oj.uz

Submission #198945

# Submission time Handle Problem Language Result Execution time Memory
198945 2020-01-28T08:59:56 Z kshitij_sodani Arranging Shoes (IOI19_shoes) C++17
100 / 100
 149 ms 18952 KB 
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
typedef  long long int llo;
#define mp make_pair
#define pb push_back
#define a first
#define b second
#include "shoes.h"

llo tree[200005];
long long n;
llo ss(llo i){
	llo tot=0;
	while(i>0){
		tot+=tree[i];
		i-=(i&-i);
	}
	return tot;
}
void u(llo j){
	while(j<=2*n){
		tree[j]+=1;
		j+=(j&-j);
	}
}
long long count_swaps(vector<int> s){
	n=s.size();
	n/=2;
    memset(tree,0,sizeof(tree));
	vector<llo> aa[n+1];
	vector<llo> bb[n+1];
	for(llo i=0;i<2*n;i++){
		if(s[i]<0){
			aa[-s[i]].pb(i);
		}
		else{
			bb[s[i]].pb(i);
		}
	}
	llo ind[n+1];
	llo ind2[n+1];
	long long tot=0;
	memset(ind,0,sizeof(ind));
	memset(ind2,0,sizeof(ind2));
	llo vis[2*n];
	memset(vis,0,sizeof(vis));
	for(llo i=0;i<2*n;i++){
		//cout<<i<<endl;
		if(vis[i]==1){
		//	cout<<i<<endl;
			continue;
		}
		else{
			if(s[i]<0){
				llo ind3=ind[abs(s[i])];
				llo j=aa[abs(s[i])][ind3];
				llo k=bb[abs(s[i])][ind3];
				llo co=ss(k+1)-ss(j+1);
				tot+=(k-j-1)-co;
				vis[j]=1;
				vis[k]=1;
				u(k+1);
				u(j+1);

			}
			else{
				llo ind3=ind2[abs(s[i])];
				llo j=aa[abs(s[i])][ind3];
				llo k=bb[abs(s[i])][ind3];
				llo co=ss(j+1)-ss(k+1);
			//	cout<<co<<endl;
				tot+=(j-k)-co;
				vis[j]=1;
				vis[k]=1;
				u(j+1);
				u(k+1);
			}
			ind[abs(s[i])]+=1;
			ind2[abs(s[i])]+=1;
	
		}
	}
	return tot;
 
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1912 KB Output is correct
2 Correct 6 ms 1912 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1912 KB Output is correct
2 Correct 6 ms 1912 KB Output is correct
3 Correct 6 ms 1912 KB Output is correct
4 Correct 6 ms 1912 KB Output is correct
5 Correct 6 ms 1912 KB Output is correct
6 Correct 6 ms 1912 KB Output is correct
7 Correct 6 ms 1912 KB Output is correct
8 Correct 6 ms 1784 KB Output is correct
9 Correct 7 ms 1912 KB Output is correct
10 Correct 6 ms 1912 KB Output is correct
11 Correct 6 ms 1912 KB Output is correct
12 Correct 6 ms 1912 KB Output is correct
13 Correct 6 ms 1912 KB Output is correct
14 Correct 6 ms 1912 KB Output is correct
15 Correct 6 ms 1912 KB Output is correct
16 Correct 6 ms 1912 KB Output is correct
17 Correct 6 ms 1912 KB Output is correct
18 Correct 7 ms 1912 KB Output is correct
19 Correct 6 ms 1912 KB Output is correct
20 Correct 6 ms 1912 KB Output is correct
21 Correct 6 ms 1912 KB Output is correct
22 Correct 7 ms 1912 KB Output is correct
23 Correct 6 ms 1912 KB Output is correct
24 Correct 6 ms 1916 KB Output is correct
25 Correct 6 ms 1912 KB Output is correct
26 Correct 6 ms 1912 KB Output is correct
27 Correct 7 ms 1916 KB Output is correct
28 Correct 6 ms 1912 KB Output is correct
29 Correct 6 ms 1912 KB Output is correct
30 Correct 6 ms 1912 KB Output is correct
31 Correct 6 ms 1912 KB Output is correct
32 Correct 6 ms 1912 KB Output is correct
33 Correct 6 ms 1912 KB Output is correct
34 Correct 6 ms 1912 KB Output is correct
35 Correct 6 ms 1912 KB Output is correct
36 Correct 6 ms 1912 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1912 KB Output is correct
2 Correct 6 ms 1912 KB Output is correct
3 Correct 6 ms 1912 KB Output is correct
4 Correct 6 ms 1912 KB Output is correct
5 Correct 6 ms 1912 KB Output is correct
6 Correct 6 ms 1912 KB Output is correct
7 Correct 6 ms 1912 KB Output is correct
8 Correct 6 ms 1912 KB Output is correct
9 Correct 6 ms 1912 KB Output is correct
10 Correct 6 ms 1912 KB Output is correct
11 Correct 6 ms 1912 KB Output is correct
12 Correct 6 ms 1912 KB Output is correct
13 Correct 6 ms 1912 KB Output is correct
14 Correct 6 ms 1912 KB Output is correct
15 Correct 6 ms 1912 KB Output is correct
16 Correct 6 ms 1912 KB Output is correct
17 Correct 7 ms 1912 KB Output is correct
18 Correct 7 ms 1912 KB Output is correct
19 Correct 6 ms 2040 KB Output is correct
20 Correct 11 ms 3064 KB Output is correct
21 Correct 11 ms 3136 KB Output is correct
22 Correct 57 ms 12900 KB Output is correct
23 Correct 50 ms 13044 KB Output is correct
24 Correct 55 ms 12936 KB Output is correct
25 Correct 48 ms 12908 KB Output is correct
26 Correct 54 ms 14308 KB Output is correct
27 Correct 48 ms 14180 KB Output is correct
28 Correct 50 ms 14184 KB Output is correct
29 Correct 51 ms 14188 KB Output is correct
30 Correct 49 ms 14448 KB Output is correct
31 Correct 56 ms 14204 KB Output is correct
32 Correct 54 ms 14188 KB Output is correct
33 Correct 48 ms 14060 KB Output is correct
34 Correct 51 ms 14316 KB Output is correct
35 Correct 6 ms 1912 KB Output is correct
36 Correct 6 ms 1912 KB Output is correct
37 Correct 50 ms 14316 KB Output is correct
38 Correct 52 ms 14316 KB Output is correct
39 Correct 52 ms 14188 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1912 KB Output is correct
2 Correct 6 ms 1912 KB Output is correct
3 Correct 6 ms 1912 KB Output is correct
4 Correct 7 ms 1912 KB Output is correct
5 Correct 112 ms 17660 KB Output is correct
6 Correct 79 ms 13816 KB Output is correct
7 Correct 100 ms 17528 KB Output is correct
8 Correct 52 ms 13488 KB Output is correct
9 Correct 97 ms 17528 KB Output is correct
10 Correct 107 ms 14840 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1912 KB Output is correct
2 Correct 6 ms 1912 KB Output is correct
3 Correct 6 ms 1912 KB Output is correct
4 Correct 6 ms 1912 KB Output is correct
5 Correct 6 ms 1912 KB Output is correct
6 Correct 6 ms 1912 KB Output is correct
7 Correct 6 ms 1912 KB Output is correct
8 Correct 6 ms 1784 KB Output is correct
9 Correct 7 ms 1912 KB Output is correct
10 Correct 6 ms 1912 KB Output is correct
11 Correct 6 ms 1912 KB Output is correct
12 Correct 6 ms 1912 KB Output is correct
13 Correct 6 ms 1912 KB Output is correct
14 Correct 6 ms 1912 KB Output is correct
15 Correct 6 ms 1912 KB Output is correct
16 Correct 6 ms 1912 KB Output is correct
17 Correct 6 ms 1912 KB Output is correct
18 Correct 7 ms 1912 KB Output is correct
19 Correct 6 ms 1912 KB Output is correct
20 Correct 6 ms 1912 KB Output is correct
21 Correct 6 ms 1912 KB Output is correct
22 Correct 7 ms 1912 KB Output is correct
23 Correct 6 ms 1912 KB Output is correct
24 Correct 6 ms 1916 KB Output is correct
25 Correct 6 ms 1912 KB Output is correct
26 Correct 6 ms 1912 KB Output is correct
27 Correct 7 ms 1916 KB Output is correct
28 Correct 6 ms 1912 KB Output is correct
29 Correct 6 ms 1912 KB Output is correct
30 Correct 6 ms 1912 KB Output is correct
31 Correct 6 ms 1912 KB Output is correct
32 Correct 6 ms 1912 KB Output is correct
33 Correct 6 ms 1912 KB Output is correct
34 Correct 6 ms 1912 KB Output is correct
35 Correct 6 ms 1912 KB Output is correct
36 Correct 6 ms 1912 KB Output is correct
37 Correct 6 ms 1912 KB Output is correct
38 Correct 6 ms 1912 KB Output is correct
39 Correct 6 ms 1916 KB Output is correct
40 Correct 6 ms 1912 KB Output is correct
41 Correct 7 ms 2040 KB Output is correct
42 Correct 7 ms 2040 KB Output is correct
43 Correct 7 ms 2040 KB Output is correct
44 Correct 7 ms 2168 KB Output is correct
45 Correct 7 ms 2040 KB Output is correct
46 Correct 7 ms 2040 KB Output is correct
47 Correct 7 ms 2040 KB Output is correct
48 Correct 7 ms 2040 KB Output is correct
49 Correct 7 ms 2040 KB Output is correct
50 Correct 7 ms 2040 KB Output is correct
51 Correct 7 ms 1912 KB Output is correct
52 Correct 7 ms 2040 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1912 KB Output is correct
2 Correct 6 ms 1912 KB Output is correct
3 Correct 6 ms 1912 KB Output is correct
4 Correct 6 ms 1912 KB Output is correct
5 Correct 6 ms 1912 KB Output is correct
6 Correct 6 ms 1912 KB Output is correct
7 Correct 6 ms 1912 KB Output is correct
8 Correct 6 ms 1784 KB Output is correct
9 Correct 7 ms 1912 KB Output is correct
10 Correct 6 ms 1912 KB Output is correct
11 Correct 6 ms 1912 KB Output is correct
12 Correct 6 ms 1912 KB Output is correct
13 Correct 6 ms 1912 KB Output is correct
14 Correct 6 ms 1912 KB Output is correct
15 Correct 6 ms 1912 KB Output is correct
16 Correct 6 ms 1912 KB Output is correct
17 Correct 6 ms 1912 KB Output is correct
18 Correct 7 ms 1912 KB Output is correct
19 Correct 6 ms 1912 KB Output is correct
20 Correct 6 ms 1912 KB Output is correct
21 Correct 6 ms 1912 KB Output is correct
22 Correct 7 ms 1912 KB Output is correct
23 Correct 6 ms 1912 KB Output is correct
24 Correct 6 ms 1916 KB Output is correct
25 Correct 6 ms 1912 KB Output is correct
26 Correct 6 ms 1912 KB Output is correct
27 Correct 7 ms 1916 KB Output is correct
28 Correct 6 ms 1912 KB Output is correct
29 Correct 6 ms 1912 KB Output is correct
30 Correct 6 ms 1912 KB Output is correct
31 Correct 6 ms 1912 KB Output is correct
32 Correct 6 ms 1912 KB Output is correct
33 Correct 6 ms 1912 KB Output is correct
34 Correct 6 ms 1912 KB Output is correct
35 Correct 6 ms 1912 KB Output is correct
36 Correct 6 ms 1912 KB Output is correct
37 Correct 6 ms 1912 KB Output is correct
38 Correct 6 ms 1912 KB Output is correct
39 Correct 6 ms 1912 KB Output is correct
40 Correct 6 ms 1912 KB Output is correct
41 Correct 6 ms 1912 KB Output is correct
42 Correct 6 ms 1912 KB Output is correct
43 Correct 6 ms 1912 KB Output is correct
44 Correct 6 ms 1912 KB Output is correct
45 Correct 6 ms 1912 KB Output is correct
46 Correct 6 ms 1912 KB Output is correct
47 Correct 6 ms 1912 KB Output is correct
48 Correct 6 ms 1912 KB Output is correct
49 Correct 6 ms 1912 KB Output is correct
50 Correct 6 ms 1912 KB Output is correct
51 Correct 7 ms 1912 KB Output is correct
52 Correct 7 ms 1912 KB Output is correct
53 Correct 6 ms 2040 KB Output is correct
54 Correct 11 ms 3064 KB Output is correct
55 Correct 11 ms 3136 KB Output is correct
56 Correct 57 ms 12900 KB Output is correct
57 Correct 50 ms 13044 KB Output is correct
58 Correct 55 ms 12936 KB Output is correct
59 Correct 48 ms 12908 KB Output is correct
60 Correct 54 ms 14308 KB Output is correct
61 Correct 48 ms 14180 KB Output is correct
62 Correct 50 ms 14184 KB Output is correct
63 Correct 51 ms 14188 KB Output is correct
64 Correct 49 ms 14448 KB Output is correct
65 Correct 56 ms 14204 KB Output is correct
66 Correct 54 ms 14188 KB Output is correct
67 Correct 48 ms 14060 KB Output is correct
68 Correct 51 ms 14316 KB Output is correct
69 Correct 6 ms 1912 KB Output is correct
70 Correct 6 ms 1912 KB Output is correct
71 Correct 50 ms 14316 KB Output is correct
72 Correct 52 ms 14316 KB Output is correct
73 Correct 52 ms 14188 KB Output is correct
74 Correct 6 ms 1912 KB Output is correct
75 Correct 6 ms 1912 KB Output is correct
76 Correct 6 ms 1912 KB Output is correct
77 Correct 7 ms 1912 KB Output is correct
78 Correct 112 ms 17660 KB Output is correct
79 Correct 79 ms 13816 KB Output is correct
80 Correct 100 ms 17528 KB Output is correct
81 Correct 52 ms 13488 KB Output is correct
82 Correct 97 ms 17528 KB Output is correct
83 Correct 107 ms 14840 KB Output is correct
84 Correct 6 ms 1912 KB Output is correct
85 Correct 6 ms 1912 KB Output is correct
86 Correct 6 ms 1916 KB Output is correct
87 Correct 6 ms 1912 KB Output is correct
88 Correct 7 ms 2040 KB Output is correct
89 Correct 7 ms 2040 KB Output is correct
90 Correct 7 ms 2040 KB Output is correct
91 Correct 7 ms 2168 KB Output is correct
92 Correct 7 ms 2040 KB Output is correct
93 Correct 7 ms 2040 KB Output is correct
94 Correct 7 ms 2040 KB Output is correct
95 Correct 7 ms 2040 KB Output is correct
96 Correct 7 ms 2040 KB Output is correct
97 Correct 7 ms 2040 KB Output is correct
98 Correct 7 ms 1912 KB Output is correct
99 Correct 7 ms 2040 KB Output is correct
100 Correct 7 ms 2040 KB Output is correct
101 Correct 13 ms 3500 KB Output is correct
102 Correct 13 ms 3192 KB Output is correct
103 Correct 149 ms 18808 KB Output is correct
104 Correct 121 ms 18808 KB Output is correct
105 Correct 120 ms 16376 KB Output is correct
106 Correct 105 ms 18952 KB Output is correct
107 Correct 96 ms 15224 KB Output is correct
108 Correct 101 ms 15480 KB Output is correct
109 Correct 65 ms 15212 KB Output is correct
110 Correct 49 ms 14188 KB Output is correct
111 Correct 102 ms 18040 KB Output is correct
112 Correct 128 ms 17484 KB Output is correct
113 Correct 91 ms 15200 KB Output is correct
114 Correct 100 ms 18808 KB Output is correct
115 Correct 108 ms 18856 KB Output is correct