oj.uz

Submission #967383

# Submission time Handle Problem Language Result Execution time Memory
967383 2024-04-22T03:52:51 Z vjudge1 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 418 ms 17240 KB 
#include<bits/stdc++.h>
#include "shoes.h"
using namespace std;

typedef long long ll;
int nm[200100];
bool taken[200100];
int pir[200100];
vector<int> l[200100],r[200100];
int tre[200100];

int lowbit(int i){
	return i&(-i);
}

int ct(int p){
	int tp=0;
	for (int i=p;i;i-=lowbit(i)){
		tp+=tre[i];
	}
	return tp;
}

void ad(int p){
	for (int i=p;i<=200100;i+=lowbit(i)){
		tre[i]++;
	}
}

long long count_swaps(vector<int> s) {
	ll ans=0;
	memset(taken,false,sizeof taken);
	int n=s.size()/2;
	for (int i=1;i<=n*2;i++){
		nm[i]=s[i-1];
		int tp=nm[i];
		if (tp<0) tp*=-1;
		if (nm[i]<0){
			if (r[tp].size()>0){
				pir[i]=r[tp][0];
				pir[r[tp][0]]=i;
				r[tp].erase(r[tp].begin());
				continue;
			}
			l[tp].push_back(i);
		}else{
			if (l[tp].size()>0){
				pir[i]=l[tp][0];
				pir[l[tp][0]]=i;
				l[tp].erase(l[tp].begin());
				continue;
			}
			r[tp].push_back(i);
		}
	}
	for (int i=1;i<=n*2;i++){
		if (taken[i]) continue;
		int tp,tpa=0;
		if (nm[i]>0){
			tpa+=1;
		}
		tp=pir[i];
		tpa+=tp-i-1;
		tpa-=ct(tp-1)-ct(i);
		taken[tp]=true;
		ad(tp);
		ans+=tpa;
		//printf("%d %d\n",tp,tpa);
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 10840 KB Output is correct
2 Correct 2 ms 10840 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 10840 KB Output is correct
2 Correct 2 ms 10840 KB Output is correct
3 Correct 2 ms 10840 KB Output is correct
4 Correct 2 ms 10680 KB Output is correct
5 Correct 2 ms 10844 KB Output is correct
6 Correct 2 ms 10844 KB Output is correct
7 Correct 2 ms 10844 KB Output is correct
8 Correct 2 ms 10844 KB Output is correct
9 Correct 2 ms 10844 KB Output is correct
10 Correct 2 ms 10844 KB Output is correct
11 Correct 2 ms 10844 KB Output is correct
12 Correct 2 ms 10844 KB Output is correct
13 Correct 2 ms 10844 KB Output is correct
14 Correct 2 ms 10844 KB Output is correct
15 Correct 2 ms 10844 KB Output is correct
16 Correct 2 ms 10840 KB Output is correct
17 Correct 2 ms 10844 KB Output is correct
18 Correct 2 ms 10844 KB Output is correct
19 Correct 2 ms 10844 KB Output is correct
20 Correct 3 ms 10844 KB Output is correct
21 Correct 2 ms 10844 KB Output is correct
22 Correct 2 ms 10684 KB Output is correct
23 Correct 2 ms 10844 KB Output is correct
24 Correct 2 ms 10840 KB Output is correct
25 Correct 2 ms 10844 KB Output is correct
26 Correct 3 ms 10844 KB Output is correct
27 Correct 2 ms 10840 KB Output is correct
28 Correct 2 ms 10844 KB Output is correct
29 Correct 2 ms 10844 KB Output is correct
30 Correct 3 ms 10844 KB Output is correct
31 Correct 2 ms 10840 KB Output is correct
32 Correct 2 ms 10844 KB Output is correct
33 Correct 3 ms 10888 KB Output is correct
34 Correct 2 ms 10844 KB Output is correct
35 Correct 2 ms 10844 KB Output is correct
36 Correct 2 ms 10844 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 10840 KB Output is correct
2 Correct 2 ms 10840 KB Output is correct
3 Correct 2 ms 10844 KB Output is correct
4 Correct 2 ms 10844 KB Output is correct
5 Correct 2 ms 10844 KB Output is correct
6 Correct 4 ms 10844 KB Output is correct
7 Correct 2 ms 10844 KB Output is correct
8 Correct 2 ms 10844 KB Output is correct
9 Correct 3 ms 10844 KB Output is correct
10 Correct 2 ms 10844 KB Output is correct
11 Correct 2 ms 10840 KB Output is correct
12 Correct 3 ms 10840 KB Output is correct
13 Correct 3 ms 10844 KB Output is correct
14 Correct 2 ms 10844 KB Output is correct
15 Correct 2 ms 10680 KB Output is correct
16 Correct 2 ms 10844 KB Output is correct
17 Correct 2 ms 10844 KB Output is correct
18 Correct 3 ms 10844 KB Output is correct
19 Correct 3 ms 10844 KB Output is correct
20 Correct 5 ms 11100 KB Output is correct
21 Correct 4 ms 11100 KB Output is correct
22 Correct 24 ms 13916 KB Output is correct
23 Correct 20 ms 13800 KB Output is correct
24 Correct 24 ms 13916 KB Output is correct
25 Correct 376 ms 14028 KB Output is correct
26 Correct 30 ms 13912 KB Output is correct
27 Correct 19 ms 13916 KB Output is correct
28 Correct 418 ms 14284 KB Output is correct
29 Correct 360 ms 14556 KB Output is correct
30 Correct 357 ms 14120 KB Output is correct
31 Correct 26 ms 13796 KB Output is correct
32 Correct 383 ms 14284 KB Output is correct
33 Correct 362 ms 14024 KB Output is correct
34 Correct 357 ms 14076 KB Output is correct
35 Correct 2 ms 10840 KB Output is correct
36 Correct 2 ms 10844 KB Output is correct
37 Correct 358 ms 14196 KB Output is correct
38 Correct 358 ms 14280 KB Output is correct
39 Correct 367 ms 14028 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10840 KB Output is correct
2 Correct 2 ms 10844 KB Output is correct
3 Correct 2 ms 10844 KB Output is correct
4 Correct 3 ms 10844 KB Output is correct
5 Correct 27 ms 16732 KB Output is correct
6 Correct 25 ms 14428 KB Output is correct
7 Correct 26 ms 16720 KB Output is correct
8 Correct 173 ms 14416 KB Output is correct
9 Correct 37 ms 16720 KB Output is correct
10 Correct 34 ms 15184 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 10840 KB Output is correct
2 Correct 2 ms 10840 KB Output is correct
3 Correct 2 ms 10840 KB Output is correct
4 Correct 2 ms 10680 KB Output is correct
5 Correct 2 ms 10844 KB Output is correct
6 Correct 2 ms 10844 KB Output is correct
7 Correct 2 ms 10844 KB Output is correct
8 Correct 2 ms 10844 KB Output is correct
9 Correct 2 ms 10844 KB Output is correct
10 Correct 2 ms 10844 KB Output is correct
11 Correct 2 ms 10844 KB Output is correct
12 Correct 2 ms 10844 KB Output is correct
13 Correct 2 ms 10844 KB Output is correct
14 Correct 2 ms 10844 KB Output is correct
15 Correct 2 ms 10844 KB Output is correct
16 Correct 2 ms 10840 KB Output is correct
17 Correct 2 ms 10844 KB Output is correct
18 Correct 2 ms 10844 KB Output is correct
19 Correct 2 ms 10844 KB Output is correct
20 Correct 3 ms 10844 KB Output is correct
21 Correct 2 ms 10844 KB Output is correct
22 Correct 2 ms 10684 KB Output is correct
23 Correct 2 ms 10844 KB Output is correct
24 Correct 2 ms 10840 KB Output is correct
25 Correct 2 ms 10844 KB Output is correct
26 Correct 3 ms 10844 KB Output is correct
27 Correct 2 ms 10840 KB Output is correct
28 Correct 2 ms 10844 KB Output is correct
29 Correct 2 ms 10844 KB Output is correct
30 Correct 3 ms 10844 KB Output is correct
31 Correct 2 ms 10840 KB Output is correct
32 Correct 2 ms 10844 KB Output is correct
33 Correct 3 ms 10888 KB Output is correct
34 Correct 2 ms 10844 KB Output is correct
35 Correct 2 ms 10844 KB Output is correct
36 Correct 2 ms 10844 KB Output is correct
37 Correct 2 ms 10844 KB Output is correct
38 Correct 3 ms 10844 KB Output is correct
39 Correct 2 ms 10844 KB Output is correct
40 Correct 2 ms 10844 KB Output is correct
41 Correct 3 ms 10944 KB Output is correct
42 Correct 2 ms 10844 KB Output is correct
43 Correct 3 ms 10844 KB Output is correct
44 Correct 2 ms 10844 KB Output is correct
45 Correct 3 ms 10840 KB Output is correct
46 Correct 3 ms 10844 KB Output is correct
47 Correct 2 ms 10844 KB Output is correct
48 Correct 2 ms 10844 KB Output is correct
49 Correct 2 ms 10844 KB Output is correct
50 Correct 2 ms 10844 KB Output is correct
51 Correct 2 ms 10844 KB Output is correct
52 Correct 3 ms 10840 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 10840 KB Output is correct
2 Correct 2 ms 10840 KB Output is correct
3 Correct 2 ms 10840 KB Output is correct
4 Correct 2 ms 10680 KB Output is correct
5 Correct 2 ms 10844 KB Output is correct
6 Correct 2 ms 10844 KB Output is correct
7 Correct 2 ms 10844 KB Output is correct
8 Correct 2 ms 10844 KB Output is correct
9 Correct 2 ms 10844 KB Output is correct
10 Correct 2 ms 10844 KB Output is correct
11 Correct 2 ms 10844 KB Output is correct
12 Correct 2 ms 10844 KB Output is correct
13 Correct 2 ms 10844 KB Output is correct
14 Correct 2 ms 10844 KB Output is correct
15 Correct 2 ms 10844 KB Output is correct
16 Correct 2 ms 10840 KB Output is correct
17 Correct 2 ms 10844 KB Output is correct
18 Correct 2 ms 10844 KB Output is correct
19 Correct 2 ms 10844 KB Output is correct
20 Correct 3 ms 10844 KB Output is correct
21 Correct 2 ms 10844 KB Output is correct
22 Correct 2 ms 10684 KB Output is correct
23 Correct 2 ms 10844 KB Output is correct
24 Correct 2 ms 10840 KB Output is correct
25 Correct 2 ms 10844 KB Output is correct
26 Correct 3 ms 10844 KB Output is correct
27 Correct 2 ms 10840 KB Output is correct
28 Correct 2 ms 10844 KB Output is correct
29 Correct 2 ms 10844 KB Output is correct
30 Correct 3 ms 10844 KB Output is correct
31 Correct 2 ms 10840 KB Output is correct
32 Correct 2 ms 10844 KB Output is correct
33 Correct 3 ms 10888 KB Output is correct
34 Correct 2 ms 10844 KB Output is correct
35 Correct 2 ms 10844 KB Output is correct
36 Correct 2 ms 10844 KB Output is correct
37 Correct 2 ms 10844 KB Output is correct
38 Correct 2 ms 10844 KB Output is correct
39 Correct 2 ms 10844 KB Output is correct
40 Correct 4 ms 10844 KB Output is correct
41 Correct 2 ms 10844 KB Output is correct
42 Correct 2 ms 10844 KB Output is correct
43 Correct 3 ms 10844 KB Output is correct
44 Correct 2 ms 10844 KB Output is correct
45 Correct 2 ms 10840 KB Output is correct
46 Correct 3 ms 10840 KB Output is correct
47 Correct 3 ms 10844 KB Output is correct
48 Correct 2 ms 10844 KB Output is correct
49 Correct 2 ms 10680 KB Output is correct
50 Correct 2 ms 10844 KB Output is correct
51 Correct 2 ms 10844 KB Output is correct
52 Correct 3 ms 10844 KB Output is correct
53 Correct 3 ms 10844 KB Output is correct
54 Correct 5 ms 11100 KB Output is correct
55 Correct 4 ms 11100 KB Output is correct
56 Correct 24 ms 13916 KB Output is correct
57 Correct 20 ms 13800 KB Output is correct
58 Correct 24 ms 13916 KB Output is correct
59 Correct 376 ms 14028 KB Output is correct
60 Correct 30 ms 13912 KB Output is correct
61 Correct 19 ms 13916 KB Output is correct
62 Correct 418 ms 14284 KB Output is correct
63 Correct 360 ms 14556 KB Output is correct
64 Correct 357 ms 14120 KB Output is correct
65 Correct 26 ms 13796 KB Output is correct
66 Correct 383 ms 14284 KB Output is correct
67 Correct 362 ms 14024 KB Output is correct
68 Correct 357 ms 14076 KB Output is correct
69 Correct 2 ms 10840 KB Output is correct
70 Correct 2 ms 10844 KB Output is correct
71 Correct 358 ms 14196 KB Output is correct
72 Correct 358 ms 14280 KB Output is correct
73 Correct 367 ms 14028 KB Output is correct
74 Correct 2 ms 10840 KB Output is correct
75 Correct 2 ms 10844 KB Output is correct
76 Correct 2 ms 10844 KB Output is correct
77 Correct 3 ms 10844 KB Output is correct
78 Correct 27 ms 16732 KB Output is correct
79 Correct 25 ms 14428 KB Output is correct
80 Correct 26 ms 16720 KB Output is correct
81 Correct 173 ms 14416 KB Output is correct
82 Correct 37 ms 16720 KB Output is correct
83 Correct 34 ms 15184 KB Output is correct
84 Correct 2 ms 10844 KB Output is correct
85 Correct 3 ms 10844 KB Output is correct
86 Correct 2 ms 10844 KB Output is correct
87 Correct 2 ms 10844 KB Output is correct
88 Correct 3 ms 10944 KB Output is correct
89 Correct 2 ms 10844 KB Output is correct
90 Correct 3 ms 10844 KB Output is correct
91 Correct 2 ms 10844 KB Output is correct
92 Correct 3 ms 10840 KB Output is correct
93 Correct 3 ms 10844 KB Output is correct
94 Correct 2 ms 10844 KB Output is correct
95 Correct 2 ms 10844 KB Output is correct
96 Correct 2 ms 10844 KB Output is correct
97 Correct 2 ms 10844 KB Output is correct
98 Correct 2 ms 10844 KB Output is correct
99 Correct 3 ms 10840 KB Output is correct
100 Correct 2 ms 10844 KB Output is correct
101 Correct 5 ms 11356 KB Output is correct
102 Correct 5 ms 11196 KB Output is correct
103 Correct 33 ms 16860 KB Output is correct
104 Correct 27 ms 17240 KB Output is correct
105 Correct 31 ms 16208 KB Output is correct
106 Correct 26 ms 16728 KB Output is correct
107 Correct 24 ms 14168 KB Output is correct
108 Correct 22 ms 14528 KB Output is correct
109 Correct 262 ms 14488 KB Output is correct
110 Correct 370 ms 14172 KB Output is correct
111 Correct 28 ms 16332 KB Output is correct
112 Correct 31 ms 16220 KB Output is correct
113 Correct 26 ms 14428 KB Output is correct
114 Correct 27 ms 16652 KB Output is correct
115 Correct 29 ms 16728 KB Output is correct