oj.uz

Submission #149103

# Submission time Handle Problem Language Result Execution time Memory
149103 2019-09-01T05:44:56 Z nandonathaniel Arranging Shoes (IOI19_shoes) C++14
30 / 100
 1000 ms 3580 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long LL;

LL a[100],V[100];

long long count_swaps(vector<int> s) {
	LL n=(LL)s.size(),now=0;
	n/=2;
	for(LL i=0;i<s.size();i++){
		if(s[i]>0){
			now++;
			a[now]=s[i];
			V[now]=now;
		}
	}
	vector<int> t=s;
	LL ans=1e18;
	do{
		s=t;
		LL res=0;
		vector<LL> hasil;
		for(LL i=1;i<=n;i++){
			hasil.push_back(-a[V[i]]);
			hasil.push_back(a[V[i]]);
		}
		//for(LL i=1;i<=2*n;i++)cout << hasil[i-1] << endl;
		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++;
			}
		}
		ans=min(ans,res);
	}while(next_permutation(V+1,V+n+1));
	return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:11:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(LL i=0;i<s.size();i++){
             ~^~~~~~~~~
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: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 256 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 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 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 292 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 292 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 8 ms 248 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 2 ms 348 KB Output is correct
15 Correct 2 ms 256 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 276 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 4 ms 376 KB Output is correct
26 Correct 21 ms 376 KB Output is correct
27 Correct 20 ms 256 KB Output is correct
28 Correct 20 ms 256 KB Output is correct
29 Correct 17 ms 356 KB Output is correct
30 Correct 17 ms 360 KB Output is correct
31 Correct 21 ms 352 KB Output is correct
32 Correct 20 ms 356 KB Output is correct
33 Correct 21 ms 360 KB Output is correct
34 Correct 20 ms 356 KB Output is correct
35 Correct 20 ms 376 KB Output is correct
36 Correct 20 ms 360 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 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 256 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 256 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 17 ms 256 KB Output is correct
14 Execution timed out 1010 ms 256 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 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 280 KB Output is correct
5 Runtime error 35 ms 3580 KB Execution killed with signal 11 (could be triggered by violating memory limits)
6 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 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 292 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 292 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 8 ms 248 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 2 ms 348 KB Output is correct
15 Correct 2 ms 256 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 276 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 4 ms 376 KB Output is correct
26 Correct 21 ms 376 KB Output is correct
27 Correct 20 ms 256 KB Output is correct
28 Correct 20 ms 256 KB Output is correct
29 Correct 17 ms 356 KB Output is correct
30 Correct 17 ms 360 KB Output is correct
31 Correct 21 ms 352 KB Output is correct
32 Correct 20 ms 356 KB Output is correct
33 Correct 21 ms 360 KB Output is correct
34 Correct 20 ms 356 KB Output is correct
35 Correct 20 ms 376 KB Output is correct
36 Correct 20 ms 360 KB Output is correct
37 Execution timed out 1051 ms 256 KB Time limit exceeded
38 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 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 292 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 292 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 8 ms 248 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 2 ms 348 KB Output is correct
15 Correct 2 ms 256 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 276 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 4 ms 376 KB Output is correct
26 Correct 21 ms 376 KB Output is correct
27 Correct 20 ms 256 KB Output is correct
28 Correct 20 ms 256 KB Output is correct
29 Correct 17 ms 356 KB Output is correct
30 Correct 17 ms 360 KB Output is correct
31 Correct 21 ms 352 KB Output is correct
32 Correct 20 ms 356 KB Output is correct
33 Correct 21 ms 360 KB Output is correct
34 Correct 20 ms 356 KB Output is correct
35 Correct 20 ms 376 KB Output is correct
36 Correct 20 ms 360 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 376 KB Output is correct
40 Correct 2 ms 256 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 256 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 2 ms 256 KB Output is correct
46 Correct 2 ms 256 KB Output is correct
47 Correct 17 ms 256 KB Output is correct
48 Execution timed out 1010 ms 256 KB Time limit exceeded
49 Halted 0 ms 0 KB -