oj.uz

Submission #200092

# Submission time Handle Problem Language Result Execution time Memory
200092 2020-02-05T10:19:44 Z anonymous Arranging Shoes (IOI19_shoes) C++14
100 / 100
 140 ms 17528 KB 
#include "shoes.h"
#include<queue>
#define LL long long
#define MAXN 200005
using namespace std;
LL N, BIT[MAXN], ans;
priority_queue<int> PQ[MAXN>>1][2]; //only BIT is 1 indexed
bool del[MAXN];
int abs(int i) {return(i > 0 ? i : -i);}

void upd(int p, int v) {
    for (; p<=N+5; p+=p&(-p)) {BIT[p]+=v;}
}

LL ask(int p) {
    LL res=0;
    for (; p>0; p-=p&(-p)) {res+=BIT[p];}
    return(res);
}

long long count_swaps(std::vector<int> s) {
	N=s.size();
	for (int i=1; i<=N; i++) {
        upd(i,1);
        PQ[abs(s[i-1])][s[i-1]<0].push(1-i);
	}
	for (int i=0; i<N; i++) {
        if (del[i]) {continue;}
        LL v;
        while (true) {
            v=-PQ[abs(s[i])][s[i]>0].top();
            PQ[abs(s[i])][s[i]>0].pop();
            if (del[v]) {continue;}
            else {break;}
        }
        ans+=ask(v)-ask(i+1);
        if (s[i] > 0) {ans++;}
        del[i]=del[v]=true;
        upd(v+1, -1);
        upd(i+1, -1);
	}
	return(ans);
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 6520 KB Output is correct
2 Correct 8 ms 6520 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 6520 KB Output is correct
2 Correct 8 ms 6520 KB Output is correct
3 Correct 8 ms 6648 KB Output is correct
4 Correct 8 ms 6648 KB Output is correct
5 Correct 8 ms 6648 KB Output is correct
6 Correct 9 ms 6520 KB Output is correct
7 Correct 9 ms 6520 KB Output is correct
8 Correct 8 ms 6520 KB Output is correct
9 Correct 8 ms 6520 KB Output is correct
10 Correct 10 ms 6520 KB Output is correct
11 Correct 8 ms 6648 KB Output is correct
12 Correct 8 ms 6648 KB Output is correct
13 Correct 9 ms 6680 KB Output is correct
14 Correct 9 ms 6520 KB Output is correct
15 Correct 8 ms 6648 KB Output is correct
16 Correct 9 ms 6648 KB Output is correct
17 Correct 9 ms 6520 KB Output is correct
18 Correct 8 ms 6520 KB Output is correct
19 Correct 8 ms 6520 KB Output is correct
20 Correct 8 ms 6520 KB Output is correct
21 Correct 9 ms 6520 KB Output is correct
22 Correct 8 ms 6520 KB Output is correct
23 Correct 8 ms 6520 KB Output is correct
24 Correct 8 ms 6520 KB Output is correct
25 Correct 8 ms 6520 KB Output is correct
26 Correct 8 ms 6520 KB Output is correct
27 Correct 8 ms 6520 KB Output is correct
28 Correct 8 ms 6520 KB Output is correct
29 Correct 9 ms 6520 KB Output is correct
30 Correct 9 ms 6520 KB Output is correct
31 Correct 8 ms 6520 KB Output is correct
32 Correct 8 ms 6520 KB Output is correct
33 Correct 8 ms 6520 KB Output is correct
34 Correct 8 ms 6524 KB Output is correct
35 Correct 8 ms 6520 KB Output is correct
36 Correct 8 ms 6648 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 6520 KB Output is correct
2 Correct 8 ms 6520 KB Output is correct
3 Correct 8 ms 6520 KB Output is correct
4 Correct 8 ms 6648 KB Output is correct
5 Correct 8 ms 6520 KB Output is correct
6 Correct 9 ms 6520 KB Output is correct
7 Correct 8 ms 6520 KB Output is correct
8 Correct 9 ms 6520 KB Output is correct
9 Correct 8 ms 6648 KB Output is correct
10 Correct 8 ms 6520 KB Output is correct
11 Correct 8 ms 6780 KB Output is correct
12 Correct 8 ms 6520 KB Output is correct
13 Correct 9 ms 6520 KB Output is correct
14 Correct 9 ms 6524 KB Output is correct
15 Correct 8 ms 6520 KB Output is correct
16 Correct 8 ms 6520 KB Output is correct
17 Correct 8 ms 6520 KB Output is correct
18 Correct 8 ms 6648 KB Output is correct
19 Correct 9 ms 6652 KB Output is correct
20 Correct 14 ms 7160 KB Output is correct
21 Correct 13 ms 7160 KB Output is correct
22 Correct 77 ms 12056 KB Output is correct
23 Correct 69 ms 12140 KB Output is correct
24 Correct 69 ms 12140 KB Output is correct
25 Correct 59 ms 11888 KB Output is correct
26 Correct 63 ms 12176 KB Output is correct
27 Correct 62 ms 12012 KB Output is correct
28 Correct 71 ms 12248 KB Output is correct
29 Correct 63 ms 12140 KB Output is correct
30 Correct 57 ms 12144 KB Output is correct
31 Correct 69 ms 12164 KB Output is correct
32 Correct 59 ms 12136 KB Output is correct
33 Correct 59 ms 11888 KB Output is correct
34 Correct 60 ms 12016 KB Output is correct
35 Correct 8 ms 6648 KB Output is correct
36 Correct 8 ms 6520 KB Output is correct
37 Correct 58 ms 12016 KB Output is correct
38 Correct 61 ms 12056 KB Output is correct
39 Correct 59 ms 12144 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 6652 KB Output is correct
2 Correct 10 ms 6520 KB Output is correct
3 Correct 9 ms 6648 KB Output is correct
4 Correct 8 ms 6520 KB Output is correct
5 Correct 118 ms 17380 KB Output is correct
6 Correct 73 ms 12648 KB Output is correct
7 Correct 140 ms 17400 KB Output is correct
8 Correct 61 ms 12164 KB Output is correct
9 Correct 107 ms 17400 KB Output is correct
10 Correct 97 ms 14328 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 6520 KB Output is correct
2 Correct 8 ms 6520 KB Output is correct
3 Correct 8 ms 6648 KB Output is correct
4 Correct 8 ms 6648 KB Output is correct
5 Correct 8 ms 6648 KB Output is correct
6 Correct 9 ms 6520 KB Output is correct
7 Correct 9 ms 6520 KB Output is correct
8 Correct 8 ms 6520 KB Output is correct
9 Correct 8 ms 6520 KB Output is correct
10 Correct 10 ms 6520 KB Output is correct
11 Correct 8 ms 6648 KB Output is correct
12 Correct 8 ms 6648 KB Output is correct
13 Correct 9 ms 6680 KB Output is correct
14 Correct 9 ms 6520 KB Output is correct
15 Correct 8 ms 6648 KB Output is correct
16 Correct 9 ms 6648 KB Output is correct
17 Correct 9 ms 6520 KB Output is correct
18 Correct 8 ms 6520 KB Output is correct
19 Correct 8 ms 6520 KB Output is correct
20 Correct 8 ms 6520 KB Output is correct
21 Correct 9 ms 6520 KB Output is correct
22 Correct 8 ms 6520 KB Output is correct
23 Correct 8 ms 6520 KB Output is correct
24 Correct 8 ms 6520 KB Output is correct
25 Correct 8 ms 6520 KB Output is correct
26 Correct 8 ms 6520 KB Output is correct
27 Correct 8 ms 6520 KB Output is correct
28 Correct 8 ms 6520 KB Output is correct
29 Correct 9 ms 6520 KB Output is correct
30 Correct 9 ms 6520 KB Output is correct
31 Correct 8 ms 6520 KB Output is correct
32 Correct 8 ms 6520 KB Output is correct
33 Correct 8 ms 6520 KB Output is correct
34 Correct 8 ms 6524 KB Output is correct
35 Correct 8 ms 6520 KB Output is correct
36 Correct 8 ms 6648 KB Output is correct
37 Correct 9 ms 6648 KB Output is correct
38 Correct 8 ms 6520 KB Output is correct
39 Correct 9 ms 6648 KB Output is correct
40 Correct 8 ms 6520 KB Output is correct
41 Correct 9 ms 6648 KB Output is correct
42 Correct 9 ms 6648 KB Output is correct
43 Correct 10 ms 6648 KB Output is correct
44 Correct 9 ms 6648 KB Output is correct
45 Correct 9 ms 6648 KB Output is correct
46 Correct 11 ms 6648 KB Output is correct
47 Correct 8 ms 6648 KB Output is correct
48 Correct 9 ms 6652 KB Output is correct
49 Correct 9 ms 6652 KB Output is correct
50 Correct 9 ms 6648 KB Output is correct
51 Correct 9 ms 6648 KB Output is correct
52 Correct 9 ms 6648 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 6520 KB Output is correct
2 Correct 8 ms 6520 KB Output is correct
3 Correct 8 ms 6648 KB Output is correct
4 Correct 8 ms 6648 KB Output is correct
5 Correct 8 ms 6648 KB Output is correct
6 Correct 9 ms 6520 KB Output is correct
7 Correct 9 ms 6520 KB Output is correct
8 Correct 8 ms 6520 KB Output is correct
9 Correct 8 ms 6520 KB Output is correct
10 Correct 10 ms 6520 KB Output is correct
11 Correct 8 ms 6648 KB Output is correct
12 Correct 8 ms 6648 KB Output is correct
13 Correct 9 ms 6680 KB Output is correct
14 Correct 9 ms 6520 KB Output is correct
15 Correct 8 ms 6648 KB Output is correct
16 Correct 9 ms 6648 KB Output is correct
17 Correct 9 ms 6520 KB Output is correct
18 Correct 8 ms 6520 KB Output is correct
19 Correct 8 ms 6520 KB Output is correct
20 Correct 8 ms 6520 KB Output is correct
21 Correct 9 ms 6520 KB Output is correct
22 Correct 8 ms 6520 KB Output is correct
23 Correct 8 ms 6520 KB Output is correct
24 Correct 8 ms 6520 KB Output is correct
25 Correct 8 ms 6520 KB Output is correct
26 Correct 8 ms 6520 KB Output is correct
27 Correct 8 ms 6520 KB Output is correct
28 Correct 8 ms 6520 KB Output is correct
29 Correct 9 ms 6520 KB Output is correct
30 Correct 9 ms 6520 KB Output is correct
31 Correct 8 ms 6520 KB Output is correct
32 Correct 8 ms 6520 KB Output is correct
33 Correct 8 ms 6520 KB Output is correct
34 Correct 8 ms 6524 KB Output is correct
35 Correct 8 ms 6520 KB Output is correct
36 Correct 8 ms 6648 KB Output is correct
37 Correct 8 ms 6520 KB Output is correct
38 Correct 8 ms 6648 KB Output is correct
39 Correct 8 ms 6520 KB Output is correct
40 Correct 9 ms 6520 KB Output is correct
41 Correct 8 ms 6520 KB Output is correct
42 Correct 9 ms 6520 KB Output is correct
43 Correct 8 ms 6648 KB Output is correct
44 Correct 8 ms 6520 KB Output is correct
45 Correct 8 ms 6780 KB Output is correct
46 Correct 8 ms 6520 KB Output is correct
47 Correct 9 ms 6520 KB Output is correct
48 Correct 9 ms 6524 KB Output is correct
49 Correct 8 ms 6520 KB Output is correct
50 Correct 8 ms 6520 KB Output is correct
51 Correct 8 ms 6520 KB Output is correct
52 Correct 8 ms 6648 KB Output is correct
53 Correct 9 ms 6652 KB Output is correct
54 Correct 14 ms 7160 KB Output is correct
55 Correct 13 ms 7160 KB Output is correct
56 Correct 77 ms 12056 KB Output is correct
57 Correct 69 ms 12140 KB Output is correct
58 Correct 69 ms 12140 KB Output is correct
59 Correct 59 ms 11888 KB Output is correct
60 Correct 63 ms 12176 KB Output is correct
61 Correct 62 ms 12012 KB Output is correct
62 Correct 71 ms 12248 KB Output is correct
63 Correct 63 ms 12140 KB Output is correct
64 Correct 57 ms 12144 KB Output is correct
65 Correct 69 ms 12164 KB Output is correct
66 Correct 59 ms 12136 KB Output is correct
67 Correct 59 ms 11888 KB Output is correct
68 Correct 60 ms 12016 KB Output is correct
69 Correct 8 ms 6648 KB Output is correct
70 Correct 8 ms 6520 KB Output is correct
71 Correct 58 ms 12016 KB Output is correct
72 Correct 61 ms 12056 KB Output is correct
73 Correct 59 ms 12144 KB Output is correct
74 Correct 9 ms 6652 KB Output is correct
75 Correct 10 ms 6520 KB Output is correct
76 Correct 9 ms 6648 KB Output is correct
77 Correct 8 ms 6520 KB Output is correct
78 Correct 118 ms 17380 KB Output is correct
79 Correct 73 ms 12648 KB Output is correct
80 Correct 140 ms 17400 KB Output is correct
81 Correct 61 ms 12164 KB Output is correct
82 Correct 107 ms 17400 KB Output is correct
83 Correct 97 ms 14328 KB Output is correct
84 Correct 9 ms 6648 KB Output is correct
85 Correct 8 ms 6520 KB Output is correct
86 Correct 9 ms 6648 KB Output is correct
87 Correct 8 ms 6520 KB Output is correct
88 Correct 9 ms 6648 KB Output is correct
89 Correct 9 ms 6648 KB Output is correct
90 Correct 10 ms 6648 KB Output is correct
91 Correct 9 ms 6648 KB Output is correct
92 Correct 9 ms 6648 KB Output is correct
93 Correct 11 ms 6648 KB Output is correct
94 Correct 8 ms 6648 KB Output is correct
95 Correct 9 ms 6652 KB Output is correct
96 Correct 9 ms 6652 KB Output is correct
97 Correct 9 ms 6648 KB Output is correct
98 Correct 9 ms 6648 KB Output is correct
99 Correct 9 ms 6648 KB Output is correct
100 Correct 10 ms 6624 KB Output is correct
101 Correct 16 ms 7520 KB Output is correct
102 Correct 15 ms 7160 KB Output is correct
103 Correct 131 ms 17528 KB Output is correct
104 Correct 95 ms 17464 KB Output is correct
105 Correct 113 ms 14712 KB Output is correct
106 Correct 106 ms 17400 KB Output is correct
107 Correct 78 ms 12784 KB Output is correct
108 Correct 89 ms 13176 KB Output is correct
109 Correct 59 ms 12392 KB Output is correct
110 Correct 57 ms 12016 KB Output is correct
111 Correct 116 ms 16760 KB Output is correct
112 Correct 127 ms 16072 KB Output is correct
113 Correct 78 ms 12664 KB Output is correct
114 Correct 119 ms 17504 KB Output is correct
115 Correct 110 ms 17400 KB Output is correct