oj.uz

Submission #303188

# Submission time Handle Problem Language Result Execution time Memory
303188 2020-09-20T00:42:34 Z sofapuden Arranging Shoes (IOI19_shoes) C++14
100 / 100
 105 ms 16884 KB 
#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

bool com(pair<int,int> a, pair<int,int> b){
	return min(a.first,a.second)<min(b.first,b.second);
}
vector<int> tree;
vector<int> ind;

void build(int l, int r, int p){
	if(l == r)ind[l] = p;
	else{
		build(l,(l+r)/2,p*2);
		build((l+r)/2+1,r,p*2+1);
	}
}
void add(int r, int p, int lb, int rb){
	if(rb <= r){tree[p]++;return;}
	if(lb > r)return;
	add(r,p*2,lb,(rb+lb)/2);
	add(r,p*2+1,(rb+lb)/2+1,rb);
}
int check(int p){
	if(p == 0)return 0;
	return check(p/2)+tree[p];
}
ll count_swaps(vector<int> s) {
	int n = s.size()/2;
	tree.resize(8*n);
	ind.resize(n*2+1);
	build(0,n*2-1,1);
	vector<vector<pair<int,int>>> shoe(n*2+1);
	vector<pair<int,int>> seg;
	vector<int> num(n*2+1,0);
	for(int i = 0; i < n*2; ++i){
		if(num[abs(s[i])] == (int)shoe[abs(s[i])].size()){
			shoe[abs(s[i])].push_back({s[i],i});
			continue;
		}
		if(shoe[abs(s[i])][num[abs(s[i])]].first == s[i]){
			shoe[abs(s[i])].push_back({s[i],i});
			continue;
		}
		if(s[i] > 0)seg.push_back({i,shoe[abs(s[i])][num[abs(s[i])]].second});
		else seg.push_back({shoe[abs(s[i])][num[abs(s[i])]].second,i});
		num[abs(s[i])]++;
	}
	sort(seg.begin(),seg.end(),com);
	ll ans = 0;
	for(int i = 0; i < (int)seg.size(); ++i){
		int x = max(seg[i].first,seg[i].second);
		int y = x+check(ind[x]);
		add(x,1,0,n*2-1);
		ans+=y-(i*2+1);
		ans+=seg[i].first < seg[i].second;		
	}
	return ans;		
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 0 ms 256 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 0 ms 256 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 0 ms 256 KB Output is correct
26 Correct 1 ms 256 KB Output is correct
27 Correct 1 ms 256 KB Output is correct
28 Correct 0 ms 256 KB Output is correct
29 Correct 1 ms 256 KB Output is correct
30 Correct 1 ms 256 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 1 ms 256 KB Output is correct
35 Correct 1 ms 256 KB Output is correct
36 Correct 0 ms 256 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 512 KB Output is correct
19 Correct 1 ms 512 KB Output is correct
20 Correct 6 ms 1792 KB Output is correct
21 Correct 6 ms 1792 KB Output is correct
22 Correct 64 ms 14316 KB Output is correct
23 Correct 64 ms 14316 KB Output is correct
24 Correct 67 ms 14316 KB Output is correct
25 Correct 57 ms 14700 KB Output is correct
26 Correct 65 ms 14316 KB Output is correct
27 Correct 61 ms 14180 KB Output is correct
28 Correct 65 ms 14828 KB Output is correct
29 Correct 62 ms 14828 KB Output is correct
30 Correct 63 ms 14828 KB Output is correct
31 Correct 64 ms 14316 KB Output is correct
32 Correct 63 ms 14900 KB Output is correct
33 Correct 59 ms 14700 KB Output is correct
34 Correct 63 ms 14828 KB Output is correct
35 Correct 0 ms 256 KB Output is correct
36 Correct 1 ms 256 KB Output is correct
37 Correct 62 ms 14836 KB Output is correct
38 Correct 63 ms 14828 KB Output is correct
39 Correct 62 ms 14828 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 81 ms 16880 KB Output is correct
6 Correct 73 ms 14960 KB Output is correct
7 Correct 83 ms 16756 KB Output is correct
8 Correct 67 ms 14576 KB Output is correct
9 Correct 79 ms 16756 KB Output is correct
10 Correct 80 ms 15468 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 0 ms 256 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 0 ms 256 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 0 ms 256 KB Output is correct
26 Correct 1 ms 256 KB Output is correct
27 Correct 1 ms 256 KB Output is correct
28 Correct 0 ms 256 KB Output is correct
29 Correct 1 ms 256 KB Output is correct
30 Correct 1 ms 256 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 1 ms 256 KB Output is correct
35 Correct 1 ms 256 KB Output is correct
36 Correct 0 ms 256 KB Output is correct
37 Correct 1 ms 256 KB Output is correct
38 Correct 0 ms 256 KB Output is correct
39 Correct 1 ms 384 KB Output is correct
40 Correct 1 ms 384 KB Output is correct
41 Correct 1 ms 512 KB Output is correct
42 Correct 1 ms 512 KB Output is correct
43 Correct 1 ms 512 KB Output is correct
44 Correct 1 ms 512 KB Output is correct
45 Correct 1 ms 512 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 1 ms 512 KB Output is correct
48 Correct 1 ms 512 KB Output is correct
49 Correct 1 ms 384 KB Output is correct
50 Correct 1 ms 512 KB Output is correct
51 Correct 1 ms 384 KB Output is correct
52 Correct 1 ms 512 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 0 ms 256 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 0 ms 256 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 0 ms 256 KB Output is correct
26 Correct 1 ms 256 KB Output is correct
27 Correct 1 ms 256 KB Output is correct
28 Correct 0 ms 256 KB Output is correct
29 Correct 1 ms 256 KB Output is correct
30 Correct 1 ms 256 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 1 ms 256 KB Output is correct
35 Correct 1 ms 256 KB Output is correct
36 Correct 0 ms 256 KB Output is correct
37 Correct 0 ms 256 KB Output is correct
38 Correct 1 ms 256 KB Output is correct
39 Correct 0 ms 256 KB Output is correct
40 Correct 0 ms 256 KB Output is correct
41 Correct 1 ms 256 KB Output is correct
42 Correct 0 ms 256 KB Output is correct
43 Correct 1 ms 256 KB Output is correct
44 Correct 0 ms 256 KB Output is correct
45 Correct 0 ms 256 KB Output is correct
46 Correct 1 ms 256 KB Output is correct
47 Correct 0 ms 256 KB Output is correct
48 Correct 1 ms 256 KB Output is correct
49 Correct 1 ms 256 KB Output is correct
50 Correct 1 ms 384 KB Output is correct
51 Correct 1 ms 384 KB Output is correct
52 Correct 1 ms 512 KB Output is correct
53 Correct 1 ms 512 KB Output is correct
54 Correct 6 ms 1792 KB Output is correct
55 Correct 6 ms 1792 KB Output is correct
56 Correct 64 ms 14316 KB Output is correct
57 Correct 64 ms 14316 KB Output is correct
58 Correct 67 ms 14316 KB Output is correct
59 Correct 57 ms 14700 KB Output is correct
60 Correct 65 ms 14316 KB Output is correct
61 Correct 61 ms 14180 KB Output is correct
62 Correct 65 ms 14828 KB Output is correct
63 Correct 62 ms 14828 KB Output is correct
64 Correct 63 ms 14828 KB Output is correct
65 Correct 64 ms 14316 KB Output is correct
66 Correct 63 ms 14900 KB Output is correct
67 Correct 59 ms 14700 KB Output is correct
68 Correct 63 ms 14828 KB Output is correct
69 Correct 0 ms 256 KB Output is correct
70 Correct 1 ms 256 KB Output is correct
71 Correct 62 ms 14836 KB Output is correct
72 Correct 63 ms 14828 KB Output is correct
73 Correct 62 ms 14828 KB Output is correct
74 Correct 1 ms 256 KB Output is correct
75 Correct 0 ms 256 KB Output is correct
76 Correct 1 ms 256 KB Output is correct
77 Correct 1 ms 256 KB Output is correct
78 Correct 81 ms 16880 KB Output is correct
79 Correct 73 ms 14960 KB Output is correct
80 Correct 83 ms 16756 KB Output is correct
81 Correct 67 ms 14576 KB Output is correct
82 Correct 79 ms 16756 KB Output is correct
83 Correct 80 ms 15468 KB Output is correct
84 Correct 1 ms 256 KB Output is correct
85 Correct 0 ms 256 KB Output is correct
86 Correct 1 ms 384 KB Output is correct
87 Correct 1 ms 384 KB Output is correct
88 Correct 1 ms 512 KB Output is correct
89 Correct 1 ms 512 KB Output is correct
90 Correct 1 ms 512 KB Output is correct
91 Correct 1 ms 512 KB Output is correct
92 Correct 1 ms 512 KB Output is correct
93 Correct 1 ms 384 KB Output is correct
94 Correct 1 ms 512 KB Output is correct
95 Correct 1 ms 512 KB Output is correct
96 Correct 1 ms 384 KB Output is correct
97 Correct 1 ms 512 KB Output is correct
98 Correct 1 ms 384 KB Output is correct
99 Correct 1 ms 512 KB Output is correct
100 Correct 1 ms 512 KB Output is correct
101 Correct 8 ms 1920 KB Output is correct
102 Correct 8 ms 1792 KB Output is correct
103 Correct 105 ms 16624 KB Output is correct
104 Correct 85 ms 16492 KB Output is correct
105 Correct 94 ms 15212 KB Output is correct
106 Correct 81 ms 16884 KB Output is correct
107 Correct 79 ms 14700 KB Output is correct
108 Correct 78 ms 14828 KB Output is correct
109 Correct 63 ms 15212 KB Output is correct
110 Correct 63 ms 14828 KB Output is correct
111 Correct 95 ms 16492 KB Output is correct
112 Correct 95 ms 15984 KB Output is correct
113 Correct 87 ms 15144 KB Output is correct
114 Correct 86 ms 16760 KB Output is correct
115 Correct 80 ms 16760 KB Output is correct