oj.uz

Submission #599219

# Submission time Handle Problem Language Result Execution time Memory
599219 2022-07-19T11:44:22 Z Summers Arranging Shoes (IOI19_shoes) C++14
100 / 100
 89 ms 34664 KB 
#include "shoes.h"
#include<iostream>
#include<vector>
using namespace std;
vector<long long>v[1000000];
long long fen[1000000];
void update(long long pos,long long val)
{
    for(int i=pos;i<=1000000;i+=(i&-i))
    {
        fen[i]+=val;
    }
}
long long sum(long long val)
{
    long long ss=0;
    for(int i=val;i>0;i-=(i&-i))
    {
        ss+=fen[i];
    }
    return ss;
}
bool is[1000000];
long long count_swaps(std::vector<int> s) {

	long long i,j,n,res=0;
	n=s.size()/2;

	for(i=s.size()-1;i>=0;i--)
    {
        v[s[i]+n].push_back(i);
        update(i+1,1);
    }
    for(i=0;i<s.size();i++)
    {
        if(is[i])continue;
        is[i]=1;

        v[s[i]+n].pop_back();

        long long pos=v[-s[i]+n][v[-s[i]+n].size()-1];
        v[-s[i]+n].pop_back();
        is[pos]=1;

        res+=sum(pos)-sum(i+1);

        update(pos+1,-1);

        if(s[i]>0)res++;
    }
    return res;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:34:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |     for(i=0;i<s.size();i++)
      |             ~^~~~~~~~~
shoes.cpp:26:14: warning: unused variable 'j' [-Wunused-variable]
   26 |  long long i,j,n,res=0;
      |              ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 13 ms 23768 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 13 ms 23768 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 13 ms 23792 KB Output is correct
5 Correct 13 ms 23800 KB Output is correct
6 Correct 13 ms 23856 KB Output is correct
7 Correct 12 ms 23764 KB Output is correct
8 Correct 14 ms 23836 KB Output is correct
9 Correct 16 ms 23764 KB Output is correct
10 Correct 13 ms 23836 KB Output is correct
11 Correct 13 ms 23796 KB Output is correct
12 Correct 13 ms 23792 KB Output is correct
13 Correct 15 ms 23764 KB Output is correct
14 Correct 14 ms 23736 KB Output is correct
15 Correct 12 ms 23764 KB Output is correct
16 Correct 12 ms 23796 KB Output is correct
17 Correct 13 ms 23792 KB Output is correct
18 Correct 12 ms 23772 KB Output is correct
19 Correct 13 ms 23764 KB Output is correct
20 Correct 14 ms 23776 KB Output is correct
21 Correct 12 ms 23792 KB Output is correct
22 Correct 12 ms 23788 KB Output is correct
23 Correct 12 ms 23764 KB Output is correct
24 Correct 12 ms 23764 KB Output is correct
25 Correct 12 ms 23764 KB Output is correct
26 Correct 12 ms 23764 KB Output is correct
27 Correct 12 ms 23764 KB Output is correct
28 Correct 12 ms 23792 KB Output is correct
29 Correct 15 ms 23792 KB Output is correct
30 Correct 13 ms 23772 KB Output is correct
31 Correct 12 ms 23764 KB Output is correct
32 Correct 12 ms 23764 KB Output is correct
33 Correct 14 ms 23732 KB Output is correct
34 Correct 13 ms 23764 KB Output is correct
35 Correct 12 ms 23796 KB Output is correct
36 Correct 13 ms 23792 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 13 ms 23768 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 12 ms 23792 KB Output is correct
5 Correct 12 ms 23800 KB Output is correct
6 Correct 12 ms 23788 KB Output is correct
7 Correct 14 ms 23752 KB Output is correct
8 Correct 13 ms 23764 KB Output is correct
9 Correct 13 ms 23804 KB Output is correct
10 Correct 14 ms 23764 KB Output is correct
11 Correct 13 ms 23748 KB Output is correct
12 Correct 13 ms 23764 KB Output is correct
13 Correct 13 ms 23764 KB Output is correct
14 Correct 12 ms 23764 KB Output is correct
15 Correct 14 ms 23792 KB Output is correct
16 Correct 13 ms 23792 KB Output is correct
17 Correct 12 ms 23764 KB Output is correct
18 Correct 13 ms 23884 KB Output is correct
19 Correct 13 ms 23892 KB Output is correct
20 Correct 16 ms 24536 KB Output is correct
21 Correct 15 ms 24532 KB Output is correct
22 Correct 43 ms 30088 KB Output is correct
23 Correct 49 ms 30176 KB Output is correct
24 Correct 57 ms 30096 KB Output is correct
25 Correct 39 ms 30048 KB Output is correct
26 Correct 44 ms 30072 KB Output is correct
27 Correct 42 ms 29916 KB Output is correct
28 Correct 41 ms 30180 KB Output is correct
29 Correct 42 ms 30168 KB Output is correct
30 Correct 49 ms 30272 KB Output is correct
31 Correct 43 ms 30084 KB Output is correct
32 Correct 39 ms 30216 KB Output is correct
33 Correct 41 ms 30052 KB Output is correct
34 Correct 41 ms 30272 KB Output is correct
35 Correct 13 ms 23768 KB Output is correct
36 Correct 15 ms 23764 KB Output is correct
37 Correct 40 ms 30176 KB Output is correct
38 Correct 42 ms 30184 KB Output is correct
39 Correct 39 ms 30180 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 12 ms 23796 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 14 ms 23764 KB Output is correct
5 Correct 62 ms 34604 KB Output is correct
6 Correct 53 ms 30948 KB Output is correct
7 Correct 62 ms 34664 KB Output is correct
8 Correct 45 ms 30500 KB Output is correct
9 Correct 59 ms 34564 KB Output is correct
10 Correct 61 ms 31988 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 13 ms 23768 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 13 ms 23792 KB Output is correct
5 Correct 13 ms 23800 KB Output is correct
6 Correct 13 ms 23856 KB Output is correct
7 Correct 12 ms 23764 KB Output is correct
8 Correct 14 ms 23836 KB Output is correct
9 Correct 16 ms 23764 KB Output is correct
10 Correct 13 ms 23836 KB Output is correct
11 Correct 13 ms 23796 KB Output is correct
12 Correct 13 ms 23792 KB Output is correct
13 Correct 15 ms 23764 KB Output is correct
14 Correct 14 ms 23736 KB Output is correct
15 Correct 12 ms 23764 KB Output is correct
16 Correct 12 ms 23796 KB Output is correct
17 Correct 13 ms 23792 KB Output is correct
18 Correct 12 ms 23772 KB Output is correct
19 Correct 13 ms 23764 KB Output is correct
20 Correct 14 ms 23776 KB Output is correct
21 Correct 12 ms 23792 KB Output is correct
22 Correct 12 ms 23788 KB Output is correct
23 Correct 12 ms 23764 KB Output is correct
24 Correct 12 ms 23764 KB Output is correct
25 Correct 12 ms 23764 KB Output is correct
26 Correct 12 ms 23764 KB Output is correct
27 Correct 12 ms 23764 KB Output is correct
28 Correct 12 ms 23792 KB Output is correct
29 Correct 15 ms 23792 KB Output is correct
30 Correct 13 ms 23772 KB Output is correct
31 Correct 12 ms 23764 KB Output is correct
32 Correct 12 ms 23764 KB Output is correct
33 Correct 14 ms 23732 KB Output is correct
34 Correct 13 ms 23764 KB Output is correct
35 Correct 12 ms 23796 KB Output is correct
36 Correct 13 ms 23792 KB Output is correct
37 Correct 14 ms 23784 KB Output is correct
38 Correct 12 ms 23792 KB Output is correct
39 Correct 15 ms 23764 KB Output is correct
40 Correct 15 ms 23796 KB Output is correct
41 Correct 13 ms 23860 KB Output is correct
42 Correct 13 ms 23924 KB Output is correct
43 Correct 13 ms 23864 KB Output is correct
44 Correct 15 ms 23892 KB Output is correct
45 Correct 13 ms 23844 KB Output is correct
46 Correct 13 ms 23896 KB Output is correct
47 Correct 13 ms 23860 KB Output is correct
48 Correct 13 ms 23892 KB Output is correct
49 Correct 13 ms 23800 KB Output is correct
50 Correct 13 ms 23800 KB Output is correct
51 Correct 13 ms 23892 KB Output is correct
52 Correct 13 ms 23892 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 13 ms 23768 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 13 ms 23792 KB Output is correct
5 Correct 13 ms 23800 KB Output is correct
6 Correct 13 ms 23856 KB Output is correct
7 Correct 12 ms 23764 KB Output is correct
8 Correct 14 ms 23836 KB Output is correct
9 Correct 16 ms 23764 KB Output is correct
10 Correct 13 ms 23836 KB Output is correct
11 Correct 13 ms 23796 KB Output is correct
12 Correct 13 ms 23792 KB Output is correct
13 Correct 15 ms 23764 KB Output is correct
14 Correct 14 ms 23736 KB Output is correct
15 Correct 12 ms 23764 KB Output is correct
16 Correct 12 ms 23796 KB Output is correct
17 Correct 13 ms 23792 KB Output is correct
18 Correct 12 ms 23772 KB Output is correct
19 Correct 13 ms 23764 KB Output is correct
20 Correct 14 ms 23776 KB Output is correct
21 Correct 12 ms 23792 KB Output is correct
22 Correct 12 ms 23788 KB Output is correct
23 Correct 12 ms 23764 KB Output is correct
24 Correct 12 ms 23764 KB Output is correct
25 Correct 12 ms 23764 KB Output is correct
26 Correct 12 ms 23764 KB Output is correct
27 Correct 12 ms 23764 KB Output is correct
28 Correct 12 ms 23792 KB Output is correct
29 Correct 15 ms 23792 KB Output is correct
30 Correct 13 ms 23772 KB Output is correct
31 Correct 12 ms 23764 KB Output is correct
32 Correct 12 ms 23764 KB Output is correct
33 Correct 14 ms 23732 KB Output is correct
34 Correct 13 ms 23764 KB Output is correct
35 Correct 12 ms 23796 KB Output is correct
36 Correct 13 ms 23792 KB Output is correct
37 Correct 12 ms 23764 KB Output is correct
38 Correct 12 ms 23792 KB Output is correct
39 Correct 12 ms 23800 KB Output is correct
40 Correct 12 ms 23788 KB Output is correct
41 Correct 14 ms 23752 KB Output is correct
42 Correct 13 ms 23764 KB Output is correct
43 Correct 13 ms 23804 KB Output is correct
44 Correct 14 ms 23764 KB Output is correct
45 Correct 13 ms 23748 KB Output is correct
46 Correct 13 ms 23764 KB Output is correct
47 Correct 13 ms 23764 KB Output is correct
48 Correct 12 ms 23764 KB Output is correct
49 Correct 14 ms 23792 KB Output is correct
50 Correct 13 ms 23792 KB Output is correct
51 Correct 12 ms 23764 KB Output is correct
52 Correct 13 ms 23884 KB Output is correct
53 Correct 13 ms 23892 KB Output is correct
54 Correct 16 ms 24536 KB Output is correct
55 Correct 15 ms 24532 KB Output is correct
56 Correct 43 ms 30088 KB Output is correct
57 Correct 49 ms 30176 KB Output is correct
58 Correct 57 ms 30096 KB Output is correct
59 Correct 39 ms 30048 KB Output is correct
60 Correct 44 ms 30072 KB Output is correct
61 Correct 42 ms 29916 KB Output is correct
62 Correct 41 ms 30180 KB Output is correct
63 Correct 42 ms 30168 KB Output is correct
64 Correct 49 ms 30272 KB Output is correct
65 Correct 43 ms 30084 KB Output is correct
66 Correct 39 ms 30216 KB Output is correct
67 Correct 41 ms 30052 KB Output is correct
68 Correct 41 ms 30272 KB Output is correct
69 Correct 13 ms 23768 KB Output is correct
70 Correct 15 ms 23764 KB Output is correct
71 Correct 40 ms 30176 KB Output is correct
72 Correct 42 ms 30184 KB Output is correct
73 Correct 39 ms 30180 KB Output is correct
74 Correct 12 ms 23764 KB Output is correct
75 Correct 12 ms 23796 KB Output is correct
76 Correct 12 ms 23764 KB Output is correct
77 Correct 14 ms 23764 KB Output is correct
78 Correct 62 ms 34604 KB Output is correct
79 Correct 53 ms 30948 KB Output is correct
80 Correct 62 ms 34664 KB Output is correct
81 Correct 45 ms 30500 KB Output is correct
82 Correct 59 ms 34564 KB Output is correct
83 Correct 61 ms 31988 KB Output is correct
84 Correct 14 ms 23784 KB Output is correct
85 Correct 12 ms 23792 KB Output is correct
86 Correct 15 ms 23764 KB Output is correct
87 Correct 15 ms 23796 KB Output is correct
88 Correct 13 ms 23860 KB Output is correct
89 Correct 13 ms 23924 KB Output is correct
90 Correct 13 ms 23864 KB Output is correct
91 Correct 15 ms 23892 KB Output is correct
92 Correct 13 ms 23844 KB Output is correct
93 Correct 13 ms 23896 KB Output is correct
94 Correct 13 ms 23860 KB Output is correct
95 Correct 13 ms 23892 KB Output is correct
96 Correct 13 ms 23800 KB Output is correct
97 Correct 13 ms 23800 KB Output is correct
98 Correct 13 ms 23892 KB Output is correct
99 Correct 13 ms 23892 KB Output is correct
100 Correct 13 ms 23892 KB Output is correct
101 Correct 18 ms 24800 KB Output is correct
102 Correct 17 ms 24484 KB Output is correct
103 Correct 72 ms 34628 KB Output is correct
104 Correct 65 ms 34648 KB Output is correct
105 Correct 89 ms 32204 KB Output is correct
106 Correct 71 ms 34584 KB Output is correct
107 Correct 62 ms 31052 KB Output is correct
108 Correct 67 ms 31332 KB Output is correct
109 Correct 47 ms 30820 KB Output is correct
110 Correct 41 ms 30168 KB Output is correct
111 Correct 63 ms 33920 KB Output is correct
112 Correct 68 ms 33264 KB Output is correct
113 Correct 58 ms 30984 KB Output is correct
114 Correct 63 ms 34624 KB Output is correct
115 Correct 68 ms 34620 KB Output is correct