oj.uz

Submission #153787

# Submission time Handle Problem Language Result Execution time Memory
153787 2019-09-16T07:21:22 Z asifthegreat Arranging Shoes (IOI19_shoes) C++14
85 / 100
 1000 ms 8668 KB 
#include <bits/stdc++.h>
using namespace std;
#include "shoes.h"

const int N = 300000;


long long subtask3(std::vector<int>s){
	set<int>st;
	for(auto i: s)st.insert(abs(i));
	if(st.size() != 1)return 0ll;

	vector<int> v;

	for(int i=0;i<s.size();i++){
		if(s[i]<0)v.push_back(i);
	}
	long long now=0,ans=0;
	for(int i=0;i<s.size();i++){
		if(i%2==0){
			ans+=abs(v[now]-i);
			now++;
		}
	}
	return ans;

	// return ans;
}


long long count_swaps(std::vector<int> s) {
	int n = s.size();
	if(true){
		long long ans_3 = subtask3(s);
		if(ans_3)return ans_3;
	}
	if(true){
		int papa = n/2;
		bool ok = true;
		for(int i = 0; 	i < papa;i++){
			if(s[i] == -s[i+papa] and s[i] < 0)continue;
			ok = false;break;
		}
		if(ok){
			long long nn = (int)s.size()/2ll;
			return nn*(nn-1ll)/2ll;
		}
	}
	int cnt = 0;
	for(int i = 0; i < n;i+=2){
		int k = -69;
		for(int j = i+1; j < n;j++){
			if(s[i] == -s[j]){k = j;break;}
		}
		while(k != i+1){
			swap(s[k],s[k-1]);
			k--;
			cnt++;
		}
		if(s[i] > 0){
			swap(s[i],s[i+1]);cnt++;
		}
	}
	return cnt;
}

Compilation message

shoes.cpp: In function 'long long int subtask3(std::vector<int>)':
shoes.cpp:15:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<s.size();i++){
              ~^~~~~~~~~
shoes.cpp:19:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<s.size();i++){
              ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 256 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 256 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 3 ms 376 KB Output is correct
20 Correct 5 ms 632 KB Output is correct
21 Correct 5 ms 632 KB Output is correct
22 Correct 31 ms 3288 KB Output is correct
23 Correct 28 ms 3316 KB Output is correct
24 Correct 31 ms 3444 KB Output is correct
25 Correct 27 ms 3316 KB Output is correct
26 Correct 31 ms 4596 KB Output is correct
27 Correct 27 ms 4340 KB Output is correct
28 Correct 29 ms 4596 KB Output is correct
29 Correct 29 ms 4596 KB Output is correct
30 Correct 29 ms 4596 KB Output is correct
31 Correct 32 ms 4596 KB Output is correct
32 Correct 29 ms 4596 KB Output is correct
33 Correct 27 ms 4340 KB Output is correct
34 Correct 29 ms 4628 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 2 ms 252 KB Output is correct
37 Correct 29 ms 4568 KB Output is correct
38 Correct 29 ms 4596 KB Output is correct
39 Correct 29 ms 4596 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 136 ms 7428 KB Output is correct
6 Correct 62 ms 3064 KB Output is correct
7 Correct 127 ms 7416 KB Output is correct
8 Correct 34 ms 2808 KB Output is correct
9 Correct 151 ms 7288 KB Output is correct
10 Correct 125 ms 5112 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 256 KB Output is correct
37 Correct 2 ms 256 KB Output is correct
38 Correct 2 ms 256 KB Output is correct
39 Correct 2 ms 256 KB Output is correct
40 Correct 2 ms 256 KB Output is correct
41 Correct 3 ms 376 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 3 ms 376 KB Output is correct
44 Correct 4 ms 376 KB Output is correct
45 Correct 3 ms 376 KB Output is correct
46 Correct 3 ms 376 KB Output is correct
47 Correct 4 ms 376 KB Output is correct
48 Correct 3 ms 376 KB Output is correct
49 Correct 3 ms 380 KB Output is correct
50 Correct 3 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 4 ms 376 KB Output is correct

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 256 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 2 ms 256 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 2 ms 256 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 2 ms 256 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 2 ms 256 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 2 ms 376 KB Output is correct
49 Correct 2 ms 376 KB Output is correct
50 Correct 2 ms 256 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 3 ms 376 KB Output is correct
54 Correct 5 ms 632 KB Output is correct
55 Correct 5 ms 632 KB Output is correct
56 Correct 31 ms 3288 KB Output is correct
57 Correct 28 ms 3316 KB Output is correct
58 Correct 31 ms 3444 KB Output is correct
59 Correct 27 ms 3316 KB Output is correct
60 Correct 31 ms 4596 KB Output is correct
61 Correct 27 ms 4340 KB Output is correct
62 Correct 29 ms 4596 KB Output is correct
63 Correct 29 ms 4596 KB Output is correct
64 Correct 29 ms 4596 KB Output is correct
65 Correct 32 ms 4596 KB Output is correct
66 Correct 29 ms 4596 KB Output is correct
67 Correct 27 ms 4340 KB Output is correct
68 Correct 29 ms 4628 KB Output is correct
69 Correct 2 ms 256 KB Output is correct
70 Correct 2 ms 252 KB Output is correct
71 Correct 29 ms 4568 KB Output is correct
72 Correct 29 ms 4596 KB Output is correct
73 Correct 29 ms 4596 KB Output is correct
74 Correct 2 ms 376 KB Output is correct
75 Correct 2 ms 256 KB Output is correct
76 Correct 2 ms 256 KB Output is correct
77 Correct 2 ms 256 KB Output is correct
78 Correct 136 ms 7428 KB Output is correct
79 Correct 62 ms 3064 KB Output is correct
80 Correct 127 ms 7416 KB Output is correct
81 Correct 34 ms 2808 KB Output is correct
82 Correct 151 ms 7288 KB Output is correct
83 Correct 125 ms 5112 KB Output is correct
84 Correct 2 ms 256 KB Output is correct
85 Correct 2 ms 256 KB Output is correct
86 Correct 2 ms 256 KB Output is correct
87 Correct 2 ms 256 KB Output is correct
88 Correct 3 ms 376 KB Output is correct
89 Correct 2 ms 376 KB Output is correct
90 Correct 3 ms 376 KB Output is correct
91 Correct 4 ms 376 KB Output is correct
92 Correct 3 ms 376 KB Output is correct
93 Correct 3 ms 376 KB Output is correct
94 Correct 4 ms 376 KB Output is correct
95 Correct 3 ms 376 KB Output is correct
96 Correct 3 ms 380 KB Output is correct
97 Correct 3 ms 376 KB Output is correct
98 Correct 2 ms 376 KB Output is correct
99 Correct 4 ms 376 KB Output is correct
100 Correct 4 ms 376 KB Output is correct
101 Correct 85 ms 1144 KB Output is correct
102 Correct 46 ms 760 KB Output is correct
103 Execution timed out 1085 ms 8668 KB Time limit exceeded
104 Halted 0 ms 0 KB -