oj.uz

Submission #601789

# Submission time Handle Problem Language Result Execution time Memory
601789 2022-07-22T10:02:27 Z Minindu2006 Arranging Shoes (IOI19_shoes) C++14
85 / 100
 1000 ms 12436 KB 
#include "shoes.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;
 
ll count_swaps(vector<int> s)
{
    ll n = s.size() / 2;
    if (n == 1)
        return s[0] > 0;
	set<int> st;
    int isb4 = 1;
    for (int i = 0; i < n; i++)
    {
        if (s[i] != -s[i + n] || s[i] > 0)
        {
            isb4 = 0;
            break;
        }
    }
    if (isb4)
        return n * (n - 1) / 2;
	for(int i=0;i<2*n;i++)
		st.insert(s[i]);
	

	if (st.size() == 2)
	{
		
		vector<int> l;
		for (int i = 0; i < 2 * n; i++)
			if (s[i] < 0)
				l.push_back(i);
		ll ans = 0, j = 0;
		for (int i = 0; i < 2 * n; i += 2)
			ans += abs(i - l[j]), j++;
		return ans;
	}
    ll pos = 0, ans = 0;
    while (pos < 2 * n)
    {
        if (s[pos] > 0)
        {
            int i;
            for (i = pos + 1; i < 2 * n; i++)
                if (s[i] == -s[pos])
                    break;
            int num = s[i];
            s.erase(s.begin() + i);
            s.insert(s.begin() + pos, num);
            ans += (i - pos);
        }
        else if (s[pos] + s[pos + 1] != 0)
        {
            int i;
            for (i = pos + 2; i < 2 * n; i++)
                if (s[i] == -s[pos])
                    break;
            int num = s[i];
            s.erase(s.begin() + i);
            s.insert(s.begin() + pos + 1, num);
            ans += (i - pos - 1);
        }
        // cout << s[pos] << " " << s[pos + 1] << '\n';
        pos += 2;
        
    }
    return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:9:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
    9 |     if (n == 1)
      |     ^~
shoes.cpp:11:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   11 |  set<int> st;
      |  ^~~
shoes.cpp:21:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   21 |     if (isb4)
      |     ^~
shoes.cpp:23:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   23 |  for(int i=0;i<2*n;i++)
      |  ^~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 296 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 300 KB Output is correct
17 Correct 0 ms 300 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 296 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 296 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 304 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 296 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 3 ms 468 KB Output is correct
21 Correct 2 ms 468 KB Output is correct
22 Correct 26 ms 2492 KB Output is correct
23 Correct 24 ms 2488 KB Output is correct
24 Correct 24 ms 2492 KB Output is correct
25 Correct 21 ms 2496 KB Output is correct
26 Correct 24 ms 2476 KB Output is correct
27 Correct 23 ms 2496 KB Output is correct
28 Correct 21 ms 2500 KB Output is correct
29 Correct 21 ms 2512 KB Output is correct
30 Correct 21 ms 2492 KB Output is correct
31 Correct 25 ms 2488 KB Output is correct
32 Correct 19 ms 1748 KB Output is correct
33 Correct 21 ms 2500 KB Output is correct
34 Correct 21 ms 2488 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 19 ms 1856 KB Output is correct
38 Correct 21 ms 1876 KB Output is correct
39 Correct 19 ms 1864 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 20 ms 1856 KB Output is correct
6 Correct 20 ms 1852 KB Output is correct
7 Correct 19 ms 1864 KB Output is correct
8 Correct 21 ms 1780 KB Output is correct
9 Correct 19 ms 1860 KB Output is correct
10 Correct 19 ms 1876 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 296 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 300 KB Output is correct
17 Correct 0 ms 300 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 296 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 296 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 304 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 296 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 304 KB Output is correct
40 Correct 1 ms 300 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 300 KB Output is correct
46 Correct 2 ms 312 KB Output is correct
47 Correct 2 ms 308 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 2 ms 340 KB Output is correct
50 Correct 1 ms 312 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 2 ms 348 KB Output is correct

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 296 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 300 KB Output is correct
17 Correct 0 ms 300 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 296 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 296 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 304 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 296 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 3 ms 468 KB Output is correct
55 Correct 2 ms 468 KB Output is correct
56 Correct 26 ms 2492 KB Output is correct
57 Correct 24 ms 2488 KB Output is correct
58 Correct 24 ms 2492 KB Output is correct
59 Correct 21 ms 2496 KB Output is correct
60 Correct 24 ms 2476 KB Output is correct
61 Correct 23 ms 2496 KB Output is correct
62 Correct 21 ms 2500 KB Output is correct
63 Correct 21 ms 2512 KB Output is correct
64 Correct 21 ms 2492 KB Output is correct
65 Correct 25 ms 2488 KB Output is correct
66 Correct 19 ms 1748 KB Output is correct
67 Correct 21 ms 2500 KB Output is correct
68 Correct 21 ms 2488 KB Output is correct
69 Correct 0 ms 212 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 19 ms 1856 KB Output is correct
72 Correct 21 ms 1876 KB Output is correct
73 Correct 19 ms 1864 KB Output is correct
74 Correct 0 ms 212 KB Output is correct
75 Correct 0 ms 212 KB Output is correct
76 Correct 1 ms 212 KB Output is correct
77 Correct 0 ms 212 KB Output is correct
78 Correct 20 ms 1856 KB Output is correct
79 Correct 20 ms 1852 KB Output is correct
80 Correct 19 ms 1864 KB Output is correct
81 Correct 21 ms 1780 KB Output is correct
82 Correct 19 ms 1860 KB Output is correct
83 Correct 19 ms 1876 KB Output is correct
84 Correct 0 ms 212 KB Output is correct
85 Correct 1 ms 212 KB Output is correct
86 Correct 1 ms 304 KB Output is correct
87 Correct 1 ms 300 KB Output is correct
88 Correct 1 ms 340 KB Output is correct
89 Correct 1 ms 340 KB Output is correct
90 Correct 1 ms 340 KB Output is correct
91 Correct 1 ms 340 KB Output is correct
92 Correct 1 ms 300 KB Output is correct
93 Correct 2 ms 312 KB Output is correct
94 Correct 2 ms 308 KB Output is correct
95 Correct 1 ms 340 KB Output is correct
96 Correct 2 ms 340 KB Output is correct
97 Correct 1 ms 312 KB Output is correct
98 Correct 1 ms 212 KB Output is correct
99 Correct 2 ms 348 KB Output is correct
100 Correct 1 ms 340 KB Output is correct
101 Correct 47 ms 1380 KB Output is correct
102 Correct 33 ms 704 KB Output is correct
103 Execution timed out 1085 ms 12436 KB Time limit exceeded
104 Halted 0 ms 0 KB -