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Submission #1083486

# Submission time Handle Problem Language Result Execution time Memory
1083486 2024-09-03T10:01:34 Z lamlamlam Pilot (NOI19_pilot) C++17
100 / 100
 334 ms 68076 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
const int MN = 1e6+5;
int n,q,h[MN],y,ans[MN],pa[MN],sz[MN],res;
vector<pair<int,int>> v;
int papa(int x)
{
    if(x==pa[x]) return x;
    return pa[x] = papa(pa[x]);
}
void uni_set(int u,int v)
{
    int p1 = papa(u);
    int p2 = papa(v);
    if(p1==p2) return;
    //cout << "LOL\n";
    if(sz[p1]<sz[p2]) swap(p1,p2);
    res += sz[p1]*sz[p2];
    sz[p1] += sz[p2];
    pa[p2] = p1;
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    #define task "sus"
    if(fopen(task".inp","r")){
        freopen(task".inp","r",stdin);
        freopen(task".out","w",stdout);
    }
    for(int i=0; i<MN; i++) pa[i] = i, sz[i] = 1;
    cin >> n >> q;
    for(int i=1; i<=n; i++) cin >> h[i],v.push_back({h[i],i});
    sort(v.begin(),v.end());
    int it = 0;
    for(int i=1; i<MN; i++){
        while(it<n and v[it].first==i){
            int val = v[it].first;
            int id = v[it].second;
            res++;
            if(id!=1 and val>=h[id-1]) uni_set(id,id-1);
            if(id!=n and val>=h[id+1]) uni_set(id,id+1);
            it++;
        }
        ans[i] = res;
    }
    while(q--){
        cin >> y;
        cout << ans[y] << endl;
    }
    cerr << "\nTime: " << clock();
}

Compilation message

pilot.cpp: In function 'int main()':
pilot.cpp:31:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |         freopen(task".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
pilot.cpp:32:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |         freopen(task".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 23900 KB Output is correct
2 Correct 10 ms 24072 KB Output is correct
3 Correct 10 ms 23900 KB Output is correct
4 Correct 10 ms 23708 KB Output is correct
5 Correct 10 ms 23900 KB Output is correct
6 Correct 9 ms 23800 KB Output is correct
7 Correct 10 ms 23900 KB Output is correct
8 Correct 9 ms 23892 KB Output is correct
9 Correct 11 ms 23900 KB Output is correct
10 Correct 10 ms 23900 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 23900 KB Output is correct
2 Correct 10 ms 24072 KB Output is correct
3 Correct 10 ms 23900 KB Output is correct
4 Correct 10 ms 23708 KB Output is correct
5 Correct 10 ms 23900 KB Output is correct
6 Correct 9 ms 23800 KB Output is correct
7 Correct 10 ms 23900 KB Output is correct
8 Correct 9 ms 23892 KB Output is correct
9 Correct 11 ms 23900 KB Output is correct
10 Correct 10 ms 23900 KB Output is correct
11 Correct 10 ms 23900 KB Output is correct
12 Correct 9 ms 23900 KB Output is correct
13 Correct 10 ms 23804 KB Output is correct
14 Correct 9 ms 23896 KB Output is correct
15 Correct 10 ms 23768 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 23900 KB Output is correct
2 Correct 10 ms 24072 KB Output is correct
3 Correct 10 ms 23900 KB Output is correct
4 Correct 10 ms 23708 KB Output is correct
5 Correct 10 ms 23900 KB Output is correct
6 Correct 9 ms 23800 KB Output is correct
7 Correct 10 ms 23900 KB Output is correct
8 Correct 9 ms 23892 KB Output is correct
9 Correct 11 ms 23900 KB Output is correct
10 Correct 10 ms 23900 KB Output is correct
11 Correct 10 ms 23900 KB Output is correct
12 Correct 9 ms 23900 KB Output is correct
13 Correct 10 ms 23804 KB Output is correct
14 Correct 9 ms 23896 KB Output is correct
15 Correct 10 ms 23768 KB Output is correct
16 Correct 10 ms 23900 KB Output is correct
17 Correct 10 ms 23900 KB Output is correct
18 Correct 9 ms 23900 KB Output is correct
19 Correct 9 ms 23944 KB Output is correct
20 Correct 9 ms 23900 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 23900 KB Output is correct
2 Correct 10 ms 24072 KB Output is correct
3 Correct 10 ms 23900 KB Output is correct
4 Correct 10 ms 23708 KB Output is correct
5 Correct 10 ms 23900 KB Output is correct
6 Correct 9 ms 23800 KB Output is correct
7 Correct 10 ms 23900 KB Output is correct
8 Correct 9 ms 23892 KB Output is correct
9 Correct 11 ms 23900 KB Output is correct
10 Correct 10 ms 23900 KB Output is correct
11 Correct 10 ms 23900 KB Output is correct
12 Correct 9 ms 23900 KB Output is correct
13 Correct 10 ms 23804 KB Output is correct
14 Correct 9 ms 23896 KB Output is correct
15 Correct 10 ms 23768 KB Output is correct
16 Correct 10 ms 23900 KB Output is correct
17 Correct 10 ms 23900 KB Output is correct
18 Correct 9 ms 23900 KB Output is correct
19 Correct 9 ms 23944 KB Output is correct
20 Correct 9 ms 23900 KB Output is correct
21 Correct 10 ms 23896 KB Output is correct
22 Correct 10 ms 23900 KB Output is correct
23 Correct 12 ms 23900 KB Output is correct
24 Correct 13 ms 23912 KB Output is correct
25 Correct 10 ms 23896 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 26828 KB Output is correct
2 Correct 30 ms 26828 KB Output is correct
3 Correct 28 ms 26828 KB Output is correct
4 Correct 33 ms 26744 KB Output is correct
5 Correct 29 ms 26576 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 28152 KB Output is correct
2 Correct 32 ms 28360 KB Output is correct
3 Correct 29 ms 28328 KB Output is correct
4 Correct 29 ms 28372 KB Output is correct
5 Correct 31 ms 28104 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 28368 KB Output is correct
2 Correct 35 ms 28452 KB Output is correct
3 Correct 34 ms 28452 KB Output is correct
4 Correct 36 ms 28616 KB Output is correct
5 Correct 33 ms 28616 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 23900 KB Output is correct
2 Correct 10 ms 24072 KB Output is correct
3 Correct 10 ms 23900 KB Output is correct
4 Correct 10 ms 23708 KB Output is correct
5 Correct 10 ms 23900 KB Output is correct
6 Correct 9 ms 23800 KB Output is correct
7 Correct 10 ms 23900 KB Output is correct
8 Correct 9 ms 23892 KB Output is correct
9 Correct 11 ms 23900 KB Output is correct
10 Correct 10 ms 23900 KB Output is correct
11 Correct 35 ms 26828 KB Output is correct
12 Correct 30 ms 26828 KB Output is correct
13 Correct 28 ms 26828 KB Output is correct
14 Correct 33 ms 26744 KB Output is correct
15 Correct 29 ms 26576 KB Output is correct
16 Correct 27 ms 26580 KB Output is correct
17 Correct 27 ms 26832 KB Output is correct
18 Correct 31 ms 26952 KB Output is correct
19 Correct 28 ms 26652 KB Output is correct
20 Correct 28 ms 26852 KB Output is correct
21 Correct 26 ms 26568 KB Output is correct
22 Correct 27 ms 26824 KB Output is correct
23 Correct 26 ms 26912 KB Output is correct
24 Correct 28 ms 26824 KB Output is correct
25 Correct 27 ms 26772 KB Output is correct

Subtask #9
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 23900 KB Output is correct
2 Correct 10 ms 24072 KB Output is correct
3 Correct 10 ms 23900 KB Output is correct
4 Correct 10 ms 23708 KB Output is correct
5 Correct 10 ms 23900 KB Output is correct
6 Correct 9 ms 23800 KB Output is correct
7 Correct 10 ms 23900 KB Output is correct
8 Correct 9 ms 23892 KB Output is correct
9 Correct 11 ms 23900 KB Output is correct
10 Correct 10 ms 23900 KB Output is correct
11 Correct 10 ms 23900 KB Output is correct
12 Correct 9 ms 23900 KB Output is correct
13 Correct 10 ms 23804 KB Output is correct
14 Correct 9 ms 23896 KB Output is correct
15 Correct 10 ms 23768 KB Output is correct
16 Correct 10 ms 23900 KB Output is correct
17 Correct 10 ms 23900 KB Output is correct
18 Correct 9 ms 23900 KB Output is correct
19 Correct 9 ms 23944 KB Output is correct
20 Correct 9 ms 23900 KB Output is correct
21 Correct 10 ms 23896 KB Output is correct
22 Correct 10 ms 23900 KB Output is correct
23 Correct 12 ms 23900 KB Output is correct
24 Correct 13 ms 23912 KB Output is correct
25 Correct 10 ms 23896 KB Output is correct
26 Correct 35 ms 26828 KB Output is correct
27 Correct 30 ms 26828 KB Output is correct
28 Correct 28 ms 26828 KB Output is correct
29 Correct 33 ms 26744 KB Output is correct
30 Correct 29 ms 26576 KB Output is correct
31 Correct 35 ms 28152 KB Output is correct
32 Correct 32 ms 28360 KB Output is correct
33 Correct 29 ms 28328 KB Output is correct
34 Correct 29 ms 28372 KB Output is correct
35 Correct 31 ms 28104 KB Output is correct
36 Correct 32 ms 28368 KB Output is correct
37 Correct 35 ms 28452 KB Output is correct
38 Correct 34 ms 28452 KB Output is correct
39 Correct 36 ms 28616 KB Output is correct
40 Correct 33 ms 28616 KB Output is correct
41 Correct 27 ms 26580 KB Output is correct
42 Correct 27 ms 26832 KB Output is correct
43 Correct 31 ms 26952 KB Output is correct
44 Correct 28 ms 26652 KB Output is correct
45 Correct 28 ms 26852 KB Output is correct
46 Correct 26 ms 26568 KB Output is correct
47 Correct 27 ms 26824 KB Output is correct
48 Correct 26 ms 26912 KB Output is correct
49 Correct 28 ms 26824 KB Output is correct
50 Correct 27 ms 26772 KB Output is correct
51 Correct 45 ms 28104 KB Output is correct
52 Correct 44 ms 28064 KB Output is correct
53 Correct 38 ms 28104 KB Output is correct
54 Correct 46 ms 28064 KB Output is correct
55 Correct 39 ms 28100 KB Output is correct

Subtask #10
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 23900 KB Output is correct
2 Correct 10 ms 24072 KB Output is correct
3 Correct 10 ms 23900 KB Output is correct
4 Correct 10 ms 23708 KB Output is correct
5 Correct 10 ms 23900 KB Output is correct
6 Correct 9 ms 23800 KB Output is correct
7 Correct 10 ms 23900 KB Output is correct
8 Correct 9 ms 23892 KB Output is correct
9 Correct 11 ms 23900 KB Output is correct
10 Correct 10 ms 23900 KB Output is correct
11 Correct 10 ms 23900 KB Output is correct
12 Correct 9 ms 23900 KB Output is correct
13 Correct 10 ms 23804 KB Output is correct
14 Correct 9 ms 23896 KB Output is correct
15 Correct 10 ms 23768 KB Output is correct
16 Correct 10 ms 23900 KB Output is correct
17 Correct 10 ms 23900 KB Output is correct
18 Correct 9 ms 23900 KB Output is correct
19 Correct 9 ms 23944 KB Output is correct
20 Correct 9 ms 23900 KB Output is correct
21 Correct 10 ms 23896 KB Output is correct
22 Correct 10 ms 23900 KB Output is correct
23 Correct 12 ms 23900 KB Output is correct
24 Correct 13 ms 23912 KB Output is correct
25 Correct 10 ms 23896 KB Output is correct
26 Correct 35 ms 26828 KB Output is correct
27 Correct 30 ms 26828 KB Output is correct
28 Correct 28 ms 26828 KB Output is correct
29 Correct 33 ms 26744 KB Output is correct
30 Correct 29 ms 26576 KB Output is correct
31 Correct 35 ms 28152 KB Output is correct
32 Correct 32 ms 28360 KB Output is correct
33 Correct 29 ms 28328 KB Output is correct
34 Correct 29 ms 28372 KB Output is correct
35 Correct 31 ms 28104 KB Output is correct
36 Correct 32 ms 28368 KB Output is correct
37 Correct 35 ms 28452 KB Output is correct
38 Correct 34 ms 28452 KB Output is correct
39 Correct 36 ms 28616 KB Output is correct
40 Correct 33 ms 28616 KB Output is correct
41 Correct 27 ms 26580 KB Output is correct
42 Correct 27 ms 26832 KB Output is correct
43 Correct 31 ms 26952 KB Output is correct
44 Correct 28 ms 26652 KB Output is correct
45 Correct 28 ms 26852 KB Output is correct
46 Correct 26 ms 26568 KB Output is correct
47 Correct 27 ms 26824 KB Output is correct
48 Correct 26 ms 26912 KB Output is correct
49 Correct 28 ms 26824 KB Output is correct
50 Correct 27 ms 26772 KB Output is correct
51 Correct 45 ms 28104 KB Output is correct
52 Correct 44 ms 28064 KB Output is correct
53 Correct 38 ms 28104 KB Output is correct
54 Correct 46 ms 28064 KB Output is correct
55 Correct 39 ms 28100 KB Output is correct
56 Correct 334 ms 66464 KB Output is correct
57 Correct 324 ms 67356 KB Output is correct
58 Correct 309 ms 64364 KB Output is correct
59 Correct 330 ms 65408 KB Output is correct
60 Correct 333 ms 68076 KB Output is correct