Correct 135 ms 134992 KB Output is correct
4 Correct 135 ms 135032 KB Output is correct
5 Correct 199 ms 142072 KB Output is correct
6 Correct 195 ms 143324 KB Output is correct
7 Correct 200 ms 143324 KB Output is correct
8 Correct 180 ms 144180 KB Output is correct
9 Correct 198 ms 143252 KB Output is correct
10 Correct 193 ms 143288 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 135 ms 135032 KB Output is correct
2 Correct 139 ms 135004 KB Output is correct
3 Correct 146 ms 135032 KB Output is correct
4 Correct 150 ms 135160 KB Output is correct
5 Correct 135 ms 135016 KB Output is correct
6 Correct 135 ms 135140 KB Output is correct
7 Correct 135 ms 135032 KB Output is correct
8 Correct 135 ms 135080 KB Output is correct
9 Correct 134 ms 135020 KB Output is correct
10 Correct 134 ms 135032 KB Output is correct
11 Correct 149 ms 135012 KB Output is correct
12 Correct 137 ms 135032 KB Output is correct
13 Correct 135 ms 135088 KB Output is correct
14 Correct 135 ms 135032 KB Output is correct
15 Correct 134 ms 135032 KB Output is correct
16 Correct 135 ms 135012 KB Output is correct
17 Correct 135 ms 135032 KB Output is correct
18 Correct 136 ms 134956 KB Output is correct
19 Correct 136 ms 135032 KB Output is correct
20 Correct 136 ms 135036 KB Output is correct
21 Correct 136 ms 135032 KB Output is correct
22 Correct 134 ms 135032 KB Output is correct
23 Correct 135 ms 134956 KB Output is correct
24 Correct 135 ms 135020 KB Output is correct
25 Correct 134 ms 134976 KB Output is correct
26 Correct 134 ms 135004 KB Output is correct
27 Correct 135 ms 135032 KB Output is correct
28 Correct 140 ms 134968 KB Output is correct
29 Correct 134 ms 135032 KB Output is correct
30 Correct 136 ms 135072 KB Output is correct
31 Correct 135 ms 135032 KB Output is correct
32 Correct 136 ms 135032 KB Output is correct
33 Correct 160 ms 134952 KB Output is correct
34 Correct 170 ms 134940 KB Output is correct
35 Correct 137 ms 134928 KB Output is correct
36 Correct 134 ms 134940 KB Output is correct
37 Correct 137 ms 134980 KB Output is correct
38 Correct 135 ms 135068 KB Output is correct
39 Correct 136 ms 135160 KB Output is correct
40 Correct 136 ms 135084 KB Output is correct
41 Correct 136 ms 135136 KB Output is correct
42 Correct 135 ms 135032 KB Output is correct
43 Correct 135 ms 135152 KB Output is correct
44 Correct 135 ms 135032 KB Output is correct
45 Correct 134 ms 135016 KB Output is correct
46 Correct 133 ms 135160 KB Output is correct
47 Correct 136 ms 135032 KB Output is correct
48 Correct 135 ms 135032 KB Output is correct
49 Correct 136 ms 135152 KB Output is correct
50 Correct 147 ms 135132 KB Output is correct
51 Correct 145 ms 135160 KB Output is correct
52 Correct 135 ms 135024 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 135 ms 135032 KB Output is correct
2 Correct 139 ms 135004 KB Output is correct
3 Correct 146 ms 135032 KB Output is correct
4 Correct 150 ms 135160 KB Output is correct
5 Correct 135 ms 135016 KB Output is correct
6 Correct 135 ms 135140 KB Output is correct
7 Correct 135 ms 135032 KB Output is correct
8 Correct 135 ms 135080 KB Output is correct
9 Correct 134 ms 135020 KB Output is correct
10 Correct 134 ms 135032 KB Output is correct
11 Correct 149 ms 135012 KB Output is correct
12 Correct 137 ms 135032 KB Output is correct
13 Correct 135 ms 135088 KB Output is correct
14 Correct 135 ms 135032 KB Output is correct
15 Correct 134 ms 135032 KB Output is correct
16 Correct 135 ms 135012 KB Output is correct
17 Correct 135 ms 135032 KB Output is correct
18 Correct 136 ms 134956 KB Output is correct
19 Correct 136 ms 135032 KB Output is correct
20 Correct 136 ms 135036 KB Output is correct
21 Correct 136 ms 135032 KB Output is correct
22 Correct 134 ms 135032 KB Output is correct
23 Correct 135 ms 134956 KB Output is correct
24 Correct 135 ms 135020 KB Output is correct
25 Correct 134 ms 134976 KB Output is correct
26 Correct 134 ms 135004 KB Output is correct
27 Correct 135 ms 135032 KB Output is correct
28 Correct 140 ms 134968 KB Output is correct
29 Correct 134 ms 135032 KB Output is correct
30 Correct 136 ms 135072 KB Output is correct
31 Correct 135 ms 135032 KB Output is correct
32 Correct 136 ms 135032 KB Output is correct
33 Correct 160 ms 134952 KB Output is correct
34 Correct 170 ms 134940 KB Output is correct
35 Correct 137 ms 134928 KB Output is correct
36 Correct 134 ms 134940 KB Output is correct
37 Correct 135 ms 135032 KB Output is correct
38 Correct 134 ms 135004 KB Output is correct
39 Correct 136 ms 135032 KB Output is correct
40 Correct 135 ms 135060 KB Output is correct
41 Correct 135 ms 135032 KB Output is correct
42 Correct 135 ms 135064 KB Output is correct
43 Correct 136 ms 135032 KB Output is correct
44 Correct 136 ms 135032 KB Output is correct
45 Correct 135 ms 134996 KB Output is correct
46 Correct 134 ms 135032 KB Output is correct
47 Correct 137 ms 135008 KB Output is correct
48 Correct 138 ms 135004 KB Output is correct
49 Correct 137 ms 135032 KB Output is correct
50 Correct 148 ms 134980 KB Output is correct
51 Correct 148 ms 135032 KB Output is correct
52 Correct 162 ms 135012 KB Output is correct
53 Correct 184 ms 135160 KB Output is correct
54 Correct 149 ms 135672 KB Output is correct
55 Correct 152 ms 135648 KB Output is correct
56 Correct 272 ms 142028 KB Output is correct
57 Correct 170 ms 142072 KB Output is correct
58 Correct 179 ms 142060 KB Output is correct
59 Correct 179 ms 142888 KB Output is correct
60 Correct 185 ms 143404 KB Output is correct
61 Correct 170 ms 143096 KB Output is correct
62 Correct 181 ms 144120 KB Output is correct
63 Correct 184 ms 144180 KB Output is correct
64 Correct 187 ms 144180 KB Output is correct
65 Correct 197 ms 143352 KB Output is correct
66 Correct 176 ms 144192 KB Output is correct
67 Correct 178 ms 144048 KB Output is correct
68 Correct 180 ms 144120 KB Output is correct
69 Correct 135 ms 134956 KB Output is correct
70 Correct 136 ms 135032 KB Output is correct
71 Correct 176 ms 144192 KB Output is correct
72 Correct 177 ms 144120 KB Output is correct
73 Correct 177 ms 144200 KB Output is correct
74 Correct 143 ms 134960 KB Output is correct
75 Correct 151 ms 134968 KB Output is correct
76 Correct 135 ms 134992 KB Output is correct
77 Correct 135 ms 135032 KB Output is correct
78 Correct 199 ms 142072 KB Output is correct
79 Correct 195 ms 143324 KB Output is correct
80 Correct 200 ms 143324 KB Output is correct
81 Correct 180 ms 144180 KB Output is correct
82 Correct 198 ms 143252 KB Output is correct
83 Correct 193 ms 143288 KB Output is correct
84 Correct 137 ms 134980 KB Output is correct
85 Correct 135 ms 135068 KB Output is correct
86 Correct 136 ms 135160 KB Output is correct
87 Correct 136 ms 135084 KB Output is correct
88 Correct 136 ms 135136 KB Output is correct
89 Correct 135 ms 135032 KB Output is correct
90 Correct 135 ms 135152 KB Output is correct
91 Correct 135 ms 135032 KB Output is correct
92 Correct 134 ms 135016 KB Output is correct
93 Correct 133 ms 135160 KB Output is correct
94 Correct 136 ms 135032 KB Output is correct
95 Correct 135 ms 135032 KB Output is correct
96 Correct 136 ms 135152 KB Output is correct
97 Correct 147 ms 135132 KB Output is correct
98 Correct 145 ms 135160 KB Output is correct
99 Correct 135 ms 135024 KB Output is correct
100 Correct 136 ms 135084 KB Output is correct
101 Correct 140 ms 135784 KB Output is correct
102 Correct 140 ms 135864 KB Output is correct
103 Correct 202 ms 143352 KB Output is correct
104 Correct 190 ms 143224 KB Output is correct
105 Correct 198 ms 143224 KB Output is correct
106 Correct 199 ms 143336 KB Output is correct
107 Correct 234 ms 143352 KB Output is correct
108 Correct 184 ms 143312 KB Output is correct
109 Correct 187 ms 144180 KB Output is correct
110 Correct 180 ms 144096 KB Output is correct
111 Correct 195 ms 143292 KB Output is correct
112 Correct 198 ms 143324 KB Output is correct
113 Correct 194 ms 143320 KB Output is correct
114 Correct 196 ms 143272 KB Output is correct
115 Correct 198 ms 143240 KB Output is correct