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답안 #230182

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
230182 2020-05-09T01:20:27 Z chubyxdxd Arranging Shoes (IOI19_shoes) C++17
100 / 100
 205 ms 31816 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll tree[200100];
ll tam;
void update(ll pos,ll val){
  while(pos<=tam){
    tree[pos]+=val;
    pos+=(pos&-pos);
  }
}
ll query(ll pos){
  ll curr=0;
  while(pos>0){
    curr+=tree[pos];
    pos-=(pos&-pos);
  }
  return curr;
}
unordered_map<ll,set<ll> > mp;
long long count_swaps(std::vector<int> s) {
  tam=s.size();
  bool vis[tam];
  memset(vis,false,sizeof vis);
  for(int i=0;i<tam;i++){
    mp[s[i]].insert(i);
  }
  set<ll>::iterator it,it1;
  ll ans=0;
  for(int i=0;i<tam-1;i++){
    if(vis[i])continue;
    vis[i]=true;
    mp[s[i]].erase(i);
    if(s[i]>0){
      it=mp[(s[i]*-1)].begin();
      mp[s[i]*-1].erase(it);
      ll aux=*it;
      ll curr=i+query(i+1ll);
      ll curr1=aux+query(aux+1ll);
      ll currans=curr1-curr;
      vis[aux]=true;
      update(i+1,1);
      update(aux+1,-1);
      ans+=currans;
    }
    else{
      it=mp[s[i]*-1].begin();
      mp[s[i]*-1].erase(it);
      ll aux=*it;
      ll curr=i+query(i+1ll);
      ll curr1=aux+query(aux+1ll);
      ll currans=curr1-(curr+1);
      ans+=currans;
      vis[aux]=true;
      //cout<<currans<<endl;
      if(currans!=0){
	update(i+2,1);
	update(aux+1,-1);
      }
    }
  }
  return ans;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 256 KB Output is correct
2 Correct 4 ms 256 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 256 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 4 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 4 ms 256 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 4 ms 256 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 5 ms 256 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 4 ms 256 KB Output is correct
21 Correct 5 ms 256 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 256 KB Output is correct
25 Correct 4 ms 256 KB Output is correct
26 Correct 5 ms 256 KB Output is correct
27 Correct 5 ms 256 KB Output is correct
28 Correct 4 ms 384 KB Output is correct
29 Correct 5 ms 256 KB Output is correct
30 Correct 4 ms 256 KB Output is correct
31 Correct 5 ms 256 KB Output is correct
32 Correct 5 ms 256 KB Output is correct
33 Correct 5 ms 256 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 5 ms 256 KB Output is correct
36 Correct 4 ms 256 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 256 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 4 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 4 ms 256 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 5 ms 416 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 12 ms 1664 KB Output is correct
21 Correct 12 ms 1664 KB Output is correct
22 Correct 88 ms 14332 KB Output is correct
23 Correct 97 ms 12796 KB Output is correct
24 Correct 87 ms 14328 KB Output is correct
25 Correct 99 ms 14072 KB Output is correct
26 Correct 92 ms 14328 KB Output is correct
27 Correct 102 ms 14072 KB Output is correct
28 Correct 97 ms 14328 KB Output is correct
29 Correct 95 ms 14328 KB Output is correct
30 Correct 101 ms 14328 KB Output is correct
31 Correct 86 ms 14328 KB Output is correct
32 Correct 95 ms 14328 KB Output is correct
33 Correct 94 ms 14072 KB Output is correct
34 Correct 96 ms 14328 KB Output is correct
35 Correct 5 ms 256 KB Output is correct
36 Correct 5 ms 384 KB Output is correct
37 Correct 95 ms 14328 KB Output is correct
38 Correct 96 ms 14328 KB Output is correct
39 Correct 97 ms 14328 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 146 ms 31816 KB Output is correct
6 Correct 155 ms 15864 KB Output is correct
7 Correct 146 ms 31676 KB Output is correct
8 Correct 94 ms 14328 KB Output is correct
9 Correct 152 ms 31680 KB Output is correct
10 Correct 175 ms 23048 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 256 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 4 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 4 ms 256 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 4 ms 256 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 5 ms 256 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 4 ms 256 KB Output is correct
21 Correct 5 ms 256 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 256 KB Output is correct
25 Correct 4 ms 256 KB Output is correct
26 Correct 5 ms 256 KB Output is correct
27 Correct 5 ms 256 KB Output is correct
28 Correct 4 ms 384 KB Output is correct
29 Correct 5 ms 256 KB Output is correct
30 Correct 4 ms 256 KB Output is correct
31 Correct 5 ms 256 KB Output is correct
32 Correct 5 ms 256 KB Output is correct
33 Correct 5 ms 256 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 5 ms 256 KB Output is correct
36 Correct 4 ms 256 KB Output is correct
37 Correct 5 ms 384 KB Output is correct
38 Correct 5 ms 384 KB Output is correct
39 Correct 5 ms 384 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 5 ms 640 KB Output is correct
42 Correct 5 ms 640 KB Output is correct
43 Correct 6 ms 640 KB Output is correct
44 Correct 5 ms 640 KB Output is correct
45 Correct 5 ms 512 KB Output is correct
46 Correct 5 ms 512 KB Output is correct
47 Correct 5 ms 512 KB Output is correct
48 Correct 5 ms 512 KB Output is correct
49 Correct 5 ms 512 KB Output is correct
50 Correct 5 ms 384 KB Output is correct
51 Correct 5 ms 512 KB Output is correct
52 Correct 5 ms 640 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 256 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 4 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 4 ms 256 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 4 ms 256 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 5 ms 256 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 4 ms 256 KB Output is correct
21 Correct 5 ms 256 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 256 KB Output is correct
25 Correct 4 ms 256 KB Output is correct
26 Correct 5 ms 256 KB Output is correct
27 Correct 5 ms 256 KB Output is correct
28 Correct 4 ms 384 KB Output is correct
29 Correct 5 ms 256 KB Output is correct
30 Correct 4 ms 256 KB Output is correct
31 Correct 5 ms 256 KB Output is correct
32 Correct 5 ms 256 KB Output is correct
33 Correct 5 ms 256 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 5 ms 256 KB Output is correct
36 Correct 4 ms 256 KB Output is correct
37 Correct 5 ms 256 KB Output is correct
38 Correct 4 ms 384 KB Output is correct
39 Correct 4 ms 384 KB Output is correct
40 Correct 4 ms 384 KB Output is correct
41 Correct 4 ms 384 KB Output is correct
42 Correct 5 ms 256 KB Output is correct
43 Correct 5 ms 256 KB Output is correct
44 Correct 4 ms 256 KB Output is correct
45 Correct 5 ms 256 KB Output is correct
46 Correct 5 ms 384 KB Output is correct
47 Correct 4 ms 256 KB Output is correct
48 Correct 5 ms 384 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 4 ms 384 KB Output is correct
51 Correct 5 ms 416 KB Output is correct
52 Correct 5 ms 384 KB Output is correct
53 Correct 5 ms 384 KB Output is correct
54 Correct 12 ms 1664 KB Output is correct
55 Correct 12 ms 1664 KB Output is correct
56 Correct 88 ms 14332 KB Output is correct
57 Correct 97 ms 12796 KB Output is correct
58 Correct 87 ms 14328 KB Output is correct
59 Correct 99 ms 14072 KB Output is correct
60 Correct 92 ms 14328 KB Output is correct
61 Correct 102 ms 14072 KB Output is correct
62 Correct 97 ms 14328 KB Output is correct
63 Correct 95 ms 14328 KB Output is correct
64 Correct 101 ms 14328 KB Output is correct
65 Correct 86 ms 14328 KB Output is correct
66 Correct 95 ms 14328 KB Output is correct
67 Correct 94 ms 14072 KB Output is correct
68 Correct 96 ms 14328 KB Output is correct
69 Correct 5 ms 256 KB Output is correct
70 Correct 5 ms 384 KB Output is correct
71 Correct 95 ms 14328 KB Output is correct
72 Correct 96 ms 14328 KB Output is correct
73 Correct 97 ms 14328 KB Output is correct
74 Correct 5 ms 384 KB Output is correct
75 Correct 4 ms 256 KB Output is correct
76 Correct 4 ms 256 KB Output is correct
77 Correct 5 ms 384 KB Output is correct
78 Correct 146 ms 31816 KB Output is correct
79 Correct 155 ms 15864 KB Output is correct
80 Correct 146 ms 31676 KB Output is correct
81 Correct 94 ms 14328 KB Output is correct
82 Correct 152 ms 31680 KB Output is correct
83 Correct 175 ms 23048 KB Output is correct
84 Correct 5 ms 384 KB Output is correct
85 Correct 5 ms 384 KB Output is correct
86 Correct 5 ms 384 KB Output is correct
87 Correct 5 ms 384 KB Output is correct
88 Correct 5 ms 640 KB Output is correct
89 Correct 5 ms 640 KB Output is correct
90 Correct 6 ms 640 KB Output is correct
91 Correct 5 ms 640 KB Output is correct
92 Correct 5 ms 512 KB Output is correct
93 Correct 5 ms 512 KB Output is correct
94 Correct 5 ms 512 KB Output is correct
95 Correct 5 ms 512 KB Output is correct
96 Correct 5 ms 512 KB Output is correct
97 Correct 5 ms 384 KB Output is correct
98 Correct 5 ms 512 KB Output is correct
99 Correct 5 ms 640 KB Output is correct
100 Correct 6 ms 640 KB Output is correct
101 Correct 14 ms 3328 KB Output is correct
102 Correct 14 ms 2048 KB Output is correct
103 Correct 205 ms 31676 KB Output is correct
104 Correct 147 ms 30140 KB Output is correct
105 Correct 201 ms 24956 KB Output is correct
106 Correct 160 ms 31676 KB Output is correct
107 Correct 171 ms 16248 KB Output is correct
108 Correct 159 ms 18216 KB Output is correct
109 Correct 85 ms 14296 KB Output is correct
110 Correct 94 ms 14264 KB Output is correct
111 Correct 158 ms 30012 KB Output is correct
112 Correct 196 ms 28220 KB Output is correct
113 Correct 195 ms 16504 KB Output is correct
114 Correct 165 ms 31676 KB Output is correct
115 Correct 146 ms 31676 KB Output is correct