oj.uz

Submission #156029

# Submission time Handle Problem Language Result Execution time Memory
156029 2019-10-02T19:32:15 Z giorgikob Arranging Shoes (IOI19_shoes) C++14
100 / 100
 228 ms 36420 KB 
#include "shoes.h"
int n,r,pos,l,x;
 
long long ans;
 
std::vector<int>locl[500001],locr[500001],s;

int fix[500001];
int indl[500001],indr[500001];
 
int tree[800001];
void upd(int node,int tl,int tr,int pos){
	
	if(tl==tr){
		tree[node] = 1;
		return;
	}
	
	int mid = (tl+tr)/2;
	
	if(pos<=mid)
		upd(node*2,tl,mid,pos);
	else
		upd(node*2+1,mid+1,tr,pos);
	
	tree[node] = tree[node*2] + tree[node*2+1];
}
 
int get(int node,int tl,int tr){
	
	if(r<tl || tr<l)return 0;
	
	if(tr<=r && l<=tl)return tree[node];
	
	int mid = (tr+tl)/2;
	
	int x = get(node*2,tl,mid);
	int y = get(node*2+1,mid+1,tr);
	
	return x+y;
}
 
long long count_swaps(std::vector<int> s) {
	n = s.size();
	for(int i=0;i<n;i++){
		if(s[i]<0){
			locl[-s[i]].push_back(i);
		} else {
			locr[s[i]].push_back(i);
		}
	}
	
	for(int i=0;i<n;i++)
	if(!fix[i]){
		if(s[i]<0){
			int loc = locr[ -s[i] ][ indr[ -s[i] ] ];
			//cout<<loc<<" 1111"<<endl;
			r = loc;
			l = i+1;
			ans += loc - i - 1 - get(1,0,n-1);
			//cout<<ans<<" 111"<<endl;
			indr[ -s[i] ] ++;
			indl[ -s[i] ] ++;
			fix[loc]=1;
			upd(1,0,n-1,loc);
			
		} else {
			int loc = locl[ s[i] ][ indl[ s[i] ] ];
			//cout<<loc<<endl;
			r = loc;
			l = i+1;
			ans += loc - i - get(1,0,n-1);
			//cout<<ans<<endl;
			indl[ s[i] ] ++;
			indr[ s[i] ] ++;
			fix[loc]=1;
			upd(1,0,n-1,loc);
		}
	}
	
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 23800 KB Output is correct
2 Correct 23 ms 23800 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 23800 KB Output is correct
2 Correct 23 ms 23800 KB Output is correct
3 Correct 23 ms 23800 KB Output is correct
4 Correct 23 ms 23932 KB Output is correct
5 Correct 24 ms 23800 KB Output is correct
6 Correct 23 ms 23832 KB Output is correct
7 Correct 23 ms 23800 KB Output is correct
8 Correct 23 ms 23800 KB Output is correct
9 Correct 23 ms 23800 KB Output is correct
10 Correct 24 ms 23800 KB Output is correct
11 Correct 23 ms 23800 KB Output is correct
12 Correct 28 ms 23800 KB Output is correct
13 Correct 24 ms 23772 KB Output is correct
14 Correct 28 ms 23800 KB Output is correct
15 Correct 23 ms 23800 KB Output is correct
16 Correct 23 ms 23800 KB Output is correct
17 Correct 24 ms 23800 KB Output is correct
18 Correct 23 ms 23860 KB Output is correct
19 Correct 23 ms 23800 KB Output is correct
20 Correct 24 ms 23800 KB Output is correct
21 Correct 24 ms 23800 KB Output is correct
22 Correct 23 ms 23800 KB Output is correct
23 Correct 23 ms 23928 KB Output is correct
24 Correct 24 ms 23800 KB Output is correct
25 Correct 24 ms 23800 KB Output is correct
26 Correct 23 ms 23800 KB Output is correct
27 Correct 24 ms 23772 KB Output is correct
28 Correct 24 ms 23800 KB Output is correct
29 Correct 24 ms 23800 KB Output is correct
30 Correct 23 ms 23800 KB Output is correct
31 Correct 24 ms 23800 KB Output is correct
32 Correct 24 ms 23800 KB Output is correct
33 Correct 24 ms 23800 KB Output is correct
34 Correct 23 ms 23800 KB Output is correct
35 Correct 24 ms 23928 KB Output is correct
36 Correct 23 ms 23832 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 23800 KB Output is correct
2 Correct 23 ms 23800 KB Output is correct
3 Correct 23 ms 23800 KB Output is correct
4 Correct 23 ms 23860 KB Output is correct
5 Correct 23 ms 23800 KB Output is correct
6 Correct 23 ms 23864 KB Output is correct
7 Correct 24 ms 23800 KB Output is correct
8 Correct 23 ms 23800 KB Output is correct
9 Correct 23 ms 23800 KB Output is correct
10 Correct 23 ms 23804 KB Output is correct
11 Correct 23 ms 23800 KB Output is correct
12 Correct 23 ms 23800 KB Output is correct
13 Correct 23 ms 23800 KB Output is correct
14 Correct 24 ms 23800 KB Output is correct
15 Correct 24 ms 23800 KB Output is correct
16 Correct 24 ms 23800 KB Output is correct
17 Correct 24 ms 23800 KB Output is correct
18 Correct 24 ms 23928 KB Output is correct
19 Correct 24 ms 23800 KB Output is correct
20 Correct 30 ms 24568 KB Output is correct
21 Correct 31 ms 24568 KB Output is correct
22 Correct 95 ms 30104 KB Output is correct
23 Correct 85 ms 30288 KB Output is correct
24 Correct 91 ms 30188 KB Output is correct
25 Correct 94 ms 28912 KB Output is correct
26 Correct 96 ms 30188 KB Output is correct
27 Correct 83 ms 30188 KB Output is correct
28 Correct 94 ms 28784 KB Output is correct
29 Correct 94 ms 28912 KB Output is correct
30 Correct 94 ms 28784 KB Output is correct
31 Correct 95 ms 30212 KB Output is correct
32 Correct 94 ms 28784 KB Output is correct
33 Correct 93 ms 28752 KB Output is correct
34 Correct 95 ms 28780 KB Output is correct
35 Correct 24 ms 23928 KB Output is correct
36 Correct 24 ms 23800 KB Output is correct
37 Correct 94 ms 28844 KB Output is correct
38 Correct 94 ms 28780 KB Output is correct
39 Correct 96 ms 28796 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 23800 KB Output is correct
2 Correct 22 ms 23800 KB Output is correct
3 Correct 23 ms 23804 KB Output is correct
4 Correct 23 ms 23804 KB Output is correct
5 Correct 135 ms 34888 KB Output is correct
6 Correct 118 ms 30100 KB Output is correct
7 Correct 132 ms 34940 KB Output is correct
8 Correct 97 ms 28808 KB Output is correct
9 Correct 139 ms 34936 KB Output is correct
10 Correct 138 ms 31992 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 23800 KB Output is correct
2 Correct 23 ms 23800 KB Output is correct
3 Correct 23 ms 23800 KB Output is correct
4 Correct 23 ms 23932 KB Output is correct
5 Correct 24 ms 23800 KB Output is correct
6 Correct 23 ms 23832 KB Output is correct
7 Correct 23 ms 23800 KB Output is correct
8 Correct 23 ms 23800 KB Output is correct
9 Correct 23 ms 23800 KB Output is correct
10 Correct 24 ms 23800 KB Output is correct
11 Correct 23 ms 23800 KB Output is correct
12 Correct 28 ms 23800 KB Output is correct
13 Correct 24 ms 23772 KB Output is correct
14 Correct 28 ms 23800 KB Output is correct
15 Correct 23 ms 23800 KB Output is correct
16 Correct 23 ms 23800 KB Output is correct
17 Correct 24 ms 23800 KB Output is correct
18 Correct 23 ms 23860 KB Output is correct
19 Correct 23 ms 23800 KB Output is correct
20 Correct 24 ms 23800 KB Output is correct
21 Correct 24 ms 23800 KB Output is correct
22 Correct 23 ms 23800 KB Output is correct
23 Correct 23 ms 23928 KB Output is correct
24 Correct 24 ms 23800 KB Output is correct
25 Correct 24 ms 23800 KB Output is correct
26 Correct 23 ms 23800 KB Output is correct
27 Correct 24 ms 23772 KB Output is correct
28 Correct 24 ms 23800 KB Output is correct
29 Correct 24 ms 23800 KB Output is correct
30 Correct 23 ms 23800 KB Output is correct
31 Correct 24 ms 23800 KB Output is correct
32 Correct 24 ms 23800 KB Output is correct
33 Correct 24 ms 23800 KB Output is correct
34 Correct 23 ms 23800 KB Output is correct
35 Correct 24 ms 23928 KB Output is correct
36 Correct 23 ms 23832 KB Output is correct
37 Correct 23 ms 23800 KB Output is correct
38 Correct 23 ms 23800 KB Output is correct
39 Correct 23 ms 23800 KB Output is correct
40 Correct 28 ms 23928 KB Output is correct
41 Correct 28 ms 23928 KB Output is correct
42 Correct 24 ms 23928 KB Output is correct
43 Correct 29 ms 23928 KB Output is correct
44 Correct 24 ms 23928 KB Output is correct
45 Correct 28 ms 23848 KB Output is correct
46 Correct 24 ms 23928 KB Output is correct
47 Correct 29 ms 23928 KB Output is correct
48 Correct 28 ms 23928 KB Output is correct
49 Correct 28 ms 23928 KB Output is correct
50 Correct 23 ms 23800 KB Output is correct
51 Correct 24 ms 23800 KB Output is correct
52 Correct 24 ms 23932 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 23800 KB Output is correct
2 Correct 23 ms 23800 KB Output is correct
3 Correct 23 ms 23800 KB Output is correct
4 Correct 23 ms 23932 KB Output is correct
5 Correct 24 ms 23800 KB Output is correct
6 Correct 23 ms 23832 KB Output is correct
7 Correct 23 ms 23800 KB Output is correct
8 Correct 23 ms 23800 KB Output is correct
9 Correct 23 ms 23800 KB Output is correct
10 Correct 24 ms 23800 KB Output is correct
11 Correct 23 ms 23800 KB Output is correct
12 Correct 28 ms 23800 KB Output is correct
13 Correct 24 ms 23772 KB Output is correct
14 Correct 28 ms 23800 KB Output is correct
15 Correct 23 ms 23800 KB Output is correct
16 Correct 23 ms 23800 KB Output is correct
17 Correct 24 ms 23800 KB Output is correct
18 Correct 23 ms 23860 KB Output is correct
19 Correct 23 ms 23800 KB Output is correct
20 Correct 24 ms 23800 KB Output is correct
21 Correct 24 ms 23800 KB Output is correct
22 Correct 23 ms 23800 KB Output is correct
23 Correct 23 ms 23928 KB Output is correct
24 Correct 24 ms 23800 KB Output is correct
25 Correct 24 ms 23800 KB Output is correct
26 Correct 23 ms 23800 KB Output is correct
27 Correct 24 ms 23772 KB Output is correct
28 Correct 24 ms 23800 KB Output is correct
29 Correct 24 ms 23800 KB Output is correct
30 Correct 23 ms 23800 KB Output is correct
31 Correct 24 ms 23800 KB Output is correct
32 Correct 24 ms 23800 KB Output is correct
33 Correct 24 ms 23800 KB Output is correct
34 Correct 23 ms 23800 KB Output is correct
35 Correct 24 ms 23928 KB Output is correct
36 Correct 23 ms 23832 KB Output is correct
37 Correct 23 ms 23800 KB Output is correct
38 Correct 23 ms 23860 KB Output is correct
39 Correct 23 ms 23800 KB Output is correct
40 Correct 23 ms 23864 KB Output is correct
41 Correct 24 ms 23800 KB Output is correct
42 Correct 23 ms 23800 KB Output is correct
43 Correct 23 ms 23800 KB Output is correct
44 Correct 23 ms 23804 KB Output is correct
45 Correct 23 ms 23800 KB Output is correct
46 Correct 23 ms 23800 KB Output is correct
47 Correct 23 ms 23800 KB Output is correct
48 Correct 24 ms 23800 KB Output is correct
49 Correct 24 ms 23800 KB Output is correct
50 Correct 24 ms 23800 KB Output is correct
51 Correct 24 ms 23800 KB Output is correct
52 Correct 24 ms 23928 KB Output is correct
53 Correct 24 ms 23800 KB Output is correct
54 Correct 30 ms 24568 KB Output is correct
55 Correct 31 ms 24568 KB Output is correct
56 Correct 95 ms 30104 KB Output is correct
57 Correct 85 ms 30288 KB Output is correct
58 Correct 91 ms 30188 KB Output is correct
59 Correct 94 ms 28912 KB Output is correct
60 Correct 96 ms 30188 KB Output is correct
61 Correct 83 ms 30188 KB Output is correct
62 Correct 94 ms 28784 KB Output is correct
63 Correct 94 ms 28912 KB Output is correct
64 Correct 94 ms 28784 KB Output is correct
65 Correct 95 ms 30212 KB Output is correct
66 Correct 94 ms 28784 KB Output is correct
67 Correct 93 ms 28752 KB Output is correct
68 Correct 95 ms 28780 KB Output is correct
69 Correct 24 ms 23928 KB Output is correct
70 Correct 24 ms 23800 KB Output is correct
71 Correct 94 ms 28844 KB Output is correct
72 Correct 94 ms 28780 KB Output is correct
73 Correct 96 ms 28796 KB Output is correct
74 Correct 23 ms 23800 KB Output is correct
75 Correct 22 ms 23800 KB Output is correct
76 Correct 23 ms 23804 KB Output is correct
77 Correct 23 ms 23804 KB Output is correct
78 Correct 135 ms 34888 KB Output is correct
79 Correct 118 ms 30100 KB Output is correct
80 Correct 132 ms 34940 KB Output is correct
81 Correct 97 ms 28808 KB Output is correct
82 Correct 139 ms 34936 KB Output is correct
83 Correct 138 ms 31992 KB Output is correct
84 Correct 23 ms 23800 KB Output is correct
85 Correct 23 ms 23800 KB Output is correct
86 Correct 23 ms 23800 KB Output is correct
87 Correct 28 ms 23928 KB Output is correct
88 Correct 28 ms 23928 KB Output is correct
89 Correct 24 ms 23928 KB Output is correct
90 Correct 29 ms 23928 KB Output is correct
91 Correct 24 ms 23928 KB Output is correct
92 Correct 28 ms 23848 KB Output is correct
93 Correct 24 ms 23928 KB Output is correct
94 Correct 29 ms 23928 KB Output is correct
95 Correct 28 ms 23928 KB Output is correct
96 Correct 28 ms 23928 KB Output is correct
97 Correct 23 ms 23800 KB Output is correct
98 Correct 24 ms 23800 KB Output is correct
99 Correct 24 ms 23932 KB Output is correct
100 Correct 24 ms 23928 KB Output is correct
101 Correct 39 ms 25052 KB Output is correct
102 Correct 38 ms 24696 KB Output is correct
103 Correct 228 ms 36352 KB Output is correct
104 Correct 141 ms 36420 KB Output is correct
105 Correct 166 ms 33584 KB Output is correct
106 Correct 142 ms 34836 KB Output is correct
107 Correct 122 ms 31608 KB Output is correct
108 Correct 134 ms 31992 KB Output is correct
109 Correct 104 ms 29180 KB Output is correct
110 Correct 100 ms 28848 KB Output is correct
111 Correct 172 ms 34296 KB Output is correct
112 Correct 214 ms 34808 KB Output is correct
113 Correct 160 ms 30172 KB Output is correct
114 Correct 148 ms 35064 KB Output is correct
115 Correct 153 ms 34884 KB Output is correct