oj.uz

Submission #916249

# Submission time Handle Problem Language Result Execution time Memory
916249 2024-01-25T14:29:42 Z Aiperiii Arranging Shoes (IOI19_shoes) C++14
100 / 100
 191 ms 36592 KB 
#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;
#define all(x) x.begin(),x.end()
#define ff first
#define ss second
#define pb push_back
const int N=2e5+5;
long long t[N*4];
void build(int v,int tl,int tr){
   if(tl==tr)t[v]=1;
   else{
      int tm=(tl+tr)/2;
      build(v*2,tl,tm);
      build(v*2+1,tm+1,tr);
      t[v]=t[v*2]+t[v*2+1];
   }
}
void update(int v,int tl,int tr,int pos){
   if(tl==tr)t[v]=0;
   else{
      int tm=(tl+tr)/2;
      if(pos<=tm)update(v*2,tl,tm,pos);
      else update(v*2+1,tm+1,tr,pos);
      t[v]=t[v*2]+t[v*2+1];
   }
}
long long get(int v,int tl,int tr,int l,int r){
   if(r<tl or tr<l)return 0;
   if(l<=tl && tr<=r)return t[v];
   int tm=(tl+tr)/2;
   return get(v*2,tl,tm,l,r)+get(v*2+1,tm+1,tr,l,r);
}
 
 
long long count_swaps(vector<int> s) {
    int n=s.size();
    s.insert(s.begin(),0);
    build(1,1,n);
   set <int > v1[n+1],v0[n+1];
   vector <int> used(n+1);
   for(int i=1;i<=n;i++){
      
      if(s[i]>0)v1[s[i]].insert(i);
      if(s[i]<0)v0[-s[i]].insert(i);
   }
    long long ans=0;
    for(int i=1;i<=n;i++){
       if(used[i])continue;
        if(s[i]>0){
            auto r=v0[s[i]].upper_bound(i);
            used[*r]=1;
   
            update(1,1,n,i);
            update(1,1,n,*r);
            ans+=get(1,1,n,i,*r);
            ans++;
           v0[s[i]].erase(r);
        }
        else{
            auto r=v1[-s[i]].upper_bound(i);
           used[*r]=1;
            update(1,1,n,i);
            update(1,1,n,*r);
            ans+=get(1,1,n,i,*r);
           v1[-s[i]].erase(r);
        }
       used[i]=1;
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 432 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 448 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 444 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 444 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 9 ms 5644 KB Output is correct
21 Correct 9 ms 5976 KB Output is correct
22 Correct 107 ms 35136 KB Output is correct
23 Correct 112 ms 35012 KB Output is correct
24 Correct 106 ms 35256 KB Output is correct
25 Correct 106 ms 35000 KB Output is correct
26 Correct 106 ms 35016 KB Output is correct
27 Correct 104 ms 35136 KB Output is correct
28 Correct 116 ms 35060 KB Output is correct
29 Correct 106 ms 35236 KB Output is correct
30 Correct 109 ms 35140 KB Output is correct
31 Correct 107 ms 35140 KB Output is correct
32 Correct 106 ms 35140 KB Output is correct
33 Correct 113 ms 35144 KB Output is correct
34 Correct 109 ms 35236 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 109 ms 35240 KB Output is correct
38 Correct 106 ms 35140 KB Output is correct
39 Correct 112 ms 35068 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 98 ms 35016 KB Output is correct
6 Correct 125 ms 35136 KB Output is correct
7 Correct 101 ms 36484 KB Output is correct
8 Correct 108 ms 36420 KB Output is correct
9 Correct 124 ms 36496 KB Output is correct
10 Correct 114 ms 36284 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 432 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 448 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 444 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 444 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 344 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 604 KB Output is correct
42 Correct 1 ms 604 KB Output is correct
43 Correct 1 ms 604 KB Output is correct
44 Correct 1 ms 604 KB Output is correct
45 Correct 2 ms 600 KB Output is correct
46 Correct 1 ms 604 KB Output is correct
47 Correct 1 ms 604 KB Output is correct
48 Correct 1 ms 600 KB Output is correct
49 Correct 1 ms 600 KB Output is correct
50 Correct 1 ms 604 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
52 Correct 1 ms 604 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 432 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 448 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 444 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 444 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 344 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 604 KB Output is correct
53 Correct 1 ms 604 KB Output is correct
54 Correct 9 ms 5644 KB Output is correct
55 Correct 9 ms 5976 KB Output is correct
56 Correct 107 ms 35136 KB Output is correct
57 Correct 112 ms 35012 KB Output is correct
58 Correct 106 ms 35256 KB Output is correct
59 Correct 106 ms 35000 KB Output is correct
60 Correct 106 ms 35016 KB Output is correct
61 Correct 104 ms 35136 KB Output is correct
62 Correct 116 ms 35060 KB Output is correct
63 Correct 106 ms 35236 KB Output is correct
64 Correct 109 ms 35140 KB Output is correct
65 Correct 107 ms 35140 KB Output is correct
66 Correct 106 ms 35140 KB Output is correct
67 Correct 113 ms 35144 KB Output is correct
68 Correct 109 ms 35236 KB Output is correct
69 Correct 1 ms 344 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 109 ms 35240 KB Output is correct
72 Correct 106 ms 35140 KB Output is correct
73 Correct 112 ms 35068 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 0 ms 348 KB Output is correct
76 Correct 0 ms 348 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 98 ms 35016 KB Output is correct
79 Correct 125 ms 35136 KB Output is correct
80 Correct 101 ms 36484 KB Output is correct
81 Correct 108 ms 36420 KB Output is correct
82 Correct 124 ms 36496 KB Output is correct
83 Correct 114 ms 36284 KB Output is correct
84 Correct 1 ms 344 KB Output is correct
85 Correct 1 ms 348 KB Output is correct
86 Correct 1 ms 348 KB Output is correct
87 Correct 1 ms 348 KB Output is correct
88 Correct 1 ms 604 KB Output is correct
89 Correct 1 ms 604 KB Output is correct
90 Correct 1 ms 604 KB Output is correct
91 Correct 1 ms 604 KB Output is correct
92 Correct 2 ms 600 KB Output is correct
93 Correct 1 ms 604 KB Output is correct
94 Correct 1 ms 604 KB Output is correct
95 Correct 1 ms 600 KB Output is correct
96 Correct 1 ms 600 KB Output is correct
97 Correct 1 ms 604 KB Output is correct
98 Correct 1 ms 604 KB Output is correct
99 Correct 1 ms 604 KB Output is correct
100 Correct 1 ms 604 KB Output is correct
101 Correct 10 ms 5752 KB Output is correct
102 Correct 10 ms 5724 KB Output is correct
103 Correct 191 ms 36384 KB Output is correct
104 Correct 124 ms 36276 KB Output is correct
105 Correct 160 ms 36412 KB Output is correct
106 Correct 109 ms 36256 KB Output is correct
107 Correct 123 ms 36416 KB Output is correct
108 Correct 129 ms 36592 KB Output is correct
109 Correct 102 ms 36328 KB Output is correct
110 Correct 110 ms 36512 KB Output is correct
111 Correct 109 ms 36492 KB Output is correct
112 Correct 190 ms 36392 KB Output is correct
113 Correct 133 ms 36416 KB Output is correct
114 Correct 101 ms 36416 KB Output is correct
115 Correct 107 ms 36416 KB Output is correct