oj.uz

Submission #422653

# Submission time Handle Problem Language Result Execution time Memory
422653 2021-06-10T09:35:02 Z oleh1421 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 150 ms 32924 KB 
//#include "grader.cpp"
#include "shoes.h"
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
const int N=200010;
int t[N];
void upd(int n,int pos,int x){
    for (;pos<=n;pos|=pos+1) t[pos]+=x;
}
int get(int pos){
    int sum=0;
    for (;pos>=0;pos&=pos+1,pos--) sum+=t[pos];
    return sum;
}
set<int>open[N],close[N];
int r[N];
ll count_swaps(vector<int> s) {
    for (int i=0;i<s.size();i++) s[i]=-s[i];
    for (int i=0;i<s.size();i++){
        if (s[i]>0) open[s[i]].insert(i);
        else if (s[i]<0) close[-s[i]].insert(i);
    }
    ll res=0ll;
    for (int i=0;i<s.size();i++){
        if (r[i]==-1) continue;

        if (s[i]>0){
            r[i]=(*close[s[i]].begin());
            r[r[i]]=-1;
            close[s[i]].erase(close[s[i]].begin());
            open[s[i]].erase(i);
        } else {
            r[i]=(*open[-s[i]].begin());
            r[r[i]]=-1;
            open[-s[i]].erase(open[-s[i]].begin());
            res++;
            close[-s[i]].erase(i);
        }
//        cout<<i<<" "<<r[i]<<endl;
    }
    for (int i=0;i<s.size();i++){
        upd(s.size(),i,1);
    }
    for (int i=0;i<s.size();i++){
        if (r[i]==-1) continue;
//        cout<<i<<" "<<r[i]<<endl;
        res+=get(r[i]-1)-get(i);
        upd(s.size(),r[i],-1);
    }
	return res;
}

Compilation message

shoes.cpp: In function 'll count_swaps(std::vector<int>)':
shoes.cpp:19:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for (int i=0;i<s.size();i++) s[i]=-s[i];
      |                  ~^~~~~~~~~
shoes.cpp:20:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |     for (int i=0;i<s.size();i++){
      |                  ~^~~~~~~~~
shoes.cpp:25:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for (int i=0;i<s.size();i++){
      |                  ~^~~~~~~~~
shoes.cpp:42:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |     for (int i=0;i<s.size();i++){
      |                  ~^~~~~~~~~
shoes.cpp:45:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |     for (int i=0;i<s.size();i++){
      |                  ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 19020 KB Output is correct
2 Correct 12 ms 19052 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 19020 KB Output is correct
2 Correct 12 ms 19052 KB Output is correct
3 Correct 12 ms 19020 KB Output is correct
4 Correct 12 ms 19048 KB Output is correct
5 Correct 12 ms 19020 KB Output is correct
6 Correct 12 ms 19020 KB Output is correct
7 Correct 12 ms 19020 KB Output is correct
8 Correct 12 ms 19088 KB Output is correct
9 Correct 12 ms 19020 KB Output is correct
10 Correct 12 ms 19020 KB Output is correct
11 Correct 12 ms 19084 KB Output is correct
12 Correct 12 ms 19020 KB Output is correct
13 Correct 12 ms 19020 KB Output is correct
14 Correct 14 ms 19076 KB Output is correct
15 Correct 13 ms 19020 KB Output is correct
16 Correct 12 ms 19020 KB Output is correct
17 Correct 12 ms 18992 KB Output is correct
18 Correct 12 ms 19056 KB Output is correct
19 Correct 11 ms 19020 KB Output is correct
20 Correct 12 ms 19020 KB Output is correct
21 Correct 12 ms 19020 KB Output is correct
22 Correct 12 ms 19008 KB Output is correct
23 Correct 12 ms 19008 KB Output is correct
24 Correct 12 ms 19020 KB Output is correct
25 Correct 12 ms 19020 KB Output is correct
26 Correct 12 ms 19084 KB Output is correct
27 Correct 12 ms 18996 KB Output is correct
28 Correct 12 ms 19020 KB Output is correct
29 Correct 12 ms 19020 KB Output is correct
30 Correct 12 ms 18976 KB Output is correct
31 Correct 12 ms 19076 KB Output is correct
32 Correct 12 ms 19020 KB Output is correct
33 Correct 12 ms 19020 KB Output is correct
34 Correct 12 ms 19100 KB Output is correct
35 Correct 13 ms 19096 KB Output is correct
36 Correct 12 ms 19020 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 19020 KB Output is correct
2 Correct 12 ms 19052 KB Output is correct
3 Correct 13 ms 19004 KB Output is correct
4 Correct 12 ms 19020 KB Output is correct
5 Correct 12 ms 19020 KB Output is correct
6 Correct 12 ms 19096 KB Output is correct
7 Correct 14 ms 19148 KB Output is correct
8 Correct 12 ms 19020 KB Output is correct
9 Correct 12 ms 18988 KB Output is correct
10 Correct 12 ms 19100 KB Output is correct
11 Correct 12 ms 18988 KB Output is correct
12 Correct 12 ms 19052 KB Output is correct
13 Correct 12 ms 19020 KB Output is correct
14 Correct 12 ms 18996 KB Output is correct
15 Correct 12 ms 19020 KB Output is correct
16 Correct 12 ms 19020 KB Output is correct
17 Correct 12 ms 19148 KB Output is correct
18 Correct 12 ms 19148 KB Output is correct
19 Correct 13 ms 19148 KB Output is correct
20 Correct 24 ms 20320 KB Output is correct
21 Correct 20 ms 20300 KB Output is correct
22 Correct 118 ms 31588 KB Output is correct
23 Correct 110 ms 31556 KB Output is correct
24 Correct 98 ms 31528 KB Output is correct
25 Correct 102 ms 31512 KB Output is correct
26 Correct 96 ms 32748 KB Output is correct
27 Correct 108 ms 32656 KB Output is correct
28 Correct 103 ms 32780 KB Output is correct
29 Correct 102 ms 32836 KB Output is correct
30 Correct 101 ms 32816 KB Output is correct
31 Correct 99 ms 32780 KB Output is correct
32 Correct 103 ms 32780 KB Output is correct
33 Correct 101 ms 32684 KB Output is correct
34 Correct 103 ms 32852 KB Output is correct
35 Correct 12 ms 19020 KB Output is correct
36 Correct 14 ms 19020 KB Output is correct
37 Correct 105 ms 32828 KB Output is correct
38 Correct 105 ms 32792 KB Output is correct
39 Correct 104 ms 32792 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 19044 KB Output is correct
2 Correct 13 ms 18972 KB Output is correct
3 Correct 11 ms 19020 KB Output is correct
4 Correct 12 ms 19020 KB Output is correct
5 Correct 107 ms 31600 KB Output is correct
6 Correct 130 ms 32788 KB Output is correct
7 Correct 104 ms 32804 KB Output is correct
8 Correct 92 ms 32788 KB Output is correct
9 Correct 93 ms 32792 KB Output is correct
10 Correct 139 ms 32924 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 19020 KB Output is correct
2 Correct 12 ms 19052 KB Output is correct
3 Correct 12 ms 19020 KB Output is correct
4 Correct 12 ms 19048 KB Output is correct
5 Correct 12 ms 19020 KB Output is correct
6 Correct 12 ms 19020 KB Output is correct
7 Correct 12 ms 19020 KB Output is correct
8 Correct 12 ms 19088 KB Output is correct
9 Correct 12 ms 19020 KB Output is correct
10 Correct 12 ms 19020 KB Output is correct
11 Correct 12 ms 19084 KB Output is correct
12 Correct 12 ms 19020 KB Output is correct
13 Correct 12 ms 19020 KB Output is correct
14 Correct 14 ms 19076 KB Output is correct
15 Correct 13 ms 19020 KB Output is correct
16 Correct 12 ms 19020 KB Output is correct
17 Correct 12 ms 18992 KB Output is correct
18 Correct 12 ms 19056 KB Output is correct
19 Correct 11 ms 19020 KB Output is correct
20 Correct 12 ms 19020 KB Output is correct
21 Correct 12 ms 19020 KB Output is correct
22 Correct 12 ms 19008 KB Output is correct
23 Correct 12 ms 19008 KB Output is correct
24 Correct 12 ms 19020 KB Output is correct
25 Correct 12 ms 19020 KB Output is correct
26 Correct 12 ms 19084 KB Output is correct
27 Correct 12 ms 18996 KB Output is correct
28 Correct 12 ms 19020 KB Output is correct
29 Correct 12 ms 19020 KB Output is correct
30 Correct 12 ms 18976 KB Output is correct
31 Correct 12 ms 19076 KB Output is correct
32 Correct 12 ms 19020 KB Output is correct
33 Correct 12 ms 19020 KB Output is correct
34 Correct 12 ms 19100 KB Output is correct
35 Correct 13 ms 19096 KB Output is correct
36 Correct 12 ms 19020 KB Output is correct
37 Correct 12 ms 19020 KB Output is correct
38 Correct 12 ms 18996 KB Output is correct
39 Correct 11 ms 19020 KB Output is correct
40 Correct 12 ms 19020 KB Output is correct
41 Correct 12 ms 19148 KB Output is correct
42 Correct 12 ms 19148 KB Output is correct
43 Correct 13 ms 19196 KB Output is correct
44 Correct 12 ms 19148 KB Output is correct
45 Correct 13 ms 19104 KB Output is correct
46 Correct 13 ms 19216 KB Output is correct
47 Correct 13 ms 19220 KB Output is correct
48 Correct 13 ms 19148 KB Output is correct
49 Correct 12 ms 19184 KB Output is correct
50 Correct 12 ms 19152 KB Output is correct
51 Correct 12 ms 19148 KB Output is correct
52 Correct 12 ms 19144 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 19020 KB Output is correct
2 Correct 12 ms 19052 KB Output is correct
3 Correct 12 ms 19020 KB Output is correct
4 Correct 12 ms 19048 KB Output is correct
5 Correct 12 ms 19020 KB Output is correct
6 Correct 12 ms 19020 KB Output is correct
7 Correct 12 ms 19020 KB Output is correct
8 Correct 12 ms 19088 KB Output is correct
9 Correct 12 ms 19020 KB Output is correct
10 Correct 12 ms 19020 KB Output is correct
11 Correct 12 ms 19084 KB Output is correct
12 Correct 12 ms 19020 KB Output is correct
13 Correct 12 ms 19020 KB Output is correct
14 Correct 14 ms 19076 KB Output is correct
15 Correct 13 ms 19020 KB Output is correct
16 Correct 12 ms 19020 KB Output is correct
17 Correct 12 ms 18992 KB Output is correct
18 Correct 12 ms 19056 KB Output is correct
19 Correct 11 ms 19020 KB Output is correct
20 Correct 12 ms 19020 KB Output is correct
21 Correct 12 ms 19020 KB Output is correct
22 Correct 12 ms 19008 KB Output is correct
23 Correct 12 ms 19008 KB Output is correct
24 Correct 12 ms 19020 KB Output is correct
25 Correct 12 ms 19020 KB Output is correct
26 Correct 12 ms 19084 KB Output is correct
27 Correct 12 ms 18996 KB Output is correct
28 Correct 12 ms 19020 KB Output is correct
29 Correct 12 ms 19020 KB Output is correct
30 Correct 12 ms 18976 KB Output is correct
31 Correct 12 ms 19076 KB Output is correct
32 Correct 12 ms 19020 KB Output is correct
33 Correct 12 ms 19020 KB Output is correct
34 Correct 12 ms 19100 KB Output is correct
35 Correct 13 ms 19096 KB Output is correct
36 Correct 12 ms 19020 KB Output is correct
37 Correct 13 ms 19004 KB Output is correct
38 Correct 12 ms 19020 KB Output is correct
39 Correct 12 ms 19020 KB Output is correct
40 Correct 12 ms 19096 KB Output is correct
41 Correct 14 ms 19148 KB Output is correct
42 Correct 12 ms 19020 KB Output is correct
43 Correct 12 ms 18988 KB Output is correct
44 Correct 12 ms 19100 KB Output is correct
45 Correct 12 ms 18988 KB Output is correct
46 Correct 12 ms 19052 KB Output is correct
47 Correct 12 ms 19020 KB Output is correct
48 Correct 12 ms 18996 KB Output is correct
49 Correct 12 ms 19020 KB Output is correct
50 Correct 12 ms 19020 KB Output is correct
51 Correct 12 ms 19148 KB Output is correct
52 Correct 12 ms 19148 KB Output is correct
53 Correct 13 ms 19148 KB Output is correct
54 Correct 24 ms 20320 KB Output is correct
55 Correct 20 ms 20300 KB Output is correct
56 Correct 118 ms 31588 KB Output is correct
57 Correct 110 ms 31556 KB Output is correct
58 Correct 98 ms 31528 KB Output is correct
59 Correct 102 ms 31512 KB Output is correct
60 Correct 96 ms 32748 KB Output is correct
61 Correct 108 ms 32656 KB Output is correct
62 Correct 103 ms 32780 KB Output is correct
63 Correct 102 ms 32836 KB Output is correct
64 Correct 101 ms 32816 KB Output is correct
65 Correct 99 ms 32780 KB Output is correct
66 Correct 103 ms 32780 KB Output is correct
67 Correct 101 ms 32684 KB Output is correct
68 Correct 103 ms 32852 KB Output is correct
69 Correct 12 ms 19020 KB Output is correct
70 Correct 14 ms 19020 KB Output is correct
71 Correct 105 ms 32828 KB Output is correct
72 Correct 105 ms 32792 KB Output is correct
73 Correct 104 ms 32792 KB Output is correct
74 Correct 11 ms 19044 KB Output is correct
75 Correct 13 ms 18972 KB Output is correct
76 Correct 11 ms 19020 KB Output is correct
77 Correct 12 ms 19020 KB Output is correct
78 Correct 107 ms 31600 KB Output is correct
79 Correct 130 ms 32788 KB Output is correct
80 Correct 104 ms 32804 KB Output is correct
81 Correct 92 ms 32788 KB Output is correct
82 Correct 93 ms 32792 KB Output is correct
83 Correct 139 ms 32924 KB Output is correct
84 Correct 12 ms 19020 KB Output is correct
85 Correct 12 ms 18996 KB Output is correct
86 Correct 11 ms 19020 KB Output is correct
87 Correct 12 ms 19020 KB Output is correct
88 Correct 12 ms 19148 KB Output is correct
89 Correct 12 ms 19148 KB Output is correct
90 Correct 13 ms 19196 KB Output is correct
91 Correct 12 ms 19148 KB Output is correct
92 Correct 13 ms 19104 KB Output is correct
93 Correct 13 ms 19216 KB Output is correct
94 Correct 13 ms 19220 KB Output is correct
95 Correct 13 ms 19148 KB Output is correct
96 Correct 12 ms 19184 KB Output is correct
97 Correct 12 ms 19152 KB Output is correct
98 Correct 12 ms 19148 KB Output is correct
99 Correct 12 ms 19144 KB Output is correct
100 Correct 14 ms 19104 KB Output is correct
101 Correct 19 ms 20428 KB Output is correct
102 Correct 21 ms 20372 KB Output is correct
103 Correct 148 ms 32816 KB Output is correct
104 Correct 106 ms 32740 KB Output is correct
105 Correct 150 ms 32788 KB Output is correct
106 Correct 120 ms 32764 KB Output is correct
107 Correct 143 ms 32788 KB Output is correct
108 Correct 125 ms 32736 KB Output is correct
109 Correct 91 ms 32868 KB Output is correct
110 Correct 103 ms 32848 KB Output is correct
111 Correct 102 ms 32836 KB Output is correct
112 Correct 125 ms 32796 KB Output is correct
113 Correct 142 ms 32840 KB Output is correct
114 Correct 113 ms 32836 KB Output is correct
115 Correct 99 ms 32780 KB Output is correct