oj.uz

Submission #152513

# Submission time Handle Problem Language Result Execution time Memory
152513 2019-09-08T08:52:25 Z MoNsTeR_CuBe Arranging Shoes (IOI19_shoes) C++17
100 / 100
 695 ms 44040 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

#define int long long
 
struct node{
	node* l, *r;
	int val;
	int lazy;
	
	void push(){
		if(l) l->lazy += lazy;
		if(r) r->lazy += lazy;
		val += lazy;
		lazy = 0;
	}
	
	void update(){
		val = l->val + r->val;
	}
};
 
void Build(node* root, int left, int right){
	if(left == right) return;
	int mid = (left+right)/2;
	
	root->l = new node{NULL,NULL,0,0};
	root->r = new node{NULL,NULL,0,0};
	
	Build(root->l, left, mid);
	Build(root->r, mid+1, right);
}
 
int query(node* root, int left, int right, int qL, int qR){
	root->push();
	if(left > qR || right < qL){
		return 0;
	}
	if(left >= qL && right <= qR){
		return root->val;
	}
	int mid = (left+right)/2;
	return query(root->l, left, mid, qL, qR) + query(root->r, mid+1, right, qL, qR);
}
 
void update(node* root, int left, int right, int qL, int qR, int x){
	root->push();
	if(left > qR || right < qL) return;
	if(left >= qL && right <= qR){
		root->lazy += x;
		root->push();
		return;
	}
	int mid = (left+right)/2;
	update(root->l, left, mid, qL, qR, x);
	update(root->r, mid+1, right, qL, qR, x);
	root->update();
}
#undef int
long long count_swaps(vector<int> s) {
#define int long long 
	int n = s.size();
	
	vector< bool > used(n, false);
	map< int, vector< int > > mape;
	
	node* root = new node{NULL,NULL,0,0};
	Build(root, 1, n+1);
	
	for(int i = n-1; i >= 0; i--){
		mape[s[i]].push_back(i);
		//cout << "PUSHED " << s[i] << ' ' << i << endl;
	}
	
	int ans = 0;
	
	for(int i = 0; i < n; i++){
		if(used[i]) continue;
		int index = mape[-s[i]].back();
		mape[-s[i]].pop_back();
		mape[s[i]].pop_back();
		
		used[i] = true;
		used[index] = true;
		
		//cout << "INDEXES " << i << ' ' << index << endl;
		
		int realI = i+query(root, 1, n+1, i+1,i+1);
		int realIndex = index+query(root, 1, n+1, index+1, index+1);
		
		//cout << "REAL " << realI << ' ' << realIndex << endl;
		
		update(root, 1, n+1, 1, index, 1);
		
		if(s[i] < 0){
			ans += abs(realI-realIndex)-1;
		}else{
			ans += abs(realI-realIndex);
		}
	}
	
	//cout << ans << endl;
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 252 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 2 ms 256 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 3 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 256 KB Output is correct
15 Correct 3 ms 320 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 3 ms 504 KB Output is correct
19 Correct 4 ms 504 KB Output is correct
20 Correct 17 ms 2680 KB Output is correct
21 Correct 17 ms 2680 KB Output is correct
22 Correct 171 ms 22432 KB Output is correct
23 Correct 167 ms 22428 KB Output is correct
24 Correct 170 ms 22464 KB Output is correct
25 Correct 163 ms 23020 KB Output is correct
26 Correct 173 ms 23824 KB Output is correct
27 Correct 170 ms 23520 KB Output is correct
28 Correct 165 ms 24300 KB Output is correct
29 Correct 164 ms 24272 KB Output is correct
30 Correct 164 ms 24300 KB Output is correct
31 Correct 172 ms 23676 KB Output is correct
32 Correct 164 ms 24348 KB Output is correct
33 Correct 163 ms 24048 KB Output is correct
34 Correct 180 ms 24272 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 380 KB Output is correct
37 Correct 164 ms 24300 KB Output is correct
38 Correct 167 ms 24300 KB Output is correct
39 Correct 164 ms 24300 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 538 ms 42612 KB Output is correct
6 Correct 301 ms 25972 KB Output is correct
7 Correct 695 ms 44024 KB Output is correct
8 Correct 190 ms 24108 KB Output is correct
9 Correct 552 ms 43948 KB Output is correct
10 Correct 430 ms 33528 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 252 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 2 ms 256 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 252 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 3 ms 376 KB Output is correct
41 Correct 3 ms 760 KB Output is correct
42 Correct 5 ms 764 KB Output is correct
43 Correct 5 ms 760 KB Output is correct
44 Correct 4 ms 760 KB Output is correct
45 Correct 4 ms 636 KB Output is correct
46 Correct 4 ms 632 KB Output is correct
47 Correct 4 ms 632 KB Output is correct
48 Correct 4 ms 632 KB Output is correct
49 Correct 4 ms 632 KB Output is correct
50 Correct 4 ms 504 KB Output is correct
51 Correct 3 ms 504 KB Output is correct
52 Correct 4 ms 760 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 252 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 2 ms 256 KB Output is correct
37 Correct 2 ms 256 KB Output is correct
38 Correct 2 ms 256 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 3 ms 256 KB Output is correct
41 Correct 2 ms 256 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 2 ms 256 KB Output is correct
44 Correct 2 ms 380 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 3 ms 376 KB Output is correct
48 Correct 3 ms 256 KB Output is correct
49 Correct 3 ms 320 KB Output is correct
50 Correct 3 ms 376 KB Output is correct
51 Correct 3 ms 376 KB Output is correct
52 Correct 3 ms 504 KB Output is correct
53 Correct 4 ms 504 KB Output is correct
54 Correct 17 ms 2680 KB Output is correct
55 Correct 17 ms 2680 KB Output is correct
56 Correct 171 ms 22432 KB Output is correct
57 Correct 167 ms 22428 KB Output is correct
58 Correct 170 ms 22464 KB Output is correct
59 Correct 163 ms 23020 KB Output is correct
60 Correct 173 ms 23824 KB Output is correct
61 Correct 170 ms 23520 KB Output is correct
62 Correct 165 ms 24300 KB Output is correct
63 Correct 164 ms 24272 KB Output is correct
64 Correct 164 ms 24300 KB Output is correct
65 Correct 172 ms 23676 KB Output is correct
66 Correct 164 ms 24348 KB Output is correct
67 Correct 163 ms 24048 KB Output is correct
68 Correct 180 ms 24272 KB Output is correct
69 Correct 2 ms 376 KB Output is correct
70 Correct 2 ms 380 KB Output is correct
71 Correct 164 ms 24300 KB Output is correct
72 Correct 167 ms 24300 KB Output is correct
73 Correct 164 ms 24300 KB Output is correct
74 Correct 2 ms 256 KB Output is correct
75 Correct 2 ms 256 KB Output is correct
76 Correct 2 ms 376 KB Output is correct
77 Correct 2 ms 348 KB Output is correct
78 Correct 538 ms 42612 KB Output is correct
79 Correct 301 ms 25972 KB Output is correct
80 Correct 695 ms 44024 KB Output is correct
81 Correct 190 ms 24108 KB Output is correct
82 Correct 552 ms 43948 KB Output is correct
83 Correct 430 ms 33528 KB Output is correct
84 Correct 2 ms 376 KB Output is correct
85 Correct 2 ms 252 KB Output is correct
86 Correct 2 ms 376 KB Output is correct
87 Correct 3 ms 376 KB Output is correct
88 Correct 3 ms 760 KB Output is correct
89 Correct 5 ms 764 KB Output is correct
90 Correct 5 ms 760 KB Output is correct
91 Correct 4 ms 760 KB Output is correct
92 Correct 4 ms 636 KB Output is correct
93 Correct 4 ms 632 KB Output is correct
94 Correct 4 ms 632 KB Output is correct
95 Correct 4 ms 632 KB Output is correct
96 Correct 4 ms 632 KB Output is correct
97 Correct 4 ms 504 KB Output is correct
98 Correct 3 ms 504 KB Output is correct
99 Correct 4 ms 760 KB Output is correct
100 Correct 5 ms 760 KB Output is correct
101 Correct 36 ms 4472 KB Output is correct
102 Correct 28 ms 3064 KB Output is correct
103 Correct 683 ms 43940 KB Output is correct
104 Correct 571 ms 43992 KB Output is correct
105 Correct 550 ms 34928 KB Output is correct
106 Correct 539 ms 44024 KB Output is correct
107 Correct 323 ms 26588 KB Output is correct
108 Correct 358 ms 28508 KB Output is correct
109 Correct 168 ms 24556 KB Output is correct
110 Correct 165 ms 24428 KB Output is correct
111 Correct 546 ms 41364 KB Output is correct
112 Correct 621 ms 38936 KB Output is correct
113 Correct 368 ms 26616 KB Output is correct
114 Correct 575 ms 44040 KB Output is correct
115 Correct 562 ms 43900 KB Output is correct