oj.uz

Submission #151392

# Submission time Handle Problem Language Result Execution time Memory
151392 2019-09-02T15:46:04 Z alexandra_udristoiu Arranging Shoes (IOI19_shoes) C++14
100 / 100
 217 ms 140336 KB 
#include "shoes.h"
#include<iostream>
#include<vector>
#include<queue>
#define DIM 100005
using namespace std;
static int n;
static int v[2 * DIM], aib[2 * DIM], ff[2 * DIM];
static queue<int> st[DIM], dr[DIM];
static void update(int x, int val){
    for(; x <= n; x += (x & -x) ){
        aib[x] += val;
    }
}
static int query(int x){
    int sum = 0;
    for(; x >= 1; x -= (x & -x) ){
        sum += aib[x];
    }
    return sum;
}
long long count_swaps(vector<int> s) {
    int i;
    long long sol = 0;
    n = s.size();
    for(i = 1; i <= n; i++){
        v[i] = s[i - 1];
        update(i, 1);
    }
    for(i = n; i >= 1; i--){
        if(v[i] < 0){
            if( !dr[ -v[i] ].empty() ){
                ff[i] = dr[ -v[i] ].front();
                dr[ -v[i] ].pop();
            }
            else{
                st[ -v[i] ].push(i);
            }
        }
        else{
            if( !st[ v[i] ].empty() ){
                ff[i] = st[ v[i] ].front();
                st[ v[i] ].pop();
            }
            else{
                dr[ v[i] ].push(i);
            }
        }
    }
    for(i = 1; i <= n; i++){
        if(ff[i] != 0){
            sol += query(ff[i]) - query(i) - 1;
            if(v[i] > 0){
                sol++;
            }
            update(ff[i], -1);
        }
    }
    return sol;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 135 ms 135032 KB Output is correct
2 Correct 135 ms 134904 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 135 ms 134904 KB Output is correct
3 Correct 137 ms 134912 KB Output is correct
4 Correct 143 ms 135012 KB Output is correct
5 Correct 151 ms 135032 KB Output is correct
6 Correct 136 ms 135032 KB Output is correct
7 Correct 136 ms 134976 KB Output is correct
8 Correct 136 ms 134904 KB Output is correct
9 Correct 136 ms 135092 KB Output is correct
10 Correct 138 ms 134900 KB Output is correct
11 Correct 138 ms 134908 KB Output is correct
12 Correct 137 ms 134908 KB Output is correct
13 Correct 135 ms 134904 KB Output is correct
14 Correct 138 ms 134924 KB Output is correct
15 Correct 137 ms 135004 KB Output is correct
16 Correct 138 ms 135004 KB Output is correct
17 Correct 136 ms 135032 KB Output is correct
18 Correct 136 ms 134904 KB Output is correct
19 Correct 135 ms 134904 KB Output is correct
20 Correct 137 ms 134916 KB Output is correct
21 Correct 138 ms 134904 KB Output is correct
22 Correct 137 ms 135064 KB Output is correct
23 Correct 137 ms 134940 KB Output is correct
24 Correct 127 ms 135032 KB Output is correct
25 Correct 136 ms 134952 KB Output is correct
26 Correct 137 ms 134984 KB Output is correct
27 Correct 136 ms 134912 KB Output is correct
28 Correct 137 ms 135032 KB Output is correct
29 Correct 137 ms 135048 KB Output is correct
30 Correct 137 ms 134904 KB Output is correct
31 Correct 135 ms 135004 KB Output is correct
32 Correct 135 ms 134904 KB Output is correct
33 Correct 135 ms 135004 KB Output is correct
34 Correct 167 ms 134904 KB Output is correct
35 Correct 137 ms 135032 KB Output is correct
36 Correct 135 ms 135112 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 135 ms 134904 KB Output is correct
3 Correct 137 ms 134912 KB Output is correct
4 Correct 133 ms 134904 KB Output is correct
5 Correct 138 ms 134912 KB Output is correct
6 Correct 134 ms 134992 KB Output is correct
7 Correct 134 ms 134904 KB Output is correct
8 Correct 138 ms 134904 KB Output is correct
9 Correct 136 ms 135000 KB Output is correct
10 Correct 135 ms 134956 KB Output is correct
11 Correct 136 ms 135060 KB Output is correct
12 Correct 134 ms 134904 KB Output is correct
13 Correct 134 ms 134904 KB Output is correct
14 Correct 136 ms 135032 KB Output is correct
15 Correct 135 ms 135052 KB Output is correct
16 Correct 135 ms 135032 KB Output is correct
17 Correct 147 ms 135004 KB Output is correct
18 Correct 141 ms 135032 KB Output is correct
19 Correct 139 ms 135000 KB Output is correct
20 Correct 145 ms 135548 KB Output is correct
21 Correct 150 ms 135544 KB Output is correct
22 Correct 186 ms 140220 KB Output is correct
23 Correct 175 ms 140188 KB Output is correct
24 Correct 186 ms 140336 KB Output is correct
25 Correct 181 ms 140036 KB Output is correct
26 Correct 184 ms 140264 KB Output is correct
27 Correct 179 ms 139896 KB Output is correct
28 Correct 181 ms 140272 KB Output is correct
29 Correct 181 ms 140152 KB Output is correct
30 Correct 176 ms 140104 KB Output is correct
31 Correct 187 ms 140320 KB Output is correct
32 Correct 175 ms 140156 KB Output is correct
33 Correct 185 ms 140024 KB Output is correct
34 Correct 182 ms 140152 KB Output is correct
35 Correct 136 ms 134940 KB Output is correct
36 Correct 133 ms 135032 KB Output is correct
37 Correct 174 ms 140152 KB Output is correct
38 Correct 175 ms 140212 KB Output is correct
39 Correct 173 ms 140280 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 136 ms 135000 KB Output is correct
2 Correct 138 ms 134988 KB Output is correct
3 Correct 136 ms 135012 KB Output is correct
4 Correct 137 ms 134904 KB Output is correct
5 Correct 195 ms 139896 KB Output is correct
6 Correct 184 ms 139768 KB Output is correct
7 Correct 194 ms 139748 KB Output is correct
8 Correct 187 ms 140132 KB Output is correct
9 Correct 195 ms 139736 KB Output is correct
10 Correct 190 ms 139768 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 135 ms 134904 KB Output is correct
3 Correct 137 ms 134912 KB Output is correct
4 Correct 143 ms 135012 KB Output is correct
5 Correct 151 ms 135032 KB Output is correct
6 Correct 136 ms 135032 KB Output is correct
7 Correct 136 ms 134976 KB Output is correct
8 Correct 136 ms 134904 KB Output is correct
9 Correct 136 ms 135092 KB Output is correct
10 Correct 138 ms 134900 KB Output is correct
11 Correct 138 ms 134908 KB Output is correct
12 Correct 137 ms 134908 KB Output is correct
13 Correct 135 ms 134904 KB Output is correct
14 Correct 138 ms 134924 KB Output is correct
15 Correct 137 ms 135004 KB Output is correct
16 Correct 138 ms 135004 KB Output is correct
17 Correct 136 ms 135032 KB Output is correct
18 Correct 136 ms 134904 KB Output is correct
19 Correct 135 ms 134904 KB Output is correct
20 Correct 137 ms 134916 KB Output is correct
21 Correct 138 ms 134904 KB Output is correct
22 Correct 137 ms 135064 KB Output is correct
23 Correct 137 ms 134940 KB Output is correct
24 Correct 127 ms 135032 KB Output is correct
25 Correct 136 ms 134952 KB Output is correct
26 Correct 137 ms 134984 KB Output is correct
27 Correct 136 ms 134912 KB Output is correct
28 Correct 137 ms 135032 KB Output is correct
29 Correct 137 ms 135048 KB Output is correct
30 Correct 137 ms 134904 KB Output is correct
31 Correct 135 ms 135004 KB Output is correct
32 Correct 135 ms 134904 KB Output is correct
33 Correct 135 ms 135004 KB Output is correct
34 Correct 167 ms 134904 KB Output is correct
35 Correct 137 ms 135032 KB Output is correct
36 Correct 135 ms 135112 KB Output is correct
37 Correct 136 ms 134976 KB Output is correct
38 Correct 136 ms 134976 KB Output is correct
39 Correct 136 ms 135000 KB Output is correct
40 Correct 134 ms 135004 KB Output is correct
41 Correct 135 ms 134948 KB Output is correct
42 Correct 137 ms 135160 KB Output is correct
43 Correct 136 ms 135032 KB Output is correct
44 Correct 136 ms 135040 KB Output is correct
45 Correct 137 ms 134992 KB Output is correct
46 Correct 135 ms 135004 KB Output is correct
47 Correct 136 ms 134948 KB Output is correct
48 Correct 137 ms 135032 KB Output is correct
49 Correct 136 ms 135032 KB Output is correct
50 Correct 175 ms 135032 KB Output is correct
51 Correct 175 ms 135032 KB Output is correct
52 Correct 153 ms 135048 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 135 ms 134904 KB Output is correct
3 Correct 137 ms 134912 KB Output is correct
4 Correct 143 ms 135012 KB Output is correct
5 Correct 151 ms 135032 KB Output is correct
6 Correct 136 ms 135032 KB Output is correct
7 Correct 136 ms 134976 KB Output is correct
8 Correct 136 ms 134904 KB Output is correct
9 Correct 136 ms 135092 KB Output is correct
10 Correct 138 ms 134900 KB Output is correct
11 Correct 138 ms 134908 KB Output is correct
12 Correct 137 ms 134908 KB Output is correct
13 Correct 135 ms 134904 KB Output is correct
14 Correct 138 ms 134924 KB Output is correct
15 Correct 137 ms 135004 KB Output is correct
16 Correct 138 ms 135004 KB Output is correct
17 Correct 136 ms 135032 KB Output is correct
18 Correct 136 ms 134904 KB Output is correct
19 Correct 135 ms 134904 KB Output is correct
20 Correct 137 ms 134916 KB Output is correct
21 Correct 138 ms 134904 KB Output is correct
22 Correct 137 ms 135064 KB Output is correct
23 Correct 137 ms 134940 KB Output is correct
24 Correct 127 ms 135032 KB Output is correct
25 Correct 136 ms 134952 KB Output is correct
26 Correct 137 ms 134984 KB Output is correct
27 Correct 136 ms 134912 KB Output is correct
28 Correct 137 ms 135032 KB Output is correct
29 Correct 137 ms 135048 KB Output is correct
30 Correct 137 ms 134904 KB Output is correct
31 Correct 135 ms 135004 KB Output is correct
32 Correct 135 ms 134904 KB Output is correct
33 Correct 135 ms 135004 KB Output is correct
34 Correct 167 ms 134904 KB Output is correct
35 Correct 137 ms 135032 KB Output is correct
36 Correct 135 ms 135112 KB Output is correct
37 Correct 137 ms 134912 KB Output is correct
38 Correct 133 ms 134904 KB Output is correct
39 Correct 138 ms 134912 KB Output is correct
40 Correct 134 ms 134992 KB Output is correct
41 Correct 134 ms 134904 KB Output is correct
42 Correct 138 ms 134904 KB Output is correct
43 Correct 136 ms 135000 KB Output is correct
44 Correct 135 ms 134956 KB Output is correct
45 Correct 136 ms 135060 KB Output is correct
46 Correct 134 ms 134904 KB Output is correct
47 Correct 134 ms 134904 KB Output is correct
48 Correct 136 ms 135032 KB Output is correct
49 Correct 135 ms 135052 KB Output is correct
50 Correct 135 ms 135032 KB Output is correct
51 Correct 147 ms 135004 KB Output is correct
52 Correct 141 ms 135032 KB Output is correct
53 Correct 139 ms 135000 KB Output is correct
54 Correct 145 ms 135548 KB Output is correct
55 Correct 150 ms 135544 KB Output is correct
56 Correct 186 ms 140220 KB Output is correct
57 Correct 175 ms 140188 KB Output is correct
58 Correct 186 ms 140336 KB Output is correct
59 Correct 181 ms 140036 KB Output is correct
60 Correct 184 ms 140264 KB Output is correct
61 Correct 179 ms 139896 KB Output is correct
62 Correct 181 ms 140272 KB Output is correct
63 Correct 181 ms 140152 KB Output is correct
64 Correct 176 ms 140104 KB Output is correct
65 Correct 187 ms 140320 KB Output is correct
66 Correct 175 ms 140156 KB Output is correct
67 Correct 185 ms 140024 KB Output is correct
68 Correct 182 ms 140152 KB Output is correct
69 Correct 136 ms 134940 KB Output is correct
70 Correct 133 ms 135032 KB Output is correct
71 Correct 174 ms 140152 KB Output is correct
72 Correct 175 ms 140212 KB Output is correct
73 Correct 173 ms 140280 KB Output is correct
74 Correct 136 ms 135000 KB Output is correct
75 Correct 138 ms 134988 KB Output is correct
76 Correct 136 ms 135012 KB Output is correct
77 Correct 137 ms 134904 KB Output is correct
78 Correct 195 ms 139896 KB Output is correct
79 Correct 184 ms 139768 KB Output is correct
80 Correct 194 ms 139748 KB Output is correct
81 Correct 187 ms 140132 KB Output is correct
82 Correct 195 ms 139736 KB Output is correct
83 Correct 190 ms 139768 KB Output is correct
84 Correct 136 ms 134976 KB Output is correct
85 Correct 136 ms 134976 KB Output is correct
86 Correct 136 ms 135000 KB Output is correct
87 Correct 134 ms 135004 KB Output is correct
88 Correct 135 ms 134948 KB Output is correct
89 Correct 137 ms 135160 KB Output is correct
90 Correct 136 ms 135032 KB Output is correct
91 Correct 136 ms 135040 KB Output is correct
92 Correct 137 ms 134992 KB Output is correct
93 Correct 135 ms 135004 KB Output is correct
94 Correct 136 ms 134948 KB Output is correct
95 Correct 137 ms 135032 KB Output is correct
96 Correct 136 ms 135032 KB Output is correct
97 Correct 175 ms 135032 KB Output is correct
98 Correct 175 ms 135032 KB Output is correct
99 Correct 153 ms 135048 KB Output is correct
100 Correct 139 ms 135100 KB Output is correct
101 Correct 174 ms 135416 KB Output is correct
102 Correct 139 ms 135416 KB Output is correct
103 Correct 203 ms 140152 KB Output is correct
104 Correct 188 ms 140132 KB Output is correct
105 Correct 186 ms 140152 KB Output is correct
106 Correct 196 ms 139692 KB Output is correct
107 Correct 189 ms 140124 KB Output is correct
108 Correct 188 ms 140144 KB Output is correct
109 Correct 180 ms 140152 KB Output is correct
110 Correct 217 ms 140152 KB Output is correct
111 Correct 195 ms 139832 KB Output is correct
112 Correct 203 ms 140092 KB Output is correct
113 Correct 187 ms 139768 KB Output is correct
114 Correct 195 ms 139768 KB Output is correct
115 Correct 192 ms 139768 KB Output is correct