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Submission #967382

# Submission time Handle Problem Language Result Execution time Memory
967382 2024-04-22T03:52:11 Z lsi Arranging Shoes (IOI19_shoes) C++14
100 / 100
 384 ms 18268 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 2 ms 10844 KB Output is correct
2 Correct 3 ms 10844 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10844 KB Output is correct
2 Correct 3 ms 10844 KB Output is correct
3 Correct 2 ms 10844 KB Output is correct
4 Correct 3 ms 10928 KB Output is correct
5 Correct 2 ms 10844 KB Output is correct
6 Correct 3 ms 10844 KB Output is correct
7 Correct 2 ms 10704 KB Output is correct
8 Correct 2 ms 10844 KB Output is correct
9 Correct 2 ms 10844 KB Output is correct
10 Correct 3 ms 10844 KB Output is correct
11 Correct 3 ms 10844 KB Output is correct
12 Correct 2 ms 10704 KB Output is correct
13 Correct 2 ms 10840 KB Output is correct
14 Correct 2 ms 10844 KB Output is correct
15 Correct 2 ms 10840 KB Output is correct
16 Correct 2 ms 10684 KB Output is correct
17 Correct 2 ms 10844 KB Output is correct
18 Correct 2 ms 10700 KB Output is correct
19 Correct 2 ms 10844 KB Output is correct
20 Correct 2 ms 10844 KB Output is correct
21 Correct 2 ms 10844 KB Output is correct
22 Correct 2 ms 10844 KB Output is correct
23 Correct 2 ms 10844 KB Output is correct
24 Correct 2 ms 10844 KB Output is correct
25 Correct 2 ms 10844 KB Output is correct
26 Correct 2 ms 10844 KB Output is correct
27 Correct 2 ms 10844 KB Output is correct
28 Correct 2 ms 10844 KB Output is correct
29 Correct 3 ms 10684 KB Output is correct
30 Correct 3 ms 10844 KB Output is correct
31 Correct 3 ms 10844 KB Output is correct
32 Correct 2 ms 10844 KB Output is correct
33 Correct 2 ms 10844 KB Output is correct
34 Correct 3 ms 10936 KB Output is correct
35 Correct 2 ms 10844 KB Output is correct
36 Correct 2 ms 10932 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10844 KB Output is correct
2 Correct 3 ms 10844 KB Output is correct
3 Correct 2 ms 10840 KB Output is correct
4 Correct 2 ms 10844 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 10840 KB Output is correct
8 Correct 2 ms 10840 KB Output is correct
9 Correct 3 ms 10844 KB Output is correct
10 Correct 3 ms 10700 KB Output is correct
11 Correct 3 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 10844 KB Output is correct
17 Correct 2 ms 10844 KB Output is correct
18 Correct 3 ms 10912 KB Output is correct
19 Correct 3 ms 10840 KB Output is correct
20 Correct 4 ms 11100 KB Output is correct
21 Correct 5 ms 11100 KB Output is correct
22 Correct 25 ms 15116 KB Output is correct
23 Correct 20 ms 15196 KB Output is correct
24 Correct 26 ms 15196 KB Output is correct
25 Correct 367 ms 15236 KB Output is correct
26 Correct 30 ms 15188 KB Output is correct
27 Correct 19 ms 14932 KB Output is correct
28 Correct 361 ms 15476 KB Output is correct
29 Correct 360 ms 15620 KB Output is correct
30 Correct 378 ms 15544 KB Output is correct
31 Correct 25 ms 15184 KB Output is correct
32 Correct 371 ms 15680 KB Output is correct
33 Correct 357 ms 15232 KB Output is correct
34 Correct 362 ms 15568 KB Output is correct
35 Correct 2 ms 10844 KB Output is correct
36 Correct 2 ms 10844 KB Output is correct
37 Correct 352 ms 15404 KB Output is correct
38 Correct 384 ms 15424 KB Output is correct
39 Correct 355 ms 15304 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10844 KB Output is correct
2 Correct 2 ms 10700 KB Output is correct
3 Correct 2 ms 10704 KB Output is correct
4 Correct 3 ms 10844 KB Output is correct
5 Correct 28 ms 17912 KB Output is correct
6 Correct 25 ms 15696 KB Output is correct
7 Correct 28 ms 18008 KB Output is correct
8 Correct 169 ms 15372 KB Output is correct
9 Correct 36 ms 18132 KB Output is correct
10 Correct 27 ms 16476 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10844 KB Output is correct
2 Correct 3 ms 10844 KB Output is correct
3 Correct 2 ms 10844 KB Output is correct
4 Correct 3 ms 10928 KB Output is correct
5 Correct 2 ms 10844 KB Output is correct
6 Correct 3 ms 10844 KB Output is correct
7 Correct 2 ms 10704 KB Output is correct
8 Correct 2 ms 10844 KB Output is correct
9 Correct 2 ms 10844 KB Output is correct
10 Correct 3 ms 10844 KB Output is correct
11 Correct 3 ms 10844 KB Output is correct
12 Correct 2 ms 10704 KB Output is correct
13 Correct 2 ms 10840 KB Output is correct
14 Correct 2 ms 10844 KB Output is correct
15 Correct 2 ms 10840 KB Output is correct
16 Correct 2 ms 10684 KB Output is correct
17 Correct 2 ms 10844 KB Output is correct
18 Correct 2 ms 10700 KB Output is correct
19 Correct 2 ms 10844 KB Output is correct
20 Correct 2 ms 10844 KB Output is correct
21 Correct 2 ms 10844 KB Output is correct
22 Correct 2 ms 10844 KB Output is correct
23 Correct 2 ms 10844 KB Output is correct
24 Correct 2 ms 10844 KB Output is correct
25 Correct 2 ms 10844 KB Output is correct
26 Correct 2 ms 10844 KB Output is correct
27 Correct 2 ms 10844 KB Output is correct
28 Correct 2 ms 10844 KB Output is correct
29 Correct 3 ms 10684 KB Output is correct
30 Correct 3 ms 10844 KB Output is correct
31 Correct 3 ms 10844 KB Output is correct
32 Correct 2 ms 10844 KB Output is correct
33 Correct 2 ms 10844 KB Output is correct
34 Correct 3 ms 10936 KB Output is correct
35 Correct 2 ms 10844 KB Output is correct
36 Correct 2 ms 10932 KB Output is correct
37 Correct 2 ms 10840 KB Output is correct
38 Correct 2 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 2 ms 10840 KB Output is correct
42 Correct 3 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 10972 KB Output is correct
46 Correct 2 ms 11096 KB Output is correct
47 Correct 3 ms 10944 KB Output is correct
48 Correct 2 ms 10840 KB Output is correct
49 Correct 3 ms 10840 KB Output is correct
50 Correct 3 ms 10844 KB Output is correct
51 Correct 3 ms 10712 KB Output is correct
52 Correct 2 ms 10844 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10844 KB Output is correct
2 Correct 3 ms 10844 KB Output is correct
3 Correct 2 ms 10844 KB Output is correct
4 Correct 3 ms 10928 KB Output is correct
5 Correct 2 ms 10844 KB Output is correct
6 Correct 3 ms 10844 KB Output is correct
7 Correct 2 ms 10704 KB Output is correct
8 Correct 2 ms 10844 KB Output is correct
9 Correct 2 ms 10844 KB Output is correct
10 Correct 3 ms 10844 KB Output is correct
11 Correct 3 ms 10844 KB Output is correct
12 Correct 2 ms 10704 KB Output is correct
13 Correct 2 ms 10840 KB Output is correct
14 Correct 2 ms 10844 KB Output is correct
15 Correct 2 ms 10840 KB Output is correct
16 Correct 2 ms 10684 KB Output is correct
17 Correct 2 ms 10844 KB Output is correct
18 Correct 2 ms 10700 KB Output is correct
19 Correct 2 ms 10844 KB Output is correct
20 Correct 2 ms 10844 KB Output is correct
21 Correct 2 ms 10844 KB Output is correct
22 Correct 2 ms 10844 KB Output is correct
23 Correct 2 ms 10844 KB Output is correct
24 Correct 2 ms 10844 KB Output is correct
25 Correct 2 ms 10844 KB Output is correct
26 Correct 2 ms 10844 KB Output is correct
27 Correct 2 ms 10844 KB Output is correct
28 Correct 2 ms 10844 KB Output is correct
29 Correct 3 ms 10684 KB Output is correct
30 Correct 3 ms 10844 KB Output is correct
31 Correct 3 ms 10844 KB Output is correct
32 Correct 2 ms 10844 KB Output is correct
33 Correct 2 ms 10844 KB Output is correct
34 Correct 3 ms 10936 KB Output is correct
35 Correct 2 ms 10844 KB Output is correct
36 Correct 2 ms 10932 KB Output is correct
37 Correct 2 ms 10840 KB Output is correct
38 Correct 2 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 2 ms 10840 KB Output is correct
42 Correct 2 ms 10840 KB Output is correct
43 Correct 3 ms 10844 KB Output is correct
44 Correct 3 ms 10700 KB Output is correct
45 Correct 3 ms 10844 KB Output is correct
46 Correct 2 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 10912 KB Output is correct
53 Correct 3 ms 10840 KB Output is correct
54 Correct 4 ms 11100 KB Output is correct
55 Correct 5 ms 11100 KB Output is correct
56 Correct 25 ms 15116 KB Output is correct
57 Correct 20 ms 15196 KB Output is correct
58 Correct 26 ms 15196 KB Output is correct
59 Correct 367 ms 15236 KB Output is correct
60 Correct 30 ms 15188 KB Output is correct
61 Correct 19 ms 14932 KB Output is correct
62 Correct 361 ms 15476 KB Output is correct
63 Correct 360 ms 15620 KB Output is correct
64 Correct 378 ms 15544 KB Output is correct
65 Correct 25 ms 15184 KB Output is correct
66 Correct 371 ms 15680 KB Output is correct
67 Correct 357 ms 15232 KB Output is correct
68 Correct 362 ms 15568 KB Output is correct
69 Correct 2 ms 10844 KB Output is correct
70 Correct 2 ms 10844 KB Output is correct
71 Correct 352 ms 15404 KB Output is correct
72 Correct 384 ms 15424 KB Output is correct
73 Correct 355 ms 15304 KB Output is correct
74 Correct 2 ms 10844 KB Output is correct
75 Correct 2 ms 10700 KB Output is correct
76 Correct 2 ms 10704 KB Output is correct
77 Correct 3 ms 10844 KB Output is correct
78 Correct 28 ms 17912 KB Output is correct
79 Correct 25 ms 15696 KB Output is correct
80 Correct 28 ms 18008 KB Output is correct
81 Correct 169 ms 15372 KB Output is correct
82 Correct 36 ms 18132 KB Output is correct
83 Correct 27 ms 16476 KB Output is correct
84 Correct 2 ms 10840 KB Output is correct
85 Correct 2 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 2 ms 10840 KB Output is correct
89 Correct 3 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 10972 KB Output is correct
93 Correct 2 ms 11096 KB Output is correct
94 Correct 3 ms 10944 KB Output is correct
95 Correct 2 ms 10840 KB Output is correct
96 Correct 3 ms 10840 KB Output is correct
97 Correct 3 ms 10844 KB Output is correct
98 Correct 3 ms 10712 KB Output is correct
99 Correct 2 ms 10844 KB Output is correct
100 Correct 3 ms 10844 KB Output is correct
101 Correct 5 ms 11612 KB Output is correct
102 Correct 5 ms 11356 KB Output is correct
103 Correct 34 ms 18268 KB Output is correct
104 Correct 27 ms 18268 KB Output is correct
105 Correct 33 ms 17500 KB Output is correct
106 Correct 30 ms 18100 KB Output is correct
107 Correct 26 ms 15440 KB Output is correct
108 Correct 24 ms 15820 KB Output is correct
109 Correct 259 ms 15552 KB Output is correct
110 Correct 365 ms 15428 KB Output is correct
111 Correct 28 ms 17756 KB Output is correct
112 Correct 44 ms 17572 KB Output is correct
113 Correct 28 ms 15700 KB Output is correct
114 Correct 27 ms 18004 KB Output is correct
115 Correct 27 ms 18012 KB Output is correct