oj.uz

Submission #143779

# Submission time Handle Problem Language Result Execution time Memory
143779 2019-08-15T04:48:35 Z dongwon0427 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 105 ms 19308 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;

int n;
vector<int> L[200005], R[200005];
vector<pii> P;

int fenwick[200005];
void updt(int idx,int v) {
    idx++;
    while(idx <= n) {
        fenwick[idx] += v;
        idx += idx & (-idx);
    }
}
int sum(int idx) {
    idx++;
    int ret = 0;
    while(idx) {
        ret += fenwick[idx];
        idx -= idx & (-idx);
    }
    return ret;
}

ll count_swaps(std::vector<int> s) {
	n = s.size();
	for(int i=0;i<n;i++) {
        if(s[i] < 0) {
            L[-s[i]].push_back(i);
        } else {
            R[s[i]].push_back(i);
        }
	}
	ll ret = 0;
	for(int i=0;i<=n;i++) {
        for(int j=0;j<L[i].size();j++) {
            if(R[i][j] < L[i][j]) ret++;
            P.push_back(pii(min(L[i][j],R[i][j]), max(L[i][j],R[i][j])));
        }
	}
	sort(P.begin(),P.end());

	for(int i=0;i<n;i++) {
        updt(i,1);
	}
	for(pii p : P) {
        //cout<<p.first<<' '<<p.second<<'\n';
        ret += (ll)sum(p.second-1) - sum(p.first);
        updt(p.second, -1);
	}
	return ret;
}

Compilation message

shoes.cpp: In function 'll count_swaps(std::vector<int>)':
shoes.cpp:40:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int j=0;j<L[i].size();j++) {
                     ~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 10 ms 9724 KB Output is correct
4 Correct 10 ms 9720 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 10 ms 9720 KB Output is correct
7 Correct 10 ms 9720 KB Output is correct
8 Correct 10 ms 9720 KB Output is correct
9 Correct 10 ms 9692 KB Output is correct
10 Correct 10 ms 9720 KB Output is correct
11 Correct 10 ms 9724 KB Output is correct
12 Correct 10 ms 9720 KB Output is correct
13 Correct 10 ms 9720 KB Output is correct
14 Correct 10 ms 9720 KB Output is correct
15 Correct 11 ms 9720 KB Output is correct
16 Correct 10 ms 9720 KB Output is correct
17 Correct 10 ms 9776 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 12 ms 9848 KB Output is correct
20 Correct 13 ms 9724 KB Output is correct
21 Correct 13 ms 9720 KB Output is correct
22 Correct 12 ms 9724 KB Output is correct
23 Correct 13 ms 9720 KB Output is correct
24 Correct 13 ms 9720 KB Output is correct
25 Correct 11 ms 9720 KB Output is correct
26 Correct 11 ms 9720 KB Output is correct
27 Correct 11 ms 9724 KB Output is correct
28 Correct 11 ms 9720 KB Output is correct
29 Correct 10 ms 9720 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 11 ms 9720 KB Output is correct
32 Correct 11 ms 9720 KB Output is correct
33 Correct 10 ms 9720 KB Output is correct
34 Correct 11 ms 9720 KB Output is correct
35 Correct 10 ms 9720 KB Output is correct
36 Correct 11 ms 9720 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 13 ms 9720 KB Output is correct
4 Correct 10 ms 9720 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 11 ms 9720 KB Output is correct
7 Correct 10 ms 9720 KB Output is correct
8 Correct 11 ms 9696 KB Output is correct
9 Correct 11 ms 9720 KB Output is correct
10 Correct 11 ms 9728 KB Output is correct
11 Correct 11 ms 9720 KB Output is correct
12 Correct 10 ms 9720 KB Output is correct
13 Correct 11 ms 9720 KB Output is correct
14 Correct 11 ms 9720 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 10 ms 9720 KB Output is correct
17 Correct 11 ms 9724 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 11 ms 9720 KB Output is correct
20 Correct 14 ms 10232 KB Output is correct
21 Correct 14 ms 10232 KB Output is correct
22 Correct 52 ms 13844 KB Output is correct
23 Correct 49 ms 13772 KB Output is correct
24 Correct 53 ms 13796 KB Output is correct
25 Correct 49 ms 13828 KB Output is correct
26 Correct 53 ms 13764 KB Output is correct
27 Correct 47 ms 13800 KB Output is correct
28 Correct 50 ms 13804 KB Output is correct
29 Correct 50 ms 13776 KB Output is correct
30 Correct 51 ms 13804 KB Output is correct
31 Correct 52 ms 13696 KB Output is correct
32 Correct 50 ms 13804 KB Output is correct
33 Correct 48 ms 13804 KB Output is correct
34 Correct 54 ms 13804 KB Output is correct
35 Correct 12 ms 9720 KB Output is correct
36 Correct 13 ms 9720 KB Output is correct
37 Correct 52 ms 13804 KB Output is correct
38 Correct 53 ms 13784 KB Output is correct
39 Correct 51 ms 13804 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 11 ms 9692 KB Output is correct
4 Correct 10 ms 9720 KB Output is correct
5 Correct 94 ms 19308 KB Output is correct
6 Correct 74 ms 14452 KB Output is correct
7 Correct 93 ms 19280 KB Output is correct
8 Correct 57 ms 13884 KB Output is correct
9 Correct 93 ms 19308 KB Output is correct
10 Correct 88 ms 16236 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 10 ms 9724 KB Output is correct
4 Correct 10 ms 9720 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 10 ms 9720 KB Output is correct
7 Correct 10 ms 9720 KB Output is correct
8 Correct 10 ms 9720 KB Output is correct
9 Correct 10 ms 9692 KB Output is correct
10 Correct 10 ms 9720 KB Output is correct
11 Correct 10 ms 9724 KB Output is correct
12 Correct 10 ms 9720 KB Output is correct
13 Correct 10 ms 9720 KB Output is correct
14 Correct 10 ms 9720 KB Output is correct
15 Correct 11 ms 9720 KB Output is correct
16 Correct 10 ms 9720 KB Output is correct
17 Correct 10 ms 9776 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 12 ms 9848 KB Output is correct
20 Correct 13 ms 9724 KB Output is correct
21 Correct 13 ms 9720 KB Output is correct
22 Correct 12 ms 9724 KB Output is correct
23 Correct 13 ms 9720 KB Output is correct
24 Correct 13 ms 9720 KB Output is correct
25 Correct 11 ms 9720 KB Output is correct
26 Correct 11 ms 9720 KB Output is correct
27 Correct 11 ms 9724 KB Output is correct
28 Correct 11 ms 9720 KB Output is correct
29 Correct 10 ms 9720 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 11 ms 9720 KB Output is correct
32 Correct 11 ms 9720 KB Output is correct
33 Correct 10 ms 9720 KB Output is correct
34 Correct 11 ms 9720 KB Output is correct
35 Correct 10 ms 9720 KB Output is correct
36 Correct 11 ms 9720 KB Output is correct
37 Correct 10 ms 9720 KB Output is correct
38 Correct 10 ms 9796 KB Output is correct
39 Correct 13 ms 9720 KB Output is correct
40 Correct 13 ms 9720 KB Output is correct
41 Correct 11 ms 9848 KB Output is correct
42 Correct 11 ms 9848 KB Output is correct
43 Correct 11 ms 9720 KB Output is correct
44 Correct 11 ms 9848 KB Output is correct
45 Correct 11 ms 9852 KB Output is correct
46 Correct 11 ms 9848 KB Output is correct
47 Correct 11 ms 9848 KB Output is correct
48 Correct 11 ms 9720 KB Output is correct
49 Correct 12 ms 9720 KB Output is correct
50 Correct 13 ms 9764 KB Output is correct
51 Correct 13 ms 9720 KB Output is correct
52 Correct 12 ms 9848 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 10 ms 9724 KB Output is correct
4 Correct 10 ms 9720 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 10 ms 9720 KB Output is correct
7 Correct 10 ms 9720 KB Output is correct
8 Correct 10 ms 9720 KB Output is correct
9 Correct 10 ms 9692 KB Output is correct
10 Correct 10 ms 9720 KB Output is correct
11 Correct 10 ms 9724 KB Output is correct
12 Correct 10 ms 9720 KB Output is correct
13 Correct 10 ms 9720 KB Output is correct
14 Correct 10 ms 9720 KB Output is correct
15 Correct 11 ms 9720 KB Output is correct
16 Correct 10 ms 9720 KB Output is correct
17 Correct 10 ms 9776 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 12 ms 9848 KB Output is correct
20 Correct 13 ms 9724 KB Output is correct
21 Correct 13 ms 9720 KB Output is correct
22 Correct 12 ms 9724 KB Output is correct
23 Correct 13 ms 9720 KB Output is correct
24 Correct 13 ms 9720 KB Output is correct
25 Correct 11 ms 9720 KB Output is correct
26 Correct 11 ms 9720 KB Output is correct
27 Correct 11 ms 9724 KB Output is correct
28 Correct 11 ms 9720 KB Output is correct
29 Correct 10 ms 9720 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 11 ms 9720 KB Output is correct
32 Correct 11 ms 9720 KB Output is correct
33 Correct 10 ms 9720 KB Output is correct
34 Correct 11 ms 9720 KB Output is correct
35 Correct 10 ms 9720 KB Output is correct
36 Correct 11 ms 9720 KB Output is correct
37 Correct 13 ms 9720 KB Output is correct
38 Correct 10 ms 9720 KB Output is correct
39 Correct 10 ms 9720 KB Output is correct
40 Correct 11 ms 9720 KB Output is correct
41 Correct 10 ms 9720 KB Output is correct
42 Correct 11 ms 9696 KB Output is correct
43 Correct 11 ms 9720 KB Output is correct
44 Correct 11 ms 9728 KB Output is correct
45 Correct 11 ms 9720 KB Output is correct
46 Correct 10 ms 9720 KB Output is correct
47 Correct 11 ms 9720 KB Output is correct
48 Correct 11 ms 9720 KB Output is correct
49 Correct 10 ms 9720 KB Output is correct
50 Correct 10 ms 9720 KB Output is correct
51 Correct 11 ms 9724 KB Output is correct
52 Correct 10 ms 9720 KB Output is correct
53 Correct 11 ms 9720 KB Output is correct
54 Correct 14 ms 10232 KB Output is correct
55 Correct 14 ms 10232 KB Output is correct
56 Correct 52 ms 13844 KB Output is correct
57 Correct 49 ms 13772 KB Output is correct
58 Correct 53 ms 13796 KB Output is correct
59 Correct 49 ms 13828 KB Output is correct
60 Correct 53 ms 13764 KB Output is correct
61 Correct 47 ms 13800 KB Output is correct
62 Correct 50 ms 13804 KB Output is correct
63 Correct 50 ms 13776 KB Output is correct
64 Correct 51 ms 13804 KB Output is correct
65 Correct 52 ms 13696 KB Output is correct
66 Correct 50 ms 13804 KB Output is correct
67 Correct 48 ms 13804 KB Output is correct
68 Correct 54 ms 13804 KB Output is correct
69 Correct 12 ms 9720 KB Output is correct
70 Correct 13 ms 9720 KB Output is correct
71 Correct 52 ms 13804 KB Output is correct
72 Correct 53 ms 13784 KB Output is correct
73 Correct 51 ms 13804 KB Output is correct
74 Correct 11 ms 9720 KB Output is correct
75 Correct 10 ms 9720 KB Output is correct
76 Correct 11 ms 9692 KB Output is correct
77 Correct 10 ms 9720 KB Output is correct
78 Correct 94 ms 19308 KB Output is correct
79 Correct 74 ms 14452 KB Output is correct
80 Correct 93 ms 19280 KB Output is correct
81 Correct 57 ms 13884 KB Output is correct
82 Correct 93 ms 19308 KB Output is correct
83 Correct 88 ms 16236 KB Output is correct
84 Correct 10 ms 9720 KB Output is correct
85 Correct 10 ms 9796 KB Output is correct
86 Correct 13 ms 9720 KB Output is correct
87 Correct 13 ms 9720 KB Output is correct
88 Correct 11 ms 9848 KB Output is correct
89 Correct 11 ms 9848 KB Output is correct
90 Correct 11 ms 9720 KB Output is correct
91 Correct 11 ms 9848 KB Output is correct
92 Correct 11 ms 9852 KB Output is correct
93 Correct 11 ms 9848 KB Output is correct
94 Correct 11 ms 9848 KB Output is correct
95 Correct 11 ms 9720 KB Output is correct
96 Correct 12 ms 9720 KB Output is correct
97 Correct 13 ms 9764 KB Output is correct
98 Correct 13 ms 9720 KB Output is correct
99 Correct 12 ms 9848 KB Output is correct
100 Correct 13 ms 9848 KB Output is correct
101 Correct 21 ms 10744 KB Output is correct
102 Correct 20 ms 10360 KB Output is correct
103 Correct 102 ms 19184 KB Output is correct
104 Correct 105 ms 19228 KB Output is correct
105 Correct 105 ms 16588 KB Output is correct
106 Correct 92 ms 19308 KB Output is correct
107 Correct 90 ms 14644 KB Output is correct
108 Correct 80 ms 14960 KB Output is correct
109 Correct 58 ms 14192 KB Output is correct
110 Correct 50 ms 13796 KB Output is correct
111 Correct 92 ms 18540 KB Output is correct
112 Correct 102 ms 17872 KB Output is correct
113 Correct 78 ms 14576 KB Output is correct
114 Correct 92 ms 19180 KB Output is correct
115 Correct 93 ms 19308 KB Output is correct