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Submission #202348

# Submission time Handle Problem Language Result Execution time Memory
202348 2020-02-15T17:16:11 Z a_player Arranging Shoes (IOI19_shoes) C++14
100 / 100
 203 ms 140408 KB 
#include <bits/stdc++.h>

using namespace std;

const int MAXN = 1e5+10;

queue<int> d[2*MAXN];
bitset<2*MAXN> v;
long long ft[2*MAXN];
int N;
void update(int k,long long val){
    int x=k+1;
    while(x<=N){
        ft[x]+=val;
        x+=x&(-x);
    }
}
long long query(int k){
    int x=k+1;
    long long s=0;
    while(x>0){
        s+=ft[x];
        x-=x&(-x);
    }
    return s;
}

long long count_swaps(vector<int> s) {
     N=s.size();
    long long ans=0;
	for(int i=0;i<N;i++)d[s[i]+MAXN].push(i);
    for(int i=0;i<N;i++)update(i,1);
    for(int i=0;i<N;i++){
        if(v[i])continue;
        d[s[i]+MAXN].pop();
        int h=d[MAXN-s[i]].front();
        d[MAXN-s[i]].pop();
        v[i]=1;
        v[h]=1;
        ans+=query(h)-query(i)-1;
        update(i,1);
        update(h,-1);
        if(s[i]>s[h])ans++;
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 100 ms 135032 KB Output is correct
2 Correct 97 ms 135032 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 100 ms 135032 KB Output is correct
2 Correct 97 ms 135032 KB Output is correct
3 Correct 94 ms 134904 KB Output is correct
4 Correct 98 ms 134904 KB Output is correct
5 Correct 96 ms 134908 KB Output is correct
6 Correct 97 ms 134904 KB Output is correct
7 Correct 105 ms 135016 KB Output is correct
8 Correct 97 ms 135028 KB Output is correct
9 Correct 98 ms 134904 KB Output is correct
10 Correct 97 ms 135036 KB Output is correct
11 Correct 125 ms 134984 KB Output is correct
12 Correct 106 ms 135032 KB Output is correct
13 Correct 95 ms 135036 KB Output is correct
14 Correct 93 ms 135032 KB Output is correct
15 Correct 93 ms 135032 KB Output is correct
16 Correct 98 ms 135160 KB Output is correct
17 Correct 95 ms 135032 KB Output is correct
18 Correct 96 ms 134904 KB Output is correct
19 Correct 94 ms 134908 KB Output is correct
20 Correct 94 ms 134904 KB Output is correct
21 Correct 95 ms 135160 KB Output is correct
22 Correct 93 ms 134904 KB Output is correct
23 Correct 95 ms 134904 KB Output is correct
24 Correct 94 ms 134904 KB Output is correct
25 Correct 94 ms 134904 KB Output is correct
26 Correct 93 ms 135032 KB Output is correct
27 Correct 96 ms 135032 KB Output is correct
28 Correct 96 ms 134904 KB Output is correct
29 Correct 98 ms 135032 KB Output is correct
30 Correct 101 ms 135032 KB Output is correct
31 Correct 94 ms 135032 KB Output is correct
32 Correct 99 ms 134908 KB Output is correct
33 Correct 98 ms 135032 KB Output is correct
34 Correct 92 ms 134904 KB Output is correct
35 Correct 110 ms 135032 KB Output is correct
36 Correct 95 ms 135032 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 100 ms 135032 KB Output is correct
2 Correct 97 ms 135032 KB Output is correct
3 Correct 94 ms 134904 KB Output is correct
4 Correct 98 ms 135032 KB Output is correct
5 Correct 95 ms 135032 KB Output is correct
6 Correct 100 ms 134980 KB Output is correct
7 Correct 96 ms 134904 KB Output is correct
8 Correct 92 ms 134916 KB Output is correct
9 Correct 95 ms 134904 KB Output is correct
10 Correct 98 ms 135032 KB Output is correct
11 Correct 94 ms 135032 KB Output is correct
12 Correct 93 ms 135032 KB Output is correct
13 Correct 100 ms 135032 KB Output is correct
14 Correct 100 ms 135032 KB Output is correct
15 Correct 96 ms 135032 KB Output is correct
16 Correct 102 ms 135036 KB Output is correct
17 Correct 98 ms 135032 KB Output is correct
18 Correct 96 ms 135032 KB Output is correct
19 Correct 102 ms 135032 KB Output is correct
20 Correct 105 ms 135416 KB Output is correct
21 Correct 103 ms 135416 KB Output is correct
22 Correct 143 ms 140280 KB Output is correct
23 Correct 142 ms 140288 KB Output is correct
24 Correct 144 ms 140280 KB Output is correct
25 Correct 139 ms 140024 KB Output is correct
26 Correct 153 ms 140408 KB Output is correct
27 Correct 139 ms 140024 KB Output is correct
28 Correct 141 ms 140280 KB Output is correct
29 Correct 147 ms 140280 KB Output is correct
30 Correct 144 ms 140280 KB Output is correct
31 Correct 145 ms 140204 KB Output is correct
32 Correct 139 ms 140280 KB Output is correct
33 Correct 144 ms 140028 KB Output is correct
34 Correct 137 ms 140152 KB Output is correct
35 Correct 95 ms 135032 KB Output is correct
36 Correct 94 ms 135032 KB Output is correct
37 Correct 147 ms 140280 KB Output is correct
38 Correct 144 ms 140156 KB Output is correct
39 Correct 143 ms 140280 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 94 ms 134904 KB Output is correct
2 Correct 96 ms 134904 KB Output is correct
3 Correct 99 ms 135068 KB Output is correct
4 Correct 95 ms 135032 KB Output is correct
5 Correct 186 ms 139384 KB Output is correct
6 Correct 156 ms 139388 KB Output is correct
7 Correct 186 ms 139384 KB Output is correct
8 Correct 146 ms 140280 KB Output is correct
9 Correct 191 ms 139512 KB Output is correct
10 Correct 181 ms 139384 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 100 ms 135032 KB Output is correct
2 Correct 97 ms 135032 KB Output is correct
3 Correct 94 ms 134904 KB Output is correct
4 Correct 98 ms 134904 KB Output is correct
5 Correct 96 ms 134908 KB Output is correct
6 Correct 97 ms 134904 KB Output is correct
7 Correct 105 ms 135016 KB Output is correct
8 Correct 97 ms 135028 KB Output is correct
9 Correct 98 ms 134904 KB Output is correct
10 Correct 97 ms 135036 KB Output is correct
11 Correct 125 ms 134984 KB Output is correct
12 Correct 106 ms 135032 KB Output is correct
13 Correct 95 ms 135036 KB Output is correct
14 Correct 93 ms 135032 KB Output is correct
15 Correct 93 ms 135032 KB Output is correct
16 Correct 98 ms 135160 KB Output is correct
17 Correct 95 ms 135032 KB Output is correct
18 Correct 96 ms 134904 KB Output is correct
19 Correct 94 ms 134908 KB Output is correct
20 Correct 94 ms 134904 KB Output is correct
21 Correct 95 ms 135160 KB Output is correct
22 Correct 93 ms 134904 KB Output is correct
23 Correct 95 ms 134904 KB Output is correct
24 Correct 94 ms 134904 KB Output is correct
25 Correct 94 ms 134904 KB Output is correct
26 Correct 93 ms 135032 KB Output is correct
27 Correct 96 ms 135032 KB Output is correct
28 Correct 96 ms 134904 KB Output is correct
29 Correct 98 ms 135032 KB Output is correct
30 Correct 101 ms 135032 KB Output is correct
31 Correct 94 ms 135032 KB Output is correct
32 Correct 99 ms 134908 KB Output is correct
33 Correct 98 ms 135032 KB Output is correct
34 Correct 92 ms 134904 KB Output is correct
35 Correct 110 ms 135032 KB Output is correct
36 Correct 95 ms 135032 KB Output is correct
37 Correct 94 ms 135032 KB Output is correct
38 Correct 98 ms 135032 KB Output is correct
39 Correct 96 ms 135032 KB Output is correct
40 Correct 93 ms 135032 KB Output is correct
41 Correct 109 ms 135008 KB Output is correct
42 Correct 95 ms 135032 KB Output is correct
43 Correct 96 ms 135032 KB Output is correct
44 Correct 98 ms 135020 KB Output is correct
45 Correct 94 ms 135032 KB Output is correct
46 Correct 93 ms 135032 KB Output is correct
47 Correct 97 ms 135160 KB Output is correct
48 Correct 95 ms 135032 KB Output is correct
49 Correct 94 ms 135032 KB Output is correct
50 Correct 98 ms 135032 KB Output is correct
51 Correct 97 ms 135032 KB Output is correct
52 Correct 96 ms 135008 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 100 ms 135032 KB Output is correct
2 Correct 97 ms 135032 KB Output is correct
3 Correct 94 ms 134904 KB Output is correct
4 Correct 98 ms 134904 KB Output is correct
5 Correct 96 ms 134908 KB Output is correct
6 Correct 97 ms 134904 KB Output is correct
7 Correct 105 ms 135016 KB Output is correct
8 Correct 97 ms 135028 KB Output is correct
9 Correct 98 ms 134904 KB Output is correct
10 Correct 97 ms 135036 KB Output is correct
11 Correct 125 ms 134984 KB Output is correct
12 Correct 106 ms 135032 KB Output is correct
13 Correct 95 ms 135036 KB Output is correct
14 Correct 93 ms 135032 KB Output is correct
15 Correct 93 ms 135032 KB Output is correct
16 Correct 98 ms 135160 KB Output is correct
17 Correct 95 ms 135032 KB Output is correct
18 Correct 96 ms 134904 KB Output is correct
19 Correct 94 ms 134908 KB Output is correct
20 Correct 94 ms 134904 KB Output is correct
21 Correct 95 ms 135160 KB Output is correct
22 Correct 93 ms 134904 KB Output is correct
23 Correct 95 ms 134904 KB Output is correct
24 Correct 94 ms 134904 KB Output is correct
25 Correct 94 ms 134904 KB Output is correct
26 Correct 93 ms 135032 KB Output is correct
27 Correct 96 ms 135032 KB Output is correct
28 Correct 96 ms 134904 KB Output is correct
29 Correct 98 ms 135032 KB Output is correct
30 Correct 101 ms 135032 KB Output is correct
31 Correct 94 ms 135032 KB Output is correct
32 Correct 99 ms 134908 KB Output is correct
33 Correct 98 ms 135032 KB Output is correct
34 Correct 92 ms 134904 KB Output is correct
35 Correct 110 ms 135032 KB Output is correct
36 Correct 95 ms 135032 KB Output is correct
37 Correct 94 ms 134904 KB Output is correct
38 Correct 98 ms 135032 KB Output is correct
39 Correct 95 ms 135032 KB Output is correct
40 Correct 100 ms 134980 KB Output is correct
41 Correct 96 ms 134904 KB Output is correct
42 Correct 92 ms 134916 KB Output is correct
43 Correct 95 ms 134904 KB Output is correct
44 Correct 98 ms 135032 KB Output is correct
45 Correct 94 ms 135032 KB Output is correct
46 Correct 93 ms 135032 KB Output is correct
47 Correct 100 ms 135032 KB Output is correct
48 Correct 100 ms 135032 KB Output is correct
49 Correct 96 ms 135032 KB Output is correct
50 Correct 102 ms 135036 KB Output is correct
51 Correct 98 ms 135032 KB Output is correct
52 Correct 96 ms 135032 KB Output is correct
53 Correct 102 ms 135032 KB Output is correct
54 Correct 105 ms 135416 KB Output is correct
55 Correct 103 ms 135416 KB Output is correct
56 Correct 143 ms 140280 KB Output is correct
57 Correct 142 ms 140288 KB Output is correct
58 Correct 144 ms 140280 KB Output is correct
59 Correct 139 ms 140024 KB Output is correct
60 Correct 153 ms 140408 KB Output is correct
61 Correct 139 ms 140024 KB Output is correct
62 Correct 141 ms 140280 KB Output is correct
63 Correct 147 ms 140280 KB Output is correct
64 Correct 144 ms 140280 KB Output is correct
65 Correct 145 ms 140204 KB Output is correct
66 Correct 139 ms 140280 KB Output is correct
67 Correct 144 ms 140028 KB Output is correct
68 Correct 137 ms 140152 KB Output is correct
69 Correct 95 ms 135032 KB Output is correct
70 Correct 94 ms 135032 KB Output is correct
71 Correct 147 ms 140280 KB Output is correct
72 Correct 144 ms 140156 KB Output is correct
73 Correct 143 ms 140280 KB Output is correct
74 Correct 94 ms 134904 KB Output is correct
75 Correct 96 ms 134904 KB Output is correct
76 Correct 99 ms 135068 KB Output is correct
77 Correct 95 ms 135032 KB Output is correct
78 Correct 186 ms 139384 KB Output is correct
79 Correct 156 ms 139388 KB Output is correct
80 Correct 186 ms 139384 KB Output is correct
81 Correct 146 ms 140280 KB Output is correct
82 Correct 191 ms 139512 KB Output is correct
83 Correct 181 ms 139384 KB Output is correct
84 Correct 94 ms 135032 KB Output is correct
85 Correct 98 ms 135032 KB Output is correct
86 Correct 96 ms 135032 KB Output is correct
87 Correct 93 ms 135032 KB Output is correct
88 Correct 109 ms 135008 KB Output is correct
89 Correct 95 ms 135032 KB Output is correct
90 Correct 96 ms 135032 KB Output is correct
91 Correct 98 ms 135020 KB Output is correct
92 Correct 94 ms 135032 KB Output is correct
93 Correct 93 ms 135032 KB Output is correct
94 Correct 97 ms 135160 KB Output is correct
95 Correct 95 ms 135032 KB Output is correct
96 Correct 94 ms 135032 KB Output is correct
97 Correct 98 ms 135032 KB Output is correct
98 Correct 97 ms 135032 KB Output is correct
99 Correct 96 ms 135008 KB Output is correct
100 Correct 96 ms 135032 KB Output is correct
101 Correct 101 ms 135412 KB Output is correct
102 Correct 101 ms 135420 KB Output is correct
103 Correct 203 ms 139404 KB Output is correct
104 Correct 193 ms 139384 KB Output is correct
105 Correct 191 ms 139384 KB Output is correct
106 Correct 191 ms 139464 KB Output is correct
107 Correct 167 ms 139384 KB Output is correct
108 Correct 174 ms 139384 KB Output is correct
109 Correct 148 ms 140280 KB Output is correct
110 Correct 141 ms 140188 KB Output is correct
111 Correct 183 ms 139384 KB Output is correct
112 Correct 193 ms 139384 KB Output is correct
113 Correct 169 ms 139384 KB Output is correct
114 Correct 182 ms 139384 KB Output is correct
115 Correct 188 ms 139384 KB Output is correct