oj.uz

Submission #811026

# Submission time Handle Problem Language Result Execution time Memory
811026 2023-08-06T20:57:01 Z Essa2006 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 364 ms 155348 KB 
#include<bits/stdc++.h>
#include "shoes.h"
#include <cstdio>
#include <cassert>
using namespace std;
#define ll long long 
#define endl '\n'
#define FF firtst
#define SS second
#define all(a) a.begin(), a.end()
#define mod (ll)(1000000007)
const int pr=20, s_p=(1<<pr), e_p=(1<<(pr+1))-1;
vector<int>SS;
map<int, queue<int>>mp;
void pre(){
    SS.clear(), mp.clear();
    SS.resize(1<<(pr+1));
}
void update(int id, int u, int v, int l, int r){
    if(l>v || r<u)
        return;
    if(l>=u && r<=v){
        SS[id]++;
        return;
    }
    int md=(l+r)/2;
    update(id*2, u, v, l, md);
    update(id*2+1, u, v, md+1, r);
        
}
int get(int ind){
    ll res=SS[ind];
    while(ind/=2)
        res+=SS[ind];
    return res;
}
ll count_swaps(vector<int> A){
    int n=A.size();
    pre();
    ll ans=0;
    for(int i=0;i<n;i++){
        if(A[i]>0 && !mp[-A[i]].empty()){
            int u=mp[-A[i]].front();
            mp[-A[i]].pop();
            ans+=i-u-get(u+s_p)-1;
            if(u!=i-1)
                update(1, u+1+s_p, i-1+s_p, s_p, e_p);
        }
        else if(A[i]<0 && !mp[-A[i]].empty()){
            int u=mp[-A[i]].front();
            mp[-A[i]].pop();
            ans+=i-u-get(u+s_p);
            update(1, u+s_p, i-1+s_p, s_p, e_p);
        }
        else{
            mp[A[i]].push(i);
        }
    }
    return ans;
    
}
//ll count_swaps2(vector<int> A){
//    bool same=1;
//    int n=A.size();
//    for(int i=1;i<n;i++){
//        if(abs(A[i])!=abs(A[i-1]))
//            same=0;
//    }
//    if(n/2<=1000){
//        int ans=0;
//        for(int i=0;i<n;i++){
//            if(A[i]>0){
//                bool found=0;
//                int ind=0;
//                for(int j=0;j<i;j++){
//                    if(-A[j]==A[i] && A[j+1]!=-A[j]){
//                        found=1;
//                        ind=j;
//                        break;
//                    }
//                }
//                if(found){
//                    for(int j=i-1;j>ind;j--){
//                        swap(A[j], A[j+1]);
//                        ans++;
//                    }
//                }
//            }
//            else if(A[i]<0){
//                bool found=0;
//                int ind=0;
//                for(int j=0;j<i;j++){
//                    if(-A[j]==A[i] && (!j || A[j]!=-A[j-1])){
//                        found=1;
//                        ind=j;
//                        break;
//                    }
//                }
//                if(found){
//                    for(int j=i-1;j>=ind;j--){
//                        swap(A[j], A[j+1]);
//                        ans++;
//                    }
//                }
//            }
//        }
//        return ans;
//    }
//    if(n/2>1000 && !same){
//        ll ans=A.size()/2;
//        return ans*(ans-1)/2;
//    }
//    
//} 
// 
//int main() {
//    for(int k=1;k<=8;k++){
//        vector<int>S;
//        for(int i=1;i<=k;i++){
//            S.push_back(i);
//            S.push_back(-i);
//        }
//        sort(all(S));
//        do{
//            long long result1 = count_swaps(S), result2=count_swaps2(S);
//            if(result1!=result2){
//                cout<<S.size()<<endl;
//                for(int i=0;i<S.size();i++){
//                    cout<<S[i]<<' ';
//                }
//                cout<<endl;
//                cout<<"Cor "<<result2<<endl<<"Wro "<<result1;
//                return 0;
//            }
//        }
//        while(next_permutation(all(S)));
//    }
//}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8404 KB Output is correct
2 Correct 3 ms 8404 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8404 KB Output is correct
2 Correct 3 ms 8404 KB Output is correct
3 Correct 4 ms 8404 KB Output is correct
4 Correct 3 ms 8404 KB Output is correct
5 Correct 3 ms 8404 KB Output is correct
6 Correct 3 ms 8404 KB Output is correct
7 Correct 3 ms 8404 KB Output is correct
8 Correct 3 ms 8404 KB Output is correct
9 Correct 3 ms 8404 KB Output is correct
10 Correct 3 ms 8404 KB Output is correct
11 Correct 3 ms 8404 KB Output is correct
12 Correct 3 ms 8404 KB Output is correct
13 Correct 3 ms 8404 KB Output is correct
14 Correct 3 ms 8404 KB Output is correct
15 Correct 3 ms 8404 KB Output is correct
16 Correct 3 ms 8404 KB Output is correct
17 Correct 3 ms 8492 KB Output is correct
18 Correct 3 ms 8404 KB Output is correct
19 Correct 3 ms 8492 KB Output is correct
20 Correct 3 ms 8492 KB Output is correct
21 Correct 3 ms 8404 KB Output is correct
22 Correct 3 ms 8488 KB Output is correct
23 Correct 3 ms 8404 KB Output is correct
24 Correct 3 ms 8488 KB Output is correct
25 Correct 3 ms 8532 KB Output is correct
26 Correct 3 ms 8532 KB Output is correct
27 Correct 3 ms 8496 KB Output is correct
28 Correct 3 ms 8532 KB Output is correct
29 Correct 3 ms 8404 KB Output is correct
30 Correct 3 ms 8404 KB Output is correct
31 Correct 3 ms 8488 KB Output is correct
32 Correct 3 ms 8532 KB Output is correct
33 Correct 3 ms 8532 KB Output is correct
34 Correct 3 ms 8404 KB Output is correct
35 Correct 3 ms 8532 KB Output is correct
36 Correct 3 ms 8404 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8404 KB Output is correct
2 Correct 3 ms 8404 KB Output is correct
3 Correct 4 ms 8404 KB Output is correct
4 Correct 3 ms 8404 KB Output is correct
5 Correct 3 ms 8404 KB Output is correct
6 Correct 3 ms 8404 KB Output is correct
7 Correct 3 ms 8404 KB Output is correct
8 Correct 3 ms 8404 KB Output is correct
9 Correct 3 ms 8404 KB Output is correct
10 Correct 3 ms 8404 KB Output is correct
11 Correct 3 ms 8404 KB Output is correct
12 Correct 3 ms 8404 KB Output is correct
13 Correct 3 ms 8404 KB Output is correct
14 Correct 3 ms 8404 KB Output is correct
15 Correct 3 ms 8404 KB Output is correct
16 Correct 3 ms 8404 KB Output is correct
17 Correct 3 ms 8532 KB Output is correct
18 Correct 4 ms 8532 KB Output is correct
19 Correct 3 ms 8532 KB Output is correct
20 Correct 6 ms 8660 KB Output is correct
21 Correct 6 ms 8660 KB Output is correct
22 Correct 36 ms 11348 KB Output is correct
23 Correct 21 ms 11308 KB Output is correct
24 Correct 34 ms 11320 KB Output is correct
25 Correct 38 ms 11572 KB Output is correct
26 Correct 36 ms 11344 KB Output is correct
27 Correct 29 ms 11056 KB Output is correct
28 Correct 38 ms 11760 KB Output is correct
29 Correct 38 ms 11688 KB Output is correct
30 Correct 39 ms 11756 KB Output is correct
31 Correct 36 ms 11320 KB Output is correct
32 Correct 43 ms 11828 KB Output is correct
33 Correct 37 ms 11560 KB Output is correct
34 Correct 38 ms 11732 KB Output is correct
35 Correct 3 ms 8404 KB Output is correct
36 Correct 3 ms 8488 KB Output is correct
37 Correct 38 ms 11696 KB Output is correct
38 Correct 38 ms 11752 KB Output is correct
39 Correct 38 ms 11724 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8404 KB Output is correct
2 Correct 3 ms 8404 KB Output is correct
3 Correct 3 ms 8404 KB Output is correct
4 Correct 3 ms 8404 KB Output is correct
5 Correct 335 ms 153976 KB Output is correct
6 Correct 107 ms 23860 KB Output is correct
7 Correct 330 ms 155296 KB Output is correct
8 Correct 40 ms 11724 KB Output is correct
9 Correct 327 ms 155348 KB Output is correct
10 Correct 229 ms 83328 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8404 KB Output is correct
2 Correct 3 ms 8404 KB Output is correct
3 Correct 4 ms 8404 KB Output is correct
4 Correct 3 ms 8404 KB Output is correct
5 Correct 3 ms 8404 KB Output is correct
6 Correct 3 ms 8404 KB Output is correct
7 Correct 3 ms 8404 KB Output is correct
8 Correct 3 ms 8404 KB Output is correct
9 Correct 3 ms 8404 KB Output is correct
10 Correct 3 ms 8404 KB Output is correct
11 Correct 3 ms 8404 KB Output is correct
12 Correct 3 ms 8404 KB Output is correct
13 Correct 3 ms 8404 KB Output is correct
14 Correct 3 ms 8404 KB Output is correct
15 Correct 3 ms 8404 KB Output is correct
16 Correct 3 ms 8404 KB Output is correct
17 Correct 3 ms 8492 KB Output is correct
18 Correct 3 ms 8404 KB Output is correct
19 Correct 3 ms 8492 KB Output is correct
20 Correct 3 ms 8492 KB Output is correct
21 Correct 3 ms 8404 KB Output is correct
22 Correct 3 ms 8488 KB Output is correct
23 Correct 3 ms 8404 KB Output is correct
24 Correct 3 ms 8488 KB Output is correct
25 Correct 3 ms 8532 KB Output is correct
26 Correct 3 ms 8532 KB Output is correct
27 Correct 3 ms 8496 KB Output is correct
28 Correct 3 ms 8532 KB Output is correct
29 Correct 3 ms 8404 KB Output is correct
30 Correct 3 ms 8404 KB Output is correct
31 Correct 3 ms 8488 KB Output is correct
32 Correct 3 ms 8532 KB Output is correct
33 Correct 3 ms 8532 KB Output is correct
34 Correct 3 ms 8404 KB Output is correct
35 Correct 3 ms 8532 KB Output is correct
36 Correct 3 ms 8404 KB Output is correct
37 Correct 3 ms 8532 KB Output is correct
38 Correct 3 ms 8532 KB Output is correct
39 Correct 3 ms 8660 KB Output is correct
40 Correct 3 ms 8788 KB Output is correct
41 Correct 4 ms 9940 KB Output is correct
42 Correct 4 ms 9904 KB Output is correct
43 Correct 5 ms 9684 KB Output is correct
44 Correct 4 ms 9524 KB Output is correct
45 Correct 4 ms 9428 KB Output is correct
46 Correct 4 ms 9232 KB Output is correct
47 Correct 4 ms 9136 KB Output is correct
48 Correct 4 ms 8916 KB Output is correct
49 Correct 4 ms 8788 KB Output is correct
50 Correct 4 ms 8532 KB Output is correct
51 Correct 3 ms 8532 KB Output is correct
52 Correct 4 ms 9908 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8404 KB Output is correct
2 Correct 3 ms 8404 KB Output is correct
3 Correct 4 ms 8404 KB Output is correct
4 Correct 3 ms 8404 KB Output is correct
5 Correct 3 ms 8404 KB Output is correct
6 Correct 3 ms 8404 KB Output is correct
7 Correct 3 ms 8404 KB Output is correct
8 Correct 3 ms 8404 KB Output is correct
9 Correct 3 ms 8404 KB Output is correct
10 Correct 3 ms 8404 KB Output is correct
11 Correct 3 ms 8404 KB Output is correct
12 Correct 3 ms 8404 KB Output is correct
13 Correct 3 ms 8404 KB Output is correct
14 Correct 3 ms 8404 KB Output is correct
15 Correct 3 ms 8404 KB Output is correct
16 Correct 3 ms 8404 KB Output is correct
17 Correct 3 ms 8492 KB Output is correct
18 Correct 3 ms 8404 KB Output is correct
19 Correct 3 ms 8492 KB Output is correct
20 Correct 3 ms 8492 KB Output is correct
21 Correct 3 ms 8404 KB Output is correct
22 Correct 3 ms 8488 KB Output is correct
23 Correct 3 ms 8404 KB Output is correct
24 Correct 3 ms 8488 KB Output is correct
25 Correct 3 ms 8532 KB Output is correct
26 Correct 3 ms 8532 KB Output is correct
27 Correct 3 ms 8496 KB Output is correct
28 Correct 3 ms 8532 KB Output is correct
29 Correct 3 ms 8404 KB Output is correct
30 Correct 3 ms 8404 KB Output is correct
31 Correct 3 ms 8488 KB Output is correct
32 Correct 3 ms 8532 KB Output is correct
33 Correct 3 ms 8532 KB Output is correct
34 Correct 3 ms 8404 KB Output is correct
35 Correct 3 ms 8532 KB Output is correct
36 Correct 3 ms 8404 KB Output is correct
37 Correct 4 ms 8404 KB Output is correct
38 Correct 3 ms 8404 KB Output is correct
39 Correct 3 ms 8404 KB Output is correct
40 Correct 3 ms 8404 KB Output is correct
41 Correct 3 ms 8404 KB Output is correct
42 Correct 3 ms 8404 KB Output is correct
43 Correct 3 ms 8404 KB Output is correct
44 Correct 3 ms 8404 KB Output is correct
45 Correct 3 ms 8404 KB Output is correct
46 Correct 3 ms 8404 KB Output is correct
47 Correct 3 ms 8404 KB Output is correct
48 Correct 3 ms 8404 KB Output is correct
49 Correct 3 ms 8404 KB Output is correct
50 Correct 3 ms 8404 KB Output is correct
51 Correct 3 ms 8532 KB Output is correct
52 Correct 4 ms 8532 KB Output is correct
53 Correct 3 ms 8532 KB Output is correct
54 Correct 6 ms 8660 KB Output is correct
55 Correct 6 ms 8660 KB Output is correct
56 Correct 36 ms 11348 KB Output is correct
57 Correct 21 ms 11308 KB Output is correct
58 Correct 34 ms 11320 KB Output is correct
59 Correct 38 ms 11572 KB Output is correct
60 Correct 36 ms 11344 KB Output is correct
61 Correct 29 ms 11056 KB Output is correct
62 Correct 38 ms 11760 KB Output is correct
63 Correct 38 ms 11688 KB Output is correct
64 Correct 39 ms 11756 KB Output is correct
65 Correct 36 ms 11320 KB Output is correct
66 Correct 43 ms 11828 KB Output is correct
67 Correct 37 ms 11560 KB Output is correct
68 Correct 38 ms 11732 KB Output is correct
69 Correct 3 ms 8404 KB Output is correct
70 Correct 3 ms 8488 KB Output is correct
71 Correct 38 ms 11696 KB Output is correct
72 Correct 38 ms 11752 KB Output is correct
73 Correct 38 ms 11724 KB Output is correct
74 Correct 3 ms 8404 KB Output is correct
75 Correct 3 ms 8404 KB Output is correct
76 Correct 3 ms 8404 KB Output is correct
77 Correct 3 ms 8404 KB Output is correct
78 Correct 335 ms 153976 KB Output is correct
79 Correct 107 ms 23860 KB Output is correct
80 Correct 330 ms 155296 KB Output is correct
81 Correct 40 ms 11724 KB Output is correct
82 Correct 327 ms 155348 KB Output is correct
83 Correct 229 ms 83328 KB Output is correct
84 Correct 3 ms 8532 KB Output is correct
85 Correct 3 ms 8532 KB Output is correct
86 Correct 3 ms 8660 KB Output is correct
87 Correct 3 ms 8788 KB Output is correct
88 Correct 4 ms 9940 KB Output is correct
89 Correct 4 ms 9904 KB Output is correct
90 Correct 5 ms 9684 KB Output is correct
91 Correct 4 ms 9524 KB Output is correct
92 Correct 4 ms 9428 KB Output is correct
93 Correct 4 ms 9232 KB Output is correct
94 Correct 4 ms 9136 KB Output is correct
95 Correct 4 ms 8916 KB Output is correct
96 Correct 4 ms 8788 KB Output is correct
97 Correct 4 ms 8532 KB Output is correct
98 Correct 3 ms 8532 KB Output is correct
99 Correct 4 ms 9908 KB Output is correct
100 Correct 4 ms 9940 KB Output is correct
101 Correct 22 ms 21716 KB Output is correct
102 Correct 13 ms 11604 KB Output is correct
103 Correct 364 ms 155328 KB Output is correct
104 Correct 263 ms 155268 KB Output is correct
105 Correct 239 ms 93120 KB Output is correct
106 Correct 319 ms 155340 KB Output is correct
107 Correct 101 ms 27240 KB Output is correct
108 Correct 123 ms 43300 KB Output is correct
109 Correct 39 ms 11764 KB Output is correct
110 Correct 38 ms 11724 KB Output is correct
111 Correct 299 ms 139292 KB Output is correct
112 Correct 317 ms 123212 KB Output is correct
113 Correct 124 ms 29028 KB Output is correct
114 Correct 320 ms 155340 KB Output is correct
115 Correct 324 ms 155344 KB Output is correct