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Submission #936861

# Submission time Handle Problem Language Result Execution time Memory
936861 2024-03-02T22:16:55 Z 4QT0R Arranging Shoes (IOI19_shoes) C++17
100 / 100
 137 ms 142448 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long

queue<int> pos[200004];
const int base=1<<18;
ll tree[2*base];

void zmien(int v){
	v+=base;
	tree[v]^=1;
	v>>=1;
	while(v){
		tree[v]=tree[2*v]+tree[2*v+1];
		v>>=1;
	}
}

ll sprawdz(int l, int p){
	l+=base-1;
	p+=base+1;
	ll ans=0;
	while(l/2!=p/2){
		if (!(l&1))ans+=tree[l+1];
		if (p&1)ans+=tree[p-1];
		l>>=1;
		p>>=1;
	}
	return ans;
}

ll count_swaps(vector<int> S){
	ll n=S.size(),open=0,odp=0;
	for (int i = 0; i<n; i++){
		if (S[i]>0){
			if (pos[S[i]+100000].empty()){
				pos[S[i]].push(i);
				zmien(i);
			}
			else{
				odp+=i-pos[S[i]+100000].front()-1;
				odp-=sprawdz(pos[S[i]+100000].front()+1,i);
				zmien(pos[S[i]+100000].front());
				pos[S[i]+100000].pop();
			}
		}
		else{
			if (pos[-S[i]].empty()){
				pos[100000-S[i]].push(i);
				zmien(i);
			}
			else{
				odp+=i-pos[-S[i]].front();
				odp-=sprawdz(pos[-S[i]].front()+1,i);
				zmien(pos[-S[i]].front());
				pos[-S[i]].pop();
			}
		}
	}
	return odp;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:33:16: warning: unused variable 'open' [-Wunused-variable]
   33 |  ll n=S.size(),open=0,odp=0;
      |                ^~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 138836 KB Output is correct
2 Correct 65 ms 138840 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 138836 KB Output is correct
2 Correct 65 ms 138840 KB Output is correct
3 Correct 65 ms 138836 KB Output is correct
4 Correct 78 ms 138832 KB Output is correct
5 Correct 67 ms 138832 KB Output is correct
6 Correct 63 ms 138920 KB Output is correct
7 Correct 68 ms 138832 KB Output is correct
8 Correct 64 ms 138980 KB Output is correct
9 Correct 65 ms 138840 KB Output is correct
10 Correct 65 ms 138832 KB Output is correct
11 Correct 78 ms 138840 KB Output is correct
12 Correct 68 ms 138848 KB Output is correct
13 Correct 67 ms 138832 KB Output is correct
14 Correct 71 ms 139060 KB Output is correct
15 Correct 65 ms 138852 KB Output is correct
16 Correct 63 ms 138836 KB Output is correct
17 Correct 67 ms 138840 KB Output is correct
18 Correct 66 ms 139088 KB Output is correct
19 Correct 67 ms 138996 KB Output is correct
20 Correct 66 ms 138800 KB Output is correct
21 Correct 63 ms 138904 KB Output is correct
22 Correct 67 ms 138864 KB Output is correct
23 Correct 65 ms 138832 KB Output is correct
24 Correct 65 ms 138796 KB Output is correct
25 Correct 64 ms 138808 KB Output is correct
26 Correct 63 ms 138832 KB Output is correct
27 Correct 67 ms 138976 KB Output is correct
28 Correct 65 ms 138836 KB Output is correct
29 Correct 65 ms 138828 KB Output is correct
30 Correct 70 ms 138836 KB Output is correct
31 Correct 64 ms 138792 KB Output is correct
32 Correct 66 ms 138856 KB Output is correct
33 Correct 63 ms 138836 KB Output is correct
34 Correct 65 ms 138980 KB Output is correct
35 Correct 63 ms 138988 KB Output is correct
36 Correct 62 ms 138832 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 138836 KB Output is correct
2 Correct 65 ms 138840 KB Output is correct
3 Correct 65 ms 138832 KB Output is correct
4 Correct 64 ms 138832 KB Output is correct
5 Correct 63 ms 138832 KB Output is correct
6 Correct 66 ms 138836 KB Output is correct
7 Correct 82 ms 139012 KB Output is correct
8 Correct 63 ms 138832 KB Output is correct
9 Correct 64 ms 138832 KB Output is correct
10 Correct 64 ms 138836 KB Output is correct
11 Correct 64 ms 138836 KB Output is correct
12 Correct 64 ms 138836 KB Output is correct
13 Correct 65 ms 138876 KB Output is correct
14 Correct 65 ms 138836 KB Output is correct
15 Correct 65 ms 138836 KB Output is correct
16 Correct 66 ms 139012 KB Output is correct
17 Correct 63 ms 138828 KB Output is correct
18 Correct 63 ms 138836 KB Output is correct
19 Correct 68 ms 138868 KB Output is correct
20 Correct 70 ms 139092 KB Output is correct
21 Correct 66 ms 139148 KB Output is correct
22 Correct 92 ms 141968 KB Output is correct
23 Correct 86 ms 141904 KB Output is correct
24 Correct 113 ms 141908 KB Output is correct
25 Correct 97 ms 142160 KB Output is correct
26 Correct 91 ms 141776 KB Output is correct
27 Correct 86 ms 141652 KB Output is correct
28 Correct 97 ms 142188 KB Output is correct
29 Correct 99 ms 142164 KB Output is correct
30 Correct 96 ms 142364 KB Output is correct
31 Correct 93 ms 141904 KB Output is correct
32 Correct 112 ms 142244 KB Output is correct
33 Correct 97 ms 142160 KB Output is correct
34 Correct 100 ms 142116 KB Output is correct
35 Correct 65 ms 139200 KB Output is correct
36 Correct 78 ms 138864 KB Output is correct
37 Correct 97 ms 142448 KB Output is correct
38 Correct 93 ms 142228 KB Output is correct
39 Correct 92 ms 142320 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 138832 KB Output is correct
2 Correct 66 ms 138832 KB Output is correct
3 Correct 62 ms 138836 KB Output is correct
4 Correct 64 ms 138792 KB Output is correct
5 Correct 126 ms 141904 KB Output is correct
6 Correct 106 ms 141908 KB Output is correct
7 Correct 121 ms 141904 KB Output is correct
8 Correct 95 ms 142224 KB Output is correct
9 Correct 123 ms 141892 KB Output is correct
10 Correct 114 ms 141896 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 138836 KB Output is correct
2 Correct 65 ms 138840 KB Output is correct
3 Correct 65 ms 138836 KB Output is correct
4 Correct 78 ms 138832 KB Output is correct
5 Correct 67 ms 138832 KB Output is correct
6 Correct 63 ms 138920 KB Output is correct
7 Correct 68 ms 138832 KB Output is correct
8 Correct 64 ms 138980 KB Output is correct
9 Correct 65 ms 138840 KB Output is correct
10 Correct 65 ms 138832 KB Output is correct
11 Correct 78 ms 138840 KB Output is correct
12 Correct 68 ms 138848 KB Output is correct
13 Correct 67 ms 138832 KB Output is correct
14 Correct 71 ms 139060 KB Output is correct
15 Correct 65 ms 138852 KB Output is correct
16 Correct 63 ms 138836 KB Output is correct
17 Correct 67 ms 138840 KB Output is correct
18 Correct 66 ms 139088 KB Output is correct
19 Correct 67 ms 138996 KB Output is correct
20 Correct 66 ms 138800 KB Output is correct
21 Correct 63 ms 138904 KB Output is correct
22 Correct 67 ms 138864 KB Output is correct
23 Correct 65 ms 138832 KB Output is correct
24 Correct 65 ms 138796 KB Output is correct
25 Correct 64 ms 138808 KB Output is correct
26 Correct 63 ms 138832 KB Output is correct
27 Correct 67 ms 138976 KB Output is correct
28 Correct 65 ms 138836 KB Output is correct
29 Correct 65 ms 138828 KB Output is correct
30 Correct 70 ms 138836 KB Output is correct
31 Correct 64 ms 138792 KB Output is correct
32 Correct 66 ms 138856 KB Output is correct
33 Correct 63 ms 138836 KB Output is correct
34 Correct 65 ms 138980 KB Output is correct
35 Correct 63 ms 138988 KB Output is correct
36 Correct 62 ms 138832 KB Output is correct
37 Correct 69 ms 138908 KB Output is correct
38 Correct 69 ms 138836 KB Output is correct
39 Correct 63 ms 138836 KB Output is correct
40 Correct 66 ms 138844 KB Output is correct
41 Correct 64 ms 138836 KB Output is correct
42 Correct 66 ms 138832 KB Output is correct
43 Correct 65 ms 138788 KB Output is correct
44 Correct 65 ms 139128 KB Output is correct
45 Correct 65 ms 138836 KB Output is correct
46 Correct 65 ms 138944 KB Output is correct
47 Correct 63 ms 138872 KB Output is correct
48 Correct 64 ms 138840 KB Output is correct
49 Correct 64 ms 138836 KB Output is correct
50 Correct 66 ms 138832 KB Output is correct
51 Correct 79 ms 138832 KB Output is correct
52 Correct 65 ms 138836 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 138836 KB Output is correct
2 Correct 65 ms 138840 KB Output is correct
3 Correct 65 ms 138836 KB Output is correct
4 Correct 78 ms 138832 KB Output is correct
5 Correct 67 ms 138832 KB Output is correct
6 Correct 63 ms 138920 KB Output is correct
7 Correct 68 ms 138832 KB Output is correct
8 Correct 64 ms 138980 KB Output is correct
9 Correct 65 ms 138840 KB Output is correct
10 Correct 65 ms 138832 KB Output is correct
11 Correct 78 ms 138840 KB Output is correct
12 Correct 68 ms 138848 KB Output is correct
13 Correct 67 ms 138832 KB Output is correct
14 Correct 71 ms 139060 KB Output is correct
15 Correct 65 ms 138852 KB Output is correct
16 Correct 63 ms 138836 KB Output is correct
17 Correct 67 ms 138840 KB Output is correct
18 Correct 66 ms 139088 KB Output is correct
19 Correct 67 ms 138996 KB Output is correct
20 Correct 66 ms 138800 KB Output is correct
21 Correct 63 ms 138904 KB Output is correct
22 Correct 67 ms 138864 KB Output is correct
23 Correct 65 ms 138832 KB Output is correct
24 Correct 65 ms 138796 KB Output is correct
25 Correct 64 ms 138808 KB Output is correct
26 Correct 63 ms 138832 KB Output is correct
27 Correct 67 ms 138976 KB Output is correct
28 Correct 65 ms 138836 KB Output is correct
29 Correct 65 ms 138828 KB Output is correct
30 Correct 70 ms 138836 KB Output is correct
31 Correct 64 ms 138792 KB Output is correct
32 Correct 66 ms 138856 KB Output is correct
33 Correct 63 ms 138836 KB Output is correct
34 Correct 65 ms 138980 KB Output is correct
35 Correct 63 ms 138988 KB Output is correct
36 Correct 62 ms 138832 KB Output is correct
37 Correct 65 ms 138832 KB Output is correct
38 Correct 64 ms 138832 KB Output is correct
39 Correct 63 ms 138832 KB Output is correct
40 Correct 66 ms 138836 KB Output is correct
41 Correct 82 ms 139012 KB Output is correct
42 Correct 63 ms 138832 KB Output is correct
43 Correct 64 ms 138832 KB Output is correct
44 Correct 64 ms 138836 KB Output is correct
45 Correct 64 ms 138836 KB Output is correct
46 Correct 64 ms 138836 KB Output is correct
47 Correct 65 ms 138876 KB Output is correct
48 Correct 65 ms 138836 KB Output is correct
49 Correct 65 ms 138836 KB Output is correct
50 Correct 66 ms 139012 KB Output is correct
51 Correct 63 ms 138828 KB Output is correct
52 Correct 63 ms 138836 KB Output is correct
53 Correct 68 ms 138868 KB Output is correct
54 Correct 70 ms 139092 KB Output is correct
55 Correct 66 ms 139148 KB Output is correct
56 Correct 92 ms 141968 KB Output is correct
57 Correct 86 ms 141904 KB Output is correct
58 Correct 113 ms 141908 KB Output is correct
59 Correct 97 ms 142160 KB Output is correct
60 Correct 91 ms 141776 KB Output is correct
61 Correct 86 ms 141652 KB Output is correct
62 Correct 97 ms 142188 KB Output is correct
63 Correct 99 ms 142164 KB Output is correct
64 Correct 96 ms 142364 KB Output is correct
65 Correct 93 ms 141904 KB Output is correct
66 Correct 112 ms 142244 KB Output is correct
67 Correct 97 ms 142160 KB Output is correct
68 Correct 100 ms 142116 KB Output is correct
69 Correct 65 ms 139200 KB Output is correct
70 Correct 78 ms 138864 KB Output is correct
71 Correct 97 ms 142448 KB Output is correct
72 Correct 93 ms 142228 KB Output is correct
73 Correct 92 ms 142320 KB Output is correct
74 Correct 65 ms 138832 KB Output is correct
75 Correct 66 ms 138832 KB Output is correct
76 Correct 62 ms 138836 KB Output is correct
77 Correct 64 ms 138792 KB Output is correct
78 Correct 126 ms 141904 KB Output is correct
79 Correct 106 ms 141908 KB Output is correct
80 Correct 121 ms 141904 KB Output is correct
81 Correct 95 ms 142224 KB Output is correct
82 Correct 123 ms 141892 KB Output is correct
83 Correct 114 ms 141896 KB Output is correct
84 Correct 69 ms 138908 KB Output is correct
85 Correct 69 ms 138836 KB Output is correct
86 Correct 63 ms 138836 KB Output is correct
87 Correct 66 ms 138844 KB Output is correct
88 Correct 64 ms 138836 KB Output is correct
89 Correct 66 ms 138832 KB Output is correct
90 Correct 65 ms 138788 KB Output is correct
91 Correct 65 ms 139128 KB Output is correct
92 Correct 65 ms 138836 KB Output is correct
93 Correct 65 ms 138944 KB Output is correct
94 Correct 63 ms 138872 KB Output is correct
95 Correct 64 ms 138840 KB Output is correct
96 Correct 64 ms 138836 KB Output is correct
97 Correct 66 ms 138832 KB Output is correct
98 Correct 79 ms 138832 KB Output is correct
99 Correct 65 ms 138836 KB Output is correct
100 Correct 67 ms 138836 KB Output is correct
101 Correct 70 ms 139084 KB Output is correct
102 Correct 69 ms 139064 KB Output is correct
103 Correct 137 ms 141932 KB Output is correct
104 Correct 108 ms 141804 KB Output is correct
105 Correct 116 ms 141908 KB Output is correct
106 Correct 119 ms 141908 KB Output is correct
107 Correct 103 ms 141920 KB Output is correct
108 Correct 97 ms 141908 KB Output is correct
109 Correct 99 ms 142180 KB Output is correct
110 Correct 96 ms 142320 KB Output is correct
111 Correct 123 ms 141684 KB Output is correct
112 Correct 135 ms 141956 KB Output is correct
113 Correct 112 ms 141856 KB Output is correct
114 Correct 123 ms 141728 KB Output is correct
115 Correct 119 ms 141904 KB Output is correct