oj.uz

Submission #659064

# Submission time Handle Problem Language Result Execution time Memory
659064 2022-11-16T10:12:27 Z Banan Arranging Shoes (IOI19_shoes) C++17
100 / 100
 569 ms 152848 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
#define double long double
#define endl '\n'
#define sz(a) (ll)a.size()
#define pb push_back
#define fs first
#define sc second
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()


ll tree[800040], a[200005];

void update(ll v, ll l, ll r, ll pos)
{
    if(l==r)
    {
        tree[v]=a[l];
    }
    else
    {
        ll mid=(l+r)/2;
        if(pos<=mid)
        {
            update(2*v, l, mid, pos);
        }
        else
        {
            update(2*v+1, mid+1, r, pos);
        }
        tree[v]=tree[2*v]+tree[2*v+1];
    }
}

ll ask(ll v, ll l, ll r, ll sl, ll sr)
{
    if(sr<l || sl>r){return 0;}
    if(l==sl && r==sr){return tree[v];}
    ll mid=(l+r)/2;
    ll v1=ask(2*v, l, mid, sl, min(mid, sr));
    ll v2=ask(2*v+1, mid+1, r, max(mid+1, sl), sr);
    return v1+v2;
}

long long count_swaps(vector<int> s) {
    ll n=sz(s);
    map<ll, queue<ll>> m;
    vector<bool> mark(n+5, 0);
    for(ll i=0;i<n;i++)
    {
        m[s[i]].push(i);
    }

    ll ans=0;
    for(ll i=0;i<n;i++)
    {
        if(!mark[i])
        {
            if(s[i]<0)
            {
                ll pos=m[-s[i]].front();
                ll v=ask(1, 1, 2*n, i+1, pos+1);
                ans+=(pos-i-1+v);
                mark[pos]=1;
                mark[i]=1;
                m[-s[i]].pop();
                m[s[i]].pop();
                a[pos+1]=-1;
                update(1, 1, 2*n, pos+1);
            }
            else
            {
                ll pos=m[-s[i]].front();
                ll v=ask(1, 1, 2*n, i+1, pos+1);
                ans+=(pos-i+v);
                mark[pos]=1;
                mark[i]=1;
                m[-s[i]].pop();
                m[s[i]].pop();
                a[pos+1]=-1;
                update(1, 1, 2*n, pos+1);
            }
        }
    }
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 224 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 5 ms 1296 KB Output is correct
21 Correct 6 ms 1236 KB Output is correct
22 Correct 52 ms 9116 KB Output is correct
23 Correct 49 ms 10368 KB Output is correct
24 Correct 50 ms 10392 KB Output is correct
25 Correct 53 ms 7360 KB Output is correct
26 Correct 52 ms 10424 KB Output is correct
27 Correct 45 ms 10188 KB Output is correct
28 Correct 51 ms 7600 KB Output is correct
29 Correct 54 ms 7580 KB Output is correct
30 Correct 57 ms 7592 KB Output is correct
31 Correct 52 ms 10424 KB Output is correct
32 Correct 51 ms 7604 KB Output is correct
33 Correct 50 ms 7372 KB Output is correct
34 Correct 57 ms 7596 KB Output is correct
35 Correct 0 ms 308 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 54 ms 7600 KB Output is correct
38 Correct 51 ms 7664 KB Output is correct
39 Correct 52 ms 7612 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 489 ms 148684 KB Output is correct
6 Correct 153 ms 18600 KB Output is correct
7 Correct 484 ms 149948 KB Output is correct
8 Correct 57 ms 7576 KB Output is correct
9 Correct 481 ms 150068 KB Output is correct
10 Correct 353 ms 78032 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 596 KB Output is correct
41 Correct 2 ms 1748 KB Output is correct
42 Correct 2 ms 1748 KB Output is correct
43 Correct 3 ms 1620 KB Output is correct
44 Correct 2 ms 1364 KB Output is correct
45 Correct 2 ms 1320 KB Output is correct
46 Correct 1 ms 1108 KB Output is correct
47 Correct 1 ms 852 KB Output is correct
48 Correct 1 ms 724 KB Output is correct
49 Correct 1 ms 596 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 372 KB Output is correct
52 Correct 2 ms 1748 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 224 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 5 ms 1296 KB Output is correct
55 Correct 6 ms 1236 KB Output is correct
56 Correct 52 ms 9116 KB Output is correct
57 Correct 49 ms 10368 KB Output is correct
58 Correct 50 ms 10392 KB Output is correct
59 Correct 53 ms 7360 KB Output is correct
60 Correct 52 ms 10424 KB Output is correct
61 Correct 45 ms 10188 KB Output is correct
62 Correct 51 ms 7600 KB Output is correct
63 Correct 54 ms 7580 KB Output is correct
64 Correct 57 ms 7592 KB Output is correct
65 Correct 52 ms 10424 KB Output is correct
66 Correct 51 ms 7604 KB Output is correct
67 Correct 50 ms 7372 KB Output is correct
68 Correct 57 ms 7596 KB Output is correct
69 Correct 0 ms 308 KB Output is correct
70 Correct 1 ms 212 KB Output is correct
71 Correct 54 ms 7600 KB Output is correct
72 Correct 51 ms 7664 KB Output is correct
73 Correct 52 ms 7612 KB Output is correct
74 Correct 0 ms 212 KB Output is correct
75 Correct 0 ms 212 KB Output is correct
76 Correct 0 ms 212 KB Output is correct
77 Correct 0 ms 212 KB Output is correct
78 Correct 489 ms 148684 KB Output is correct
79 Correct 153 ms 18600 KB Output is correct
80 Correct 484 ms 149948 KB Output is correct
81 Correct 57 ms 7576 KB Output is correct
82 Correct 481 ms 150068 KB Output is correct
83 Correct 353 ms 78032 KB Output is correct
84 Correct 0 ms 212 KB Output is correct
85 Correct 0 ms 340 KB Output is correct
86 Correct 1 ms 340 KB Output is correct
87 Correct 1 ms 596 KB Output is correct
88 Correct 2 ms 1748 KB Output is correct
89 Correct 2 ms 1748 KB Output is correct
90 Correct 3 ms 1620 KB Output is correct
91 Correct 2 ms 1364 KB Output is correct
92 Correct 2 ms 1320 KB Output is correct
93 Correct 1 ms 1108 KB Output is correct
94 Correct 1 ms 852 KB Output is correct
95 Correct 1 ms 724 KB Output is correct
96 Correct 1 ms 596 KB Output is correct
97 Correct 1 ms 340 KB Output is correct
98 Correct 1 ms 372 KB Output is correct
99 Correct 2 ms 1748 KB Output is correct
100 Correct 2 ms 1748 KB Output is correct
101 Correct 29 ms 14164 KB Output is correct
102 Correct 13 ms 4052 KB Output is correct
103 Correct 569 ms 152744 KB Output is correct
104 Correct 473 ms 152848 KB Output is correct
105 Correct 408 ms 90628 KB Output is correct
106 Correct 480 ms 150028 KB Output is correct
107 Correct 188 ms 24796 KB Output is correct
108 Correct 233 ms 40744 KB Output is correct
109 Correct 52 ms 7556 KB Output is correct
110 Correct 52 ms 7580 KB Output is correct
111 Correct 456 ms 133964 KB Output is correct
112 Correct 493 ms 120752 KB Output is correct
113 Correct 194 ms 23716 KB Output is correct
114 Correct 463 ms 149908 KB Output is correct
115 Correct 480 ms 149964 KB Output is correct