oj.uz

Submission #704490

# Submission time Handle Problem Language Result Execution time Memory
704490 2023-03-02T07:53:52 Z firewater Arranging Shoes (IOI19_shoes) C++14
100 / 100
 145 ms 144112 KB 
#include<queue>
#include<cstdio>
#include<cstring>
#include<iostream>
#include<algorithm>
#define ll long long
#define N 202300
#include "shoes.h"
 
using namespace std;
 
ll n,x,y,ans,c[N],p[N];
queue<ll>d[N];
void add(ll x,ll y)
{
	x++;
	for(;x<=n*2;x+=x&-x)
		c[x]+=y;
	return;
}
ll ask(ll x)
{
	x++;
	ll sum=0;
	for(;x;x-=x&-x)
		sum+=c[x];
	return sum;
}
long long count_swaps(std::vector<int> s) {
	n=s.size()/2;
	ans=0;
	for(ll i=2*n-1;i>=0;--i){
		add(i,1);
		x=s[i];
		d[x+n].push(i);
	}
	for(ll i=2*n-1;i>=0;--i){
		if(p[i])continue;
		x=s[i];
		y=-s[i];
		if(x<0)ans++;
		ll j=d[y+n].front();
		d[x+n].pop();
		d[y+n].pop();
		
		ans+=ask(i-1)-ask(j);
		add(i,-1);
		add(j,-1);
		p[i]=1;
		p[j]=1;
	}
	return ans;
}
//int main()
//{
//	vector<int>aaa;
//	aaa.push_back(2);
//	aaa.push_back(1);
//	aaa.push_back(-1);
//	aaa.push_back(-2);
//	printf("%lld\n",count_swaps(aaa));
//	return 0;
//}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 136420 KB Output is correct
2 Correct 84 ms 136544 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 136420 KB Output is correct
2 Correct 84 ms 136544 KB Output is correct
3 Correct 80 ms 136376 KB Output is correct
4 Correct 81 ms 136396 KB Output is correct
5 Correct 80 ms 136428 KB Output is correct
6 Correct 78 ms 136392 KB Output is correct
7 Correct 79 ms 136436 KB Output is correct
8 Correct 79 ms 136408 KB Output is correct
9 Correct 85 ms 136476 KB Output is correct
10 Correct 78 ms 136480 KB Output is correct
11 Correct 77 ms 136368 KB Output is correct
12 Correct 82 ms 136480 KB Output is correct
13 Correct 79 ms 136424 KB Output is correct
14 Correct 79 ms 136472 KB Output is correct
15 Correct 82 ms 136456 KB Output is correct
16 Correct 79 ms 136460 KB Output is correct
17 Correct 82 ms 136492 KB Output is correct
18 Correct 78 ms 136384 KB Output is correct
19 Correct 79 ms 136472 KB Output is correct
20 Correct 77 ms 136456 KB Output is correct
21 Correct 79 ms 136404 KB Output is correct
22 Correct 79 ms 136392 KB Output is correct
23 Correct 81 ms 136520 KB Output is correct
24 Correct 84 ms 136440 KB Output is correct
25 Correct 79 ms 136404 KB Output is correct
26 Correct 81 ms 136396 KB Output is correct
27 Correct 79 ms 136396 KB Output is correct
28 Correct 80 ms 136456 KB Output is correct
29 Correct 77 ms 136396 KB Output is correct
30 Correct 79 ms 136372 KB Output is correct
31 Correct 79 ms 136484 KB Output is correct
32 Correct 78 ms 136372 KB Output is correct
33 Correct 80 ms 136524 KB Output is correct
34 Correct 78 ms 136412 KB Output is correct
35 Correct 79 ms 136396 KB Output is correct
36 Correct 78 ms 136432 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 136420 KB Output is correct
2 Correct 84 ms 136544 KB Output is correct
3 Correct 78 ms 136488 KB Output is correct
4 Correct 78 ms 136436 KB Output is correct
5 Correct 78 ms 136476 KB Output is correct
6 Correct 81 ms 136376 KB Output is correct
7 Correct 94 ms 136472 KB Output is correct
8 Correct 76 ms 136372 KB Output is correct
9 Correct 76 ms 136396 KB Output is correct
10 Correct 76 ms 136480 KB Output is correct
11 Correct 78 ms 136388 KB Output is correct
12 Correct 79 ms 136428 KB Output is correct
13 Correct 79 ms 136384 KB Output is correct
14 Correct 78 ms 136388 KB Output is correct
15 Correct 80 ms 136468 KB Output is correct
16 Correct 80 ms 136456 KB Output is correct
17 Correct 83 ms 136396 KB Output is correct
18 Correct 95 ms 136440 KB Output is correct
19 Correct 91 ms 136432 KB Output is correct
20 Correct 87 ms 137192 KB Output is correct
21 Correct 91 ms 137220 KB Output is correct
22 Correct 110 ms 144040 KB Output is correct
23 Correct 110 ms 144076 KB Output is correct
24 Correct 108 ms 144044 KB Output is correct
25 Correct 108 ms 143828 KB Output is correct
26 Correct 117 ms 144028 KB Output is correct
27 Correct 114 ms 143912 KB Output is correct
28 Correct 116 ms 144076 KB Output is correct
29 Correct 110 ms 144112 KB Output is correct
30 Correct 118 ms 144036 KB Output is correct
31 Correct 109 ms 144036 KB Output is correct
32 Correct 118 ms 144076 KB Output is correct
33 Correct 110 ms 143848 KB Output is correct
34 Correct 110 ms 144068 KB Output is correct
35 Correct 81 ms 136396 KB Output is correct
36 Correct 81 ms 136396 KB Output is correct
37 Correct 118 ms 144044 KB Output is correct
38 Correct 115 ms 144044 KB Output is correct
39 Correct 111 ms 144096 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 79 ms 136452 KB Output is correct
2 Correct 81 ms 136412 KB Output is correct
3 Correct 78 ms 136480 KB Output is correct
4 Correct 79 ms 136516 KB Output is correct
5 Correct 140 ms 142496 KB Output is correct
6 Correct 125 ms 142372 KB Output is correct
7 Correct 139 ms 142412 KB Output is correct
8 Correct 112 ms 144084 KB Output is correct
9 Correct 144 ms 142364 KB Output is correct
10 Correct 134 ms 142404 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 136420 KB Output is correct
2 Correct 84 ms 136544 KB Output is correct
3 Correct 80 ms 136376 KB Output is correct
4 Correct 81 ms 136396 KB Output is correct
5 Correct 80 ms 136428 KB Output is correct
6 Correct 78 ms 136392 KB Output is correct
7 Correct 79 ms 136436 KB Output is correct
8 Correct 79 ms 136408 KB Output is correct
9 Correct 85 ms 136476 KB Output is correct
10 Correct 78 ms 136480 KB Output is correct
11 Correct 77 ms 136368 KB Output is correct
12 Correct 82 ms 136480 KB Output is correct
13 Correct 79 ms 136424 KB Output is correct
14 Correct 79 ms 136472 KB Output is correct
15 Correct 82 ms 136456 KB Output is correct
16 Correct 79 ms 136460 KB Output is correct
17 Correct 82 ms 136492 KB Output is correct
18 Correct 78 ms 136384 KB Output is correct
19 Correct 79 ms 136472 KB Output is correct
20 Correct 77 ms 136456 KB Output is correct
21 Correct 79 ms 136404 KB Output is correct
22 Correct 79 ms 136392 KB Output is correct
23 Correct 81 ms 136520 KB Output is correct
24 Correct 84 ms 136440 KB Output is correct
25 Correct 79 ms 136404 KB Output is correct
26 Correct 81 ms 136396 KB Output is correct
27 Correct 79 ms 136396 KB Output is correct
28 Correct 80 ms 136456 KB Output is correct
29 Correct 77 ms 136396 KB Output is correct
30 Correct 79 ms 136372 KB Output is correct
31 Correct 79 ms 136484 KB Output is correct
32 Correct 78 ms 136372 KB Output is correct
33 Correct 80 ms 136524 KB Output is correct
34 Correct 78 ms 136412 KB Output is correct
35 Correct 79 ms 136396 KB Output is correct
36 Correct 78 ms 136432 KB Output is correct
37 Correct 79 ms 136396 KB Output is correct
38 Correct 81 ms 136496 KB Output is correct
39 Correct 79 ms 136396 KB Output is correct
40 Correct 78 ms 136476 KB Output is correct
41 Correct 79 ms 136540 KB Output is correct
42 Correct 80 ms 136468 KB Output is correct
43 Correct 79 ms 136480 KB Output is correct
44 Correct 76 ms 136456 KB Output is correct
45 Correct 81 ms 136532 KB Output is correct
46 Correct 76 ms 136524 KB Output is correct
47 Correct 78 ms 136476 KB Output is correct
48 Correct 77 ms 136468 KB Output is correct
49 Correct 78 ms 136524 KB Output is correct
50 Correct 88 ms 136444 KB Output is correct
51 Correct 85 ms 136560 KB Output is correct
52 Correct 80 ms 136472 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 136420 KB Output is correct
2 Correct 84 ms 136544 KB Output is correct
3 Correct 80 ms 136376 KB Output is correct
4 Correct 81 ms 136396 KB Output is correct
5 Correct 80 ms 136428 KB Output is correct
6 Correct 78 ms 136392 KB Output is correct
7 Correct 79 ms 136436 KB Output is correct
8 Correct 79 ms 136408 KB Output is correct
9 Correct 85 ms 136476 KB Output is correct
10 Correct 78 ms 136480 KB Output is correct
11 Correct 77 ms 136368 KB Output is correct
12 Correct 82 ms 136480 KB Output is correct
13 Correct 79 ms 136424 KB Output is correct
14 Correct 79 ms 136472 KB Output is correct
15 Correct 82 ms 136456 KB Output is correct
16 Correct 79 ms 136460 KB Output is correct
17 Correct 82 ms 136492 KB Output is correct
18 Correct 78 ms 136384 KB Output is correct
19 Correct 79 ms 136472 KB Output is correct
20 Correct 77 ms 136456 KB Output is correct
21 Correct 79 ms 136404 KB Output is correct
22 Correct 79 ms 136392 KB Output is correct
23 Correct 81 ms 136520 KB Output is correct
24 Correct 84 ms 136440 KB Output is correct
25 Correct 79 ms 136404 KB Output is correct
26 Correct 81 ms 136396 KB Output is correct
27 Correct 79 ms 136396 KB Output is correct
28 Correct 80 ms 136456 KB Output is correct
29 Correct 77 ms 136396 KB Output is correct
30 Correct 79 ms 136372 KB Output is correct
31 Correct 79 ms 136484 KB Output is correct
32 Correct 78 ms 136372 KB Output is correct
33 Correct 80 ms 136524 KB Output is correct
34 Correct 78 ms 136412 KB Output is correct
35 Correct 79 ms 136396 KB Output is correct
36 Correct 78 ms 136432 KB Output is correct
37 Correct 78 ms 136488 KB Output is correct
38 Correct 78 ms 136436 KB Output is correct
39 Correct 78 ms 136476 KB Output is correct
40 Correct 81 ms 136376 KB Output is correct
41 Correct 94 ms 136472 KB Output is correct
42 Correct 76 ms 136372 KB Output is correct
43 Correct 76 ms 136396 KB Output is correct
44 Correct 76 ms 136480 KB Output is correct
45 Correct 78 ms 136388 KB Output is correct
46 Correct 79 ms 136428 KB Output is correct
47 Correct 79 ms 136384 KB Output is correct
48 Correct 78 ms 136388 KB Output is correct
49 Correct 80 ms 136468 KB Output is correct
50 Correct 80 ms 136456 KB Output is correct
51 Correct 83 ms 136396 KB Output is correct
52 Correct 95 ms 136440 KB Output is correct
53 Correct 91 ms 136432 KB Output is correct
54 Correct 87 ms 137192 KB Output is correct
55 Correct 91 ms 137220 KB Output is correct
56 Correct 110 ms 144040 KB Output is correct
57 Correct 110 ms 144076 KB Output is correct
58 Correct 108 ms 144044 KB Output is correct
59 Correct 108 ms 143828 KB Output is correct
60 Correct 117 ms 144028 KB Output is correct
61 Correct 114 ms 143912 KB Output is correct
62 Correct 116 ms 144076 KB Output is correct
63 Correct 110 ms 144112 KB Output is correct
64 Correct 118 ms 144036 KB Output is correct
65 Correct 109 ms 144036 KB Output is correct
66 Correct 118 ms 144076 KB Output is correct
67 Correct 110 ms 143848 KB Output is correct
68 Correct 110 ms 144068 KB Output is correct
69 Correct 81 ms 136396 KB Output is correct
70 Correct 81 ms 136396 KB Output is correct
71 Correct 118 ms 144044 KB Output is correct
72 Correct 115 ms 144044 KB Output is correct
73 Correct 111 ms 144096 KB Output is correct
74 Correct 79 ms 136452 KB Output is correct
75 Correct 81 ms 136412 KB Output is correct
76 Correct 78 ms 136480 KB Output is correct
77 Correct 79 ms 136516 KB Output is correct
78 Correct 140 ms 142496 KB Output is correct
79 Correct 125 ms 142372 KB Output is correct
80 Correct 139 ms 142412 KB Output is correct
81 Correct 112 ms 144084 KB Output is correct
82 Correct 144 ms 142364 KB Output is correct
83 Correct 134 ms 142404 KB Output is correct
84 Correct 79 ms 136396 KB Output is correct
85 Correct 81 ms 136496 KB Output is correct
86 Correct 79 ms 136396 KB Output is correct
87 Correct 78 ms 136476 KB Output is correct
88 Correct 79 ms 136540 KB Output is correct
89 Correct 80 ms 136468 KB Output is correct
90 Correct 79 ms 136480 KB Output is correct
91 Correct 76 ms 136456 KB Output is correct
92 Correct 81 ms 136532 KB Output is correct
93 Correct 76 ms 136524 KB Output is correct
94 Correct 78 ms 136476 KB Output is correct
95 Correct 77 ms 136468 KB Output is correct
96 Correct 78 ms 136524 KB Output is correct
97 Correct 88 ms 136444 KB Output is correct
98 Correct 85 ms 136560 KB Output is correct
99 Correct 80 ms 136472 KB Output is correct
100 Correct 79 ms 136492 KB Output is correct
101 Correct 83 ms 137044 KB Output is correct
102 Correct 85 ms 137004 KB Output is correct
103 Correct 144 ms 142400 KB Output is correct
104 Correct 145 ms 142440 KB Output is correct
105 Correct 141 ms 142412 KB Output is correct
106 Correct 140 ms 142352 KB Output is correct
107 Correct 130 ms 142400 KB Output is correct
108 Correct 125 ms 142376 KB Output is correct
109 Correct 116 ms 144076 KB Output is correct
110 Correct 111 ms 144032 KB Output is correct
111 Correct 133 ms 142444 KB Output is correct
112 Correct 141 ms 142360 KB Output is correct
113 Correct 132 ms 142412 KB Output is correct
114 Correct 141 ms 142372 KB Output is correct
115 Correct 136 ms 142412 KB Output is correct