oj.uz

Submission #153396

# Submission time Handle Problem Language Result Execution time Memory
153396 2019-09-14T04:23:49 Z nandonathaniel Arranging Shoes (IOI19_shoes) C++14
85 / 100
 33 ms 2692 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
typedef pair<LL,LL> pii;

vector<LL> neg[1005],pos[1005];

long long count_swaps(vector<int> s) {
	LL n=(LL)s.size()/2;
	if((LL)s.size()<=2000){
		vector<LL> hasil;
		vector<pii> V;
		for(int i=0;i<s.size();i++){
			if(s[i]<0)neg[abs(s[i])].push_back(i);
			else pos[s[i]].push_back(i);
		}
		for(int i=1;i<=n;i++){
			for(int j=0;j<neg[i].size();j++){
				V.push_back({min(neg[i][j],pos[i][j]),i});
			}
		}
		sort(V.begin(),V.end());
		for(auto isi : V){
			hasil.push_back(-isi.second);
			hasil.push_back(isi.second);
		}
		LL res=0;
		for(LL i=0;i<s.size();i++){
			LL no;
			for(LL j=i;j<s.size();j++){
				if(s[j]==hasil[i]){
					no=j;
					break;
				}
			}
			for(LL j=no;j>=i+1;j--){
				swap(s[j],s[j-1]);
				res++;
			}
		}
		return res;
	}
	vector<int> v;
	for(int i=0;i<s.size();i++){
		if(s[i]<0)v.push_back(i);
	}
	LL now=0,ans=0;
	for(int i=0;i<s.size();i++){
		if(i%2==0){
			ans+=abs(v[now]-i);
			now++;
		}
	}
	return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:14:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<s.size();i++){
               ~^~~~~~~~~
shoes.cpp:19:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j=0;j<neg[i].size();j++){
                ~^~~~~~~~~~~~~~
shoes.cpp:29:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(LL i=0;i<s.size();i++){
              ~^~~~~~~~~
shoes.cpp:31:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(LL j=i;j<s.size();j++){
               ~^~~~~~~~~
shoes.cpp:45:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<s.size();i++){
              ~^~~~~~~~~
shoes.cpp:49:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<s.size();i++){
              ~^~~~~~~~~
shoes.cpp:30:7: warning: 'no' may be used uninitialized in this function [-Wmaybe-uninitialized]
    LL no;
       ^~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 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 376 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 376 KB Output is correct
9 Correct 2 ms 380 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 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 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 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 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 3 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 3 ms 380 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 2 ms 376 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 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 452 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 376 KB Output is correct
18 Correct 2 ms 504 KB Output is correct
19 Correct 2 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 30 ms 2520 KB Output is correct
23 Correct 27 ms 2548 KB Output is correct
24 Correct 30 ms 2548 KB Output is correct
25 Correct 26 ms 2548 KB Output is correct
26 Correct 30 ms 2560 KB Output is correct
27 Correct 27 ms 2548 KB Output is correct
28 Correct 28 ms 2548 KB Output is correct
29 Correct 27 ms 2548 KB Output is correct
30 Correct 27 ms 2544 KB Output is correct
31 Correct 30 ms 2692 KB Output is correct
32 Correct 27 ms 2548 KB Output is correct
33 Correct 26 ms 2548 KB Output is correct
34 Correct 28 ms 2548 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 3 ms 376 KB Output is correct
37 Correct 27 ms 2520 KB Output is correct
38 Correct 27 ms 2548 KB Output is correct
39 Correct 27 ms 2548 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 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 32 ms 2604 KB Output is correct
6 Correct 33 ms 2548 KB Output is correct
7 Correct 33 ms 2636 KB Output is correct
8 Correct 31 ms 2548 KB Output is correct
9 Correct 32 ms 2552 KB Output is correct
10 Correct 32 ms 2548 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 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 376 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 376 KB Output is correct
9 Correct 2 ms 380 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 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 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 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 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 3 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 3 ms 380 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 424 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 3 ms 376 KB Output is correct
41 Correct 3 ms 504 KB Output is correct
42 Correct 3 ms 504 KB Output is correct
43 Correct 3 ms 504 KB Output is correct
44 Correct 4 ms 504 KB Output is correct
45 Correct 3 ms 504 KB Output is correct
46 Correct 3 ms 424 KB Output is correct
47 Correct 4 ms 376 KB Output is correct
48 Correct 3 ms 504 KB Output is correct
49 Correct 3 ms 508 KB Output is correct
50 Correct 3 ms 372 KB Output is correct
51 Correct 4 ms 504 KB Output is correct
52 Correct 4 ms 504 KB Output is correct

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 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 376 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 376 KB Output is correct
9 Correct 2 ms 380 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 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 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 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 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 3 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 3 ms 380 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 3 ms 376 KB Output is correct
40 Correct 3 ms 376 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 2 ms 452 KB Output is correct
49 Correct 2 ms 376 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 2 ms 504 KB Output is correct
53 Correct 2 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 30 ms 2520 KB Output is correct
57 Correct 27 ms 2548 KB Output is correct
58 Correct 30 ms 2548 KB Output is correct
59 Correct 26 ms 2548 KB Output is correct
60 Correct 30 ms 2560 KB Output is correct
61 Correct 27 ms 2548 KB Output is correct
62 Correct 28 ms 2548 KB Output is correct
63 Correct 27 ms 2548 KB Output is correct
64 Correct 27 ms 2544 KB Output is correct
65 Correct 30 ms 2692 KB Output is correct
66 Correct 27 ms 2548 KB Output is correct
67 Correct 26 ms 2548 KB Output is correct
68 Correct 28 ms 2548 KB Output is correct
69 Correct 2 ms 376 KB Output is correct
70 Correct 3 ms 376 KB Output is correct
71 Correct 27 ms 2520 KB Output is correct
72 Correct 27 ms 2548 KB Output is correct
73 Correct 27 ms 2548 KB Output is correct
74 Correct 2 ms 376 KB Output is correct
75 Correct 2 ms 376 KB Output is correct
76 Correct 2 ms 376 KB Output is correct
77 Correct 2 ms 376 KB Output is correct
78 Correct 32 ms 2604 KB Output is correct
79 Correct 33 ms 2548 KB Output is correct
80 Correct 33 ms 2636 KB Output is correct
81 Correct 31 ms 2548 KB Output is correct
82 Correct 32 ms 2552 KB Output is correct
83 Correct 32 ms 2548 KB Output is correct
84 Correct 2 ms 376 KB Output is correct
85 Correct 2 ms 424 KB Output is correct
86 Correct 2 ms 376 KB Output is correct
87 Correct 3 ms 376 KB Output is correct
88 Correct 3 ms 504 KB Output is correct
89 Correct 3 ms 504 KB Output is correct
90 Correct 3 ms 504 KB Output is correct
91 Correct 4 ms 504 KB Output is correct
92 Correct 3 ms 504 KB Output is correct
93 Correct 3 ms 424 KB Output is correct
94 Correct 4 ms 376 KB Output is correct
95 Correct 3 ms 504 KB Output is correct
96 Correct 3 ms 508 KB Output is correct
97 Correct 3 ms 372 KB Output is correct
98 Correct 4 ms 504 KB Output is correct
99 Correct 4 ms 504 KB Output is correct
100 Incorrect 2 ms 376 KB Output isn't correct
101 Halted 0 ms 0 KB -