oj.uz

Submission #921415

# Submission time Handle Problem Language Result Execution time Memory
921415 2024-02-03T19:39:21 Z AverageAmogusEnjoyer Arranging Shoes (IOI19_shoes) C++17
100 / 100
 335 ms 27296 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
template<class T> bool cmin(T &i, T j) { return i > j ? i=j,true:false; }
template<class T> bool cmax(T &i, T j) { return i < j ? i=j,true:false; }
constexpr int nax = 200200;
int st[4*nax];
int n;
void upd(int p,int u=1,int tl=1,int tr=n) {
    if (tl == tr) {
        st[u] = 1;
        return;
    }
    int mid=(tl+tr)/2;
    if (p<=mid) {
        upd(p,2*u,tl,mid);
    } else {
        upd(p,2*u+1,mid+1,tr);
    }
    st[u] = st[2*u]+st[2*u+1];
}
int qry(int l,int r,int u=1,int tl=1,int tr=n) {
    if (l > r) { return 0; }
    if (l == tl && r == tr) {
        return st[u];
    }
    int mid = (tl+tr)/2;
    return qry(l,min(mid,r),2*u,tl,mid)+qry(max(mid+1,l),r,2*u+1,mid+1,tr);
}
ll count_swaps(vector<int> a) {
    ll ans = 0;
    n = (int)a.size();
    map<int,vector<int>> p;
    for (int i=n-1;i>=0;i--) {
        p[a[i]].push_back(i);
    }
    vector<bool> done(n);
    for (int i=0;i<n;i++) {
        if (done[i]) { continue; }
        done[i] = true;
        assert(!p[-a[i]].empty());
        int nxt = p[-a[i]].back();
        done[nxt] = true;
        p[-a[i]].pop_back();
        assert(!p[a[i]].empty() && p[a[i]].back() == i);
        p[a[i]].pop_back();
        int add = max(0,nxt-(i+1)-qry(i+1,nxt)); 
        // cout << add << " ";
        ans += add; 
        if (a[i] > 0) {
            ans++;
            // cout << "added 1 ";
        }
        // cout << ans << endl;
        upd(nxt);
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 352 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 352 KB Output is correct
3 Correct 0 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 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 344 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 1 ms 356 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 344 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 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 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 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 344 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 352 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 600 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 600 KB Output is correct
10 Correct 1 ms 412 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 5 ms 2908 KB Output is correct
21 Correct 5 ms 2908 KB Output is correct
22 Correct 44 ms 4956 KB Output is correct
23 Correct 36 ms 4808 KB Output is correct
24 Correct 42 ms 4724 KB Output is correct
25 Correct 45 ms 5016 KB Output is correct
26 Correct 44 ms 6088 KB Output is correct
27 Correct 36 ms 6088 KB Output is correct
28 Correct 53 ms 6220 KB Output is correct
29 Correct 43 ms 6224 KB Output is correct
30 Correct 51 ms 6464 KB Output is correct
31 Correct 44 ms 5992 KB Output is correct
32 Correct 43 ms 6224 KB Output is correct
33 Correct 43 ms 5968 KB Output is correct
34 Correct 43 ms 6224 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 440 KB Output is correct
37 Correct 44 ms 6148 KB Output is correct
38 Correct 44 ms 6084 KB Output is correct
39 Correct 44 ms 6228 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 344 KB Output is correct
5 Correct 238 ms 25936 KB Output is correct
6 Correct 126 ms 8244 KB Output is correct
7 Correct 302 ms 27240 KB Output is correct
8 Correct 44 ms 6140 KB Output is correct
9 Correct 254 ms 27296 KB Output is correct
10 Correct 173 ms 16208 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 352 KB Output is correct
3 Correct 0 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 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 344 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 1 ms 356 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 344 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 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 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 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 0 ms 344 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 1 ms 604 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 1 ms 604 KB Output is correct
45 Correct 1 ms 604 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Correct 2 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 1 ms 500 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 1 ms 348 KB Output is correct
2 Correct 0 ms 352 KB Output is correct
3 Correct 0 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 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 344 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 1 ms 356 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 344 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 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 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 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 600 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 600 KB Output is correct
44 Correct 1 ms 412 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 5 ms 2908 KB Output is correct
55 Correct 5 ms 2908 KB Output is correct
56 Correct 44 ms 4956 KB Output is correct
57 Correct 36 ms 4808 KB Output is correct
58 Correct 42 ms 4724 KB Output is correct
59 Correct 45 ms 5016 KB Output is correct
60 Correct 44 ms 6088 KB Output is correct
61 Correct 36 ms 6088 KB Output is correct
62 Correct 53 ms 6220 KB Output is correct
63 Correct 43 ms 6224 KB Output is correct
64 Correct 51 ms 6464 KB Output is correct
65 Correct 44 ms 5992 KB Output is correct
66 Correct 43 ms 6224 KB Output is correct
67 Correct 43 ms 5968 KB Output is correct
68 Correct 43 ms 6224 KB Output is correct
69 Correct 0 ms 344 KB Output is correct
70 Correct 0 ms 440 KB Output is correct
71 Correct 44 ms 6148 KB Output is correct
72 Correct 44 ms 6084 KB Output is correct
73 Correct 44 ms 6228 KB Output is correct
74 Correct 0 ms 344 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 344 KB Output is correct
78 Correct 238 ms 25936 KB Output is correct
79 Correct 126 ms 8244 KB Output is correct
80 Correct 302 ms 27240 KB Output is correct
81 Correct 44 ms 6140 KB Output is correct
82 Correct 254 ms 27296 KB Output is correct
83 Correct 173 ms 16208 KB Output is correct
84 Correct 0 ms 344 KB Output is correct
85 Correct 0 ms 348 KB Output is correct
86 Correct 0 ms 348 KB Output is correct
87 Correct 1 ms 348 KB Output is correct
88 Correct 2 ms 604 KB Output is correct
89 Correct 1 ms 604 KB Output is correct
90 Correct 2 ms 604 KB Output is correct
91 Correct 1 ms 604 KB Output is correct
92 Correct 1 ms 604 KB Output is correct
93 Correct 1 ms 344 KB Output is correct
94 Correct 2 ms 348 KB Output is correct
95 Correct 1 ms 348 KB Output is correct
96 Correct 1 ms 348 KB Output is correct
97 Correct 1 ms 348 KB Output is correct
98 Correct 1 ms 500 KB Output is correct
99 Correct 1 ms 604 KB Output is correct
100 Correct 2 ms 604 KB Output is correct
101 Correct 16 ms 2936 KB Output is correct
102 Correct 12 ms 3572 KB Output is correct
103 Correct 335 ms 27080 KB Output is correct
104 Correct 262 ms 27216 KB Output is correct
105 Correct 225 ms 17600 KB Output is correct
106 Correct 261 ms 26192 KB Output is correct
107 Correct 129 ms 8880 KB Output is correct
108 Correct 127 ms 10596 KB Output is correct
109 Correct 45 ms 6460 KB Output is correct
110 Correct 47 ms 6220 KB Output is correct
111 Correct 281 ms 25096 KB Output is correct
112 Correct 264 ms 22352 KB Output is correct
113 Correct 134 ms 7856 KB Output is correct
114 Correct 284 ms 26016 KB Output is correct
115 Correct 255 ms 26192 KB Output is correct