oj.uz

Submission #231206

# Submission time Handle Problem Language Result Execution time Memory
231206 2020-05-13T04:18:50 Z UserIsUndefined Arranging Shoes (IOI19_shoes) C++14
100 / 100
 368 ms 31352 KB 
/**
 *    author:  Mohamad Milhem
 *    created: 2020-05-13-05.41.20
**/
#include "shoes.h"
#include <bits/stdc++.h>
#include <stdio.h>

using namespace std;
typedef long long ll;

#define FAST ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define mp make_pair
#define pb push_back
#define lp(i,s,f) for(ll i = s; i < ll(f); i++)
#define inF freopen("input.in", "r", stdin);
#define outF freopen("output.in", "w", stdout);
#define MOD ll(1000000007)
#define debug(x) cout << '[' << #x << " is: " << x << "] " <<endl;
#define decimalpoint cout << std::fixed << setprecision(5)

map<int,map<int,bool>> need;
int bro[200005];
int nothing[200005];
int seg[800005];



void update(int p , int s, int e, int i){
    if (s == e){
        seg[p] = 1;
        return;
    }


    if (i <= (s+e)/2) update(p*2 , s , (s+e)/2 , i);
    else update(p*2 + 1 , (s+e)/2 + 1 , e , i);

    seg[p] = seg[p*2] + seg[p*2 + 1];
}



ll gett(int p , int s , int e , int a , int b){
    if ((s >= a)&&(e <= b)){
        return seg[p];
    }
    if ((s > b)||(a > e)){
        return 0;
    }

    return gett(p*2 , s , (s+e)/2 , a , b) + gett(p*2 + 1 , (s+e)/2 + 1 , e , a , b);

}



long long count_swaps(std::vector<int> v) {
	ll n = v.size();
	need.clear();
    memset(bro, 0 , sizeof bro);
    memset(nothing , 0 , sizeof nothing);
    memset(seg , 0 , sizeof seg);

    for (int i = 0 ; i < n ; i++){
        int needed = v[i]*-1;
        auto here = need[needed].begin();
        if (here == need[needed].end()){
            need[v[i]][i] = true;
        }
        else {
            int first = here->first;
            int second = i;
            bro[first] = second;
            need[needed].erase(first);
        }
    }

    ll ans = 0;

//    for (auto a : bro){
//        cout << a.first << " " << a.second << endl;
//    }


    for (ll i = 0 ; i < n ; i++){
        ll now = v[i];

        if (bro[i] == 0)continue;

        ll cont = 0;

//        for (ll j = i + 1 ; j < bro[i] ; j++){
////            if (nothing[j])cont++;
//        }
        cont = gett(1 , 0 , n - 1 , i + 1 , bro[i] - 1);
//        debug(cont);
//        debug(i);
//        nothing[bro[i]] = 1;
        update(1 , 0, n - 1 , bro[i]);
        int leftt = (now < 0);

        ll here = bro[i] - i - leftt - cont;
//        debug(i);
//      debug(here);

        ans+= here;

    }

    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 7 ms 4992 KB Output is correct
4 Correct 7 ms 4992 KB Output is correct
5 Correct 7 ms 4992 KB Output is correct
6 Correct 7 ms 4992 KB Output is correct
7 Correct 7 ms 4992 KB Output is correct
8 Correct 7 ms 4992 KB Output is correct
9 Correct 7 ms 4992 KB Output is correct
10 Correct 7 ms 4992 KB Output is correct
11 Correct 7 ms 4992 KB Output is correct
12 Correct 7 ms 4992 KB Output is correct
13 Correct 7 ms 4992 KB Output is correct
14 Correct 7 ms 4992 KB Output is correct
15 Correct 7 ms 4992 KB Output is correct
16 Correct 7 ms 4992 KB Output is correct
17 Correct 7 ms 4992 KB Output is correct
18 Correct 7 ms 4992 KB Output is correct
19 Correct 7 ms 4992 KB Output is correct
20 Correct 7 ms 4992 KB Output is correct
21 Correct 8 ms 4992 KB Output is correct
22 Correct 8 ms 4992 KB Output is correct
23 Correct 7 ms 4992 KB Output is correct
24 Correct 7 ms 4992 KB Output is correct
25 Correct 6 ms 4992 KB Output is correct
26 Correct 8 ms 4992 KB Output is correct
27 Correct 7 ms 4992 KB Output is correct
28 Correct 8 ms 4992 KB Output is correct
29 Correct 7 ms 4992 KB Output is correct
30 Correct 8 ms 4992 KB Output is correct
31 Correct 7 ms 4992 KB Output is correct
32 Correct 7 ms 4992 KB Output is correct
33 Correct 7 ms 4992 KB Output is correct
34 Correct 7 ms 4992 KB Output is correct
35 Correct 7 ms 4992 KB Output is correct
36 Correct 7 ms 4992 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 7 ms 4992 KB Output is correct
4 Correct 7 ms 4992 KB Output is correct
5 Correct 7 ms 4992 KB Output is correct
6 Correct 7 ms 4992 KB Output is correct
7 Correct 7 ms 4992 KB Output is correct
8 Correct 7 ms 4992 KB Output is correct
9 Correct 7 ms 4992 KB Output is correct
10 Correct 7 ms 4992 KB Output is correct
11 Correct 7 ms 4992 KB Output is correct
12 Correct 7 ms 4992 KB Output is correct
13 Correct 7 ms 4992 KB Output is correct
14 Correct 7 ms 4992 KB Output is correct
15 Correct 9 ms 4992 KB Output is correct
16 Correct 7 ms 4992 KB Output is correct
17 Correct 7 ms 4992 KB Output is correct
18 Correct 8 ms 4992 KB Output is correct
19 Correct 7 ms 4992 KB Output is correct
20 Correct 13 ms 5120 KB Output is correct
21 Correct 17 ms 5248 KB Output is correct
22 Correct 85 ms 6648 KB Output is correct
23 Correct 70 ms 7928 KB Output is correct
24 Correct 81 ms 7928 KB Output is correct
25 Correct 101 ms 12408 KB Output is correct
26 Correct 83 ms 7800 KB Output is correct
27 Correct 69 ms 7672 KB Output is correct
28 Correct 108 ms 12536 KB Output is correct
29 Correct 98 ms 12536 KB Output is correct
30 Correct 101 ms 12536 KB Output is correct
31 Correct 84 ms 7800 KB Output is correct
32 Correct 102 ms 12536 KB Output is correct
33 Correct 99 ms 12408 KB Output is correct
34 Correct 103 ms 12536 KB Output is correct
35 Correct 7 ms 4992 KB Output is correct
36 Correct 7 ms 4992 KB Output is correct
37 Correct 121 ms 12736 KB Output is correct
38 Correct 115 ms 12608 KB Output is correct
39 Correct 104 ms 12536 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 7 ms 4992 KB Output is correct
4 Correct 7 ms 4992 KB Output is correct
5 Correct 319 ms 30176 KB Output is correct
6 Correct 210 ms 14200 KB Output is correct
7 Correct 300 ms 31352 KB Output is correct
8 Correct 103 ms 12536 KB Output is correct
9 Correct 304 ms 31308 KB Output is correct
10 Correct 255 ms 22008 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 7 ms 4992 KB Output is correct
4 Correct 7 ms 4992 KB Output is correct
5 Correct 7 ms 4992 KB Output is correct
6 Correct 7 ms 4992 KB Output is correct
7 Correct 7 ms 4992 KB Output is correct
8 Correct 7 ms 4992 KB Output is correct
9 Correct 7 ms 4992 KB Output is correct
10 Correct 7 ms 4992 KB Output is correct
11 Correct 7 ms 4992 KB Output is correct
12 Correct 7 ms 4992 KB Output is correct
13 Correct 7 ms 4992 KB Output is correct
14 Correct 7 ms 4992 KB Output is correct
15 Correct 7 ms 4992 KB Output is correct
16 Correct 7 ms 4992 KB Output is correct
17 Correct 7 ms 4992 KB Output is correct
18 Correct 7 ms 4992 KB Output is correct
19 Correct 7 ms 4992 KB Output is correct
20 Correct 7 ms 4992 KB Output is correct
21 Correct 8 ms 4992 KB Output is correct
22 Correct 8 ms 4992 KB Output is correct
23 Correct 7 ms 4992 KB Output is correct
24 Correct 7 ms 4992 KB Output is correct
25 Correct 6 ms 4992 KB Output is correct
26 Correct 8 ms 4992 KB Output is correct
27 Correct 7 ms 4992 KB Output is correct
28 Correct 8 ms 4992 KB Output is correct
29 Correct 7 ms 4992 KB Output is correct
30 Correct 8 ms 4992 KB Output is correct
31 Correct 7 ms 4992 KB Output is correct
32 Correct 7 ms 4992 KB Output is correct
33 Correct 7 ms 4992 KB Output is correct
34 Correct 7 ms 4992 KB Output is correct
35 Correct 7 ms 4992 KB Output is correct
36 Correct 7 ms 4992 KB Output is correct
37 Correct 8 ms 4992 KB Output is correct
38 Correct 8 ms 4992 KB Output is correct
39 Correct 7 ms 5120 KB Output is correct
40 Correct 7 ms 5120 KB Output is correct
41 Correct 8 ms 5248 KB Output is correct
42 Correct 8 ms 5248 KB Output is correct
43 Correct 8 ms 5120 KB Output is correct
44 Correct 9 ms 5248 KB Output is correct
45 Correct 8 ms 5120 KB Output is correct
46 Correct 9 ms 5120 KB Output is correct
47 Correct 9 ms 5120 KB Output is correct
48 Correct 8 ms 5120 KB Output is correct
49 Correct 8 ms 5120 KB Output is correct
50 Correct 9 ms 5120 KB Output is correct
51 Correct 9 ms 5152 KB Output is correct
52 Correct 8 ms 5248 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 7 ms 4992 KB Output is correct
4 Correct 7 ms 4992 KB Output is correct
5 Correct 7 ms 4992 KB Output is correct
6 Correct 7 ms 4992 KB Output is correct
7 Correct 7 ms 4992 KB Output is correct
8 Correct 7 ms 4992 KB Output is correct
9 Correct 7 ms 4992 KB Output is correct
10 Correct 7 ms 4992 KB Output is correct
11 Correct 7 ms 4992 KB Output is correct
12 Correct 7 ms 4992 KB Output is correct
13 Correct 7 ms 4992 KB Output is correct
14 Correct 7 ms 4992 KB Output is correct
15 Correct 7 ms 4992 KB Output is correct
16 Correct 7 ms 4992 KB Output is correct
17 Correct 7 ms 4992 KB Output is correct
18 Correct 7 ms 4992 KB Output is correct
19 Correct 7 ms 4992 KB Output is correct
20 Correct 7 ms 4992 KB Output is correct
21 Correct 8 ms 4992 KB Output is correct
22 Correct 8 ms 4992 KB Output is correct
23 Correct 7 ms 4992 KB Output is correct
24 Correct 7 ms 4992 KB Output is correct
25 Correct 6 ms 4992 KB Output is correct
26 Correct 8 ms 4992 KB Output is correct
27 Correct 7 ms 4992 KB Output is correct
28 Correct 8 ms 4992 KB Output is correct
29 Correct 7 ms 4992 KB Output is correct
30 Correct 8 ms 4992 KB Output is correct
31 Correct 7 ms 4992 KB Output is correct
32 Correct 7 ms 4992 KB Output is correct
33 Correct 7 ms 4992 KB Output is correct
34 Correct 7 ms 4992 KB Output is correct
35 Correct 7 ms 4992 KB Output is correct
36 Correct 7 ms 4992 KB Output is correct
37 Correct 7 ms 4992 KB Output is correct
38 Correct 7 ms 4992 KB Output is correct
39 Correct 7 ms 4992 KB Output is correct
40 Correct 7 ms 4992 KB Output is correct
41 Correct 7 ms 4992 KB Output is correct
42 Correct 7 ms 4992 KB Output is correct
43 Correct 7 ms 4992 KB Output is correct
44 Correct 7 ms 4992 KB Output is correct
45 Correct 7 ms 4992 KB Output is correct
46 Correct 7 ms 4992 KB Output is correct
47 Correct 7 ms 4992 KB Output is correct
48 Correct 7 ms 4992 KB Output is correct
49 Correct 9 ms 4992 KB Output is correct
50 Correct 7 ms 4992 KB Output is correct
51 Correct 7 ms 4992 KB Output is correct
52 Correct 8 ms 4992 KB Output is correct
53 Correct 7 ms 4992 KB Output is correct
54 Correct 13 ms 5120 KB Output is correct
55 Correct 17 ms 5248 KB Output is correct
56 Correct 85 ms 6648 KB Output is correct
57 Correct 70 ms 7928 KB Output is correct
58 Correct 81 ms 7928 KB Output is correct
59 Correct 101 ms 12408 KB Output is correct
60 Correct 83 ms 7800 KB Output is correct
61 Correct 69 ms 7672 KB Output is correct
62 Correct 108 ms 12536 KB Output is correct
63 Correct 98 ms 12536 KB Output is correct
64 Correct 101 ms 12536 KB Output is correct
65 Correct 84 ms 7800 KB Output is correct
66 Correct 102 ms 12536 KB Output is correct
67 Correct 99 ms 12408 KB Output is correct
68 Correct 103 ms 12536 KB Output is correct
69 Correct 7 ms 4992 KB Output is correct
70 Correct 7 ms 4992 KB Output is correct
71 Correct 121 ms 12736 KB Output is correct
72 Correct 115 ms 12608 KB Output is correct
73 Correct 104 ms 12536 KB Output is correct
74 Correct 7 ms 4992 KB Output is correct
75 Correct 7 ms 4992 KB Output is correct
76 Correct 7 ms 4992 KB Output is correct
77 Correct 7 ms 4992 KB Output is correct
78 Correct 319 ms 30176 KB Output is correct
79 Correct 210 ms 14200 KB Output is correct
80 Correct 300 ms 31352 KB Output is correct
81 Correct 103 ms 12536 KB Output is correct
82 Correct 304 ms 31308 KB Output is correct
83 Correct 255 ms 22008 KB Output is correct
84 Correct 8 ms 4992 KB Output is correct
85 Correct 8 ms 4992 KB Output is correct
86 Correct 7 ms 5120 KB Output is correct
87 Correct 7 ms 5120 KB Output is correct
88 Correct 8 ms 5248 KB Output is correct
89 Correct 8 ms 5248 KB Output is correct
90 Correct 8 ms 5120 KB Output is correct
91 Correct 9 ms 5248 KB Output is correct
92 Correct 8 ms 5120 KB Output is correct
93 Correct 9 ms 5120 KB Output is correct
94 Correct 9 ms 5120 KB Output is correct
95 Correct 8 ms 5120 KB Output is correct
96 Correct 8 ms 5120 KB Output is correct
97 Correct 9 ms 5120 KB Output is correct
98 Correct 9 ms 5152 KB Output is correct
99 Correct 8 ms 5248 KB Output is correct
100 Correct 8 ms 5248 KB Output is correct
101 Correct 26 ms 7168 KB Output is correct
102 Correct 26 ms 5760 KB Output is correct
103 Correct 368 ms 28920 KB Output is correct
104 Correct 236 ms 26636 KB Output is correct
105 Correct 236 ms 18556 KB Output is correct
106 Correct 314 ms 31352 KB Output is correct
107 Correct 152 ms 9976 KB Output is correct
108 Correct 165 ms 12028 KB Output is correct
109 Correct 99 ms 12512 KB Output is correct
110 Correct 115 ms 12536 KB Output is correct
111 Correct 295 ms 29176 KB Output is correct
112 Correct 311 ms 26104 KB Output is correct
113 Correct 221 ms 14840 KB Output is correct
114 Correct 296 ms 31352 KB Output is correct
115 Correct 293 ms 31352 KB Output is correct