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Submission #209790

# Submission time Handle Problem Language Result Execution time Memory
209790 2020-03-15T14:23:44 Z Alexa2001 Pilot (NOI19_pilot) C++17
100 / 100
 317 ms 27512 KB 
#include <bits/stdc++.h>

using namespace std;

/// 16:02

typedef long long ll;
const int Nmax = 1e6 + 5;

int n, q, h[Nmax], st[Nmax], nxt[Nmax], prv[Nmax];
ll ans[Nmax];


void solve()
{
    int i, nr = 0;
    for(i=1; i<=n; ++i)
    {
        while(nr && h[st[nr]] < h[i]) --nr;
        prv[i] = st[nr];
        st[++nr] = i;
    }

    nr = 0;
    st[0] = n+1;
    for(i=n; i; --i)
    {
        while(nr && h[st[nr]] <= h[i]) --nr;
        nxt[i] = st[nr];
        st[++nr] = i;
    }

    for(i=1; i<=n; ++i)
        ans[h[i]] += (ll) (i - prv[i]) * (nxt[i] - i);
}

const int bsize = 1 << 18;
char buffer[bsize+2]; int cursor;


static inline void init_read()
{
    fread(buffer, 1, bsize, stdin), cursor = 0;
}

template<typename T>
void read(T &x)
{
    x = 0;
    while(!isdigit(buffer[cursor]))
    {
        ++cursor;
        if(cursor == bsize) init_read();
    }
    while(isdigit(buffer[cursor]))
    {
        x = x * 10 + buffer[cursor] - '0';
        ++cursor;
        if(cursor == bsize) init_read();
    }
}

int main()
{
  //  freopen("input", "r", stdin);
    cin.sync_with_stdio(false); cin.tie(0);

    init_read();
    read(n); read(q);

    int i;
    for(i=1; i<=n; ++i) read(h[i]);

    solve();

    for(i=1; i<=1000*1000; ++i)
        ans[i+1] += ans[i];

    for(i=1; i<=q; ++i)
    {
        int x;
        read(x);
        printf("%lld\n", ans[x]);
    }

    return 0;
}

Compilation message

pilot.cpp: In function 'void init_read()':
pilot.cpp:43:35: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     fread(buffer, 1, bsize, stdin), cursor = 0;
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 8184 KB Output is correct
2 Correct 10 ms 8184 KB Output is correct
3 Correct 10 ms 8184 KB Output is correct
4 Correct 10 ms 8184 KB Output is correct
5 Correct 11 ms 8184 KB Output is correct
6 Correct 10 ms 8184 KB Output is correct
7 Correct 11 ms 8184 KB Output is correct
8 Correct 11 ms 8060 KB Output is correct
9 Correct 11 ms 8184 KB Output is correct
10 Correct 13 ms 8184 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 8184 KB Output is correct
2 Correct 10 ms 8184 KB Output is correct
3 Correct 10 ms 8184 KB Output is correct
4 Correct 10 ms 8184 KB Output is correct
5 Correct 11 ms 8184 KB Output is correct
6 Correct 10 ms 8184 KB Output is correct
7 Correct 11 ms 8184 KB Output is correct
8 Correct 11 ms 8060 KB Output is correct
9 Correct 11 ms 8184 KB Output is correct
10 Correct 13 ms 8184 KB Output is correct
11 Correct 11 ms 8184 KB Output is correct
12 Correct 11 ms 8184 KB Output is correct
13 Correct 11 ms 8184 KB Output is correct
14 Correct 11 ms 8184 KB Output is correct
15 Correct 11 ms 8184 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 8184 KB Output is correct
2 Correct 10 ms 8184 KB Output is correct
3 Correct 10 ms 8184 KB Output is correct
4 Correct 10 ms 8184 KB Output is correct
5 Correct 11 ms 8184 KB Output is correct
6 Correct 10 ms 8184 KB Output is correct
7 Correct 11 ms 8184 KB Output is correct
8 Correct 11 ms 8060 KB Output is correct
9 Correct 11 ms 8184 KB Output is correct
10 Correct 13 ms 8184 KB Output is correct
11 Correct 11 ms 8184 KB Output is correct
12 Correct 11 ms 8184 KB Output is correct
13 Correct 11 ms 8184 KB Output is correct
14 Correct 11 ms 8184 KB Output is correct
15 Correct 11 ms 8184 KB Output is correct
16 Correct 11 ms 8184 KB Output is correct
17 Correct 11 ms 8184 KB Output is correct
18 Correct 11 ms 8184 KB Output is correct
19 Correct 11 ms 8184 KB Output is correct
20 Correct 11 ms 8184 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 8184 KB Output is correct
2 Correct 10 ms 8184 KB Output is correct
3 Correct 10 ms 8184 KB Output is correct
4 Correct 10 ms 8184 KB Output is correct
5 Correct 11 ms 8184 KB Output is correct
6 Correct 10 ms 8184 KB Output is correct
7 Correct 11 ms 8184 KB Output is correct
8 Correct 11 ms 8060 KB Output is correct
9 Correct 11 ms 8184 KB Output is correct
10 Correct 13 ms 8184 KB Output is correct
11 Correct 11 ms 8184 KB Output is correct
12 Correct 11 ms 8184 KB Output is correct
13 Correct 11 ms 8184 KB Output is correct
14 Correct 11 ms 8184 KB Output is correct
15 Correct 11 ms 8184 KB Output is correct
16 Correct 11 ms 8184 KB Output is correct
17 Correct 11 ms 8184 KB Output is correct
18 Correct 11 ms 8184 KB Output is correct
19 Correct 11 ms 8184 KB Output is correct
20 Correct 11 ms 8184 KB Output is correct
21 Correct 11 ms 8184 KB Output is correct
22 Correct 10 ms 8184 KB Output is correct
23 Correct 11 ms 8184 KB Output is correct
24 Correct 10 ms 8184 KB Output is correct
25 Correct 11 ms 8184 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 9592 KB Output is correct
2 Correct 16 ms 9592 KB Output is correct
3 Correct 17 ms 9592 KB Output is correct
4 Correct 17 ms 9512 KB Output is correct
5 Correct 18 ms 9464 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 10872 KB Output is correct
2 Correct 34 ms 10876 KB Output is correct
3 Correct 33 ms 10872 KB Output is correct
4 Correct 34 ms 11000 KB Output is correct
5 Correct 32 ms 10872 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 10872 KB Output is correct
2 Correct 37 ms 10872 KB Output is correct
3 Correct 35 ms 10872 KB Output is correct
4 Correct 35 ms 11000 KB Output is correct
5 Correct 36 ms 11000 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 8184 KB Output is correct
2 Correct 10 ms 8184 KB Output is correct
3 Correct 10 ms 8184 KB Output is correct
4 Correct 10 ms 8184 KB Output is correct
5 Correct 11 ms 8184 KB Output is correct
6 Correct 10 ms 8184 KB Output is correct
7 Correct 11 ms 8184 KB Output is correct
8 Correct 11 ms 8060 KB Output is correct
9 Correct 11 ms 8184 KB Output is correct
10 Correct 13 ms 8184 KB Output is correct
11 Correct 16 ms 9592 KB Output is correct
12 Correct 16 ms 9592 KB Output is correct
13 Correct 17 ms 9592 KB Output is correct
14 Correct 17 ms 9512 KB Output is correct
15 Correct 18 ms 9464 KB Output is correct
16 Correct 16 ms 9464 KB Output is correct
17 Correct 16 ms 9592 KB Output is correct
18 Correct 16 ms 9592 KB Output is correct
19 Correct 16 ms 9464 KB Output is correct
20 Correct 16 ms 9592 KB Output is correct
21 Correct 16 ms 9464 KB Output is correct
22 Correct 17 ms 9596 KB Output is correct
23 Correct 17 ms 9592 KB Output is correct
24 Correct 15 ms 9592 KB Output is correct
25 Correct 16 ms 9592 KB Output is correct

Subtask #9
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 8184 KB Output is correct
2 Correct 10 ms 8184 KB Output is correct
3 Correct 10 ms 8184 KB Output is correct
4 Correct 10 ms 8184 KB Output is correct
5 Correct 11 ms 8184 KB Output is correct
6 Correct 10 ms 8184 KB Output is correct
7 Correct 11 ms 8184 KB Output is correct
8 Correct 11 ms 8060 KB Output is correct
9 Correct 11 ms 8184 KB Output is correct
10 Correct 13 ms 8184 KB Output is correct
11 Correct 11 ms 8184 KB Output is correct
12 Correct 11 ms 8184 KB Output is correct
13 Correct 11 ms 8184 KB Output is correct
14 Correct 11 ms 8184 KB Output is correct
15 Correct 11 ms 8184 KB Output is correct
16 Correct 11 ms 8184 KB Output is correct
17 Correct 11 ms 8184 KB Output is correct
18 Correct 11 ms 8184 KB Output is correct
19 Correct 11 ms 8184 KB Output is correct
20 Correct 11 ms 8184 KB Output is correct
21 Correct 11 ms 8184 KB Output is correct
22 Correct 10 ms 8184 KB Output is correct
23 Correct 11 ms 8184 KB Output is correct
24 Correct 10 ms 8184 KB Output is correct
25 Correct 11 ms 8184 KB Output is correct
26 Correct 16 ms 9592 KB Output is correct
27 Correct 16 ms 9592 KB Output is correct
28 Correct 17 ms 9592 KB Output is correct
29 Correct 17 ms 9512 KB Output is correct
30 Correct 18 ms 9464 KB Output is correct
31 Correct 33 ms 10872 KB Output is correct
32 Correct 34 ms 10876 KB Output is correct
33 Correct 33 ms 10872 KB Output is correct
34 Correct 34 ms 11000 KB Output is correct
35 Correct 32 ms 10872 KB Output is correct
36 Correct 32 ms 10872 KB Output is correct
37 Correct 37 ms 10872 KB Output is correct
38 Correct 35 ms 10872 KB Output is correct
39 Correct 35 ms 11000 KB Output is correct
40 Correct 36 ms 11000 KB Output is correct
41 Correct 16 ms 9464 KB Output is correct
42 Correct 16 ms 9592 KB Output is correct
43 Correct 16 ms 9592 KB Output is correct
44 Correct 16 ms 9464 KB Output is correct
45 Correct 16 ms 9592 KB Output is correct
46 Correct 16 ms 9464 KB Output is correct
47 Correct 17 ms 9596 KB Output is correct
48 Correct 17 ms 9592 KB Output is correct
49 Correct 15 ms 9592 KB Output is correct
50 Correct 16 ms 9592 KB Output is correct
51 Correct 36 ms 10360 KB Output is correct
52 Correct 38 ms 10232 KB Output is correct
53 Correct 36 ms 10360 KB Output is correct
54 Correct 47 ms 10232 KB Output is correct
55 Correct 36 ms 10360 KB Output is correct

Subtask #10
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 8184 KB Output is correct
2 Correct 10 ms 8184 KB Output is correct
3 Correct 10 ms 8184 KB Output is correct
4 Correct 10 ms 8184 KB Output is correct
5 Correct 11 ms 8184 KB Output is correct
6 Correct 10 ms 8184 KB Output is correct
7 Correct 11 ms 8184 KB Output is correct
8 Correct 11 ms 8060 KB Output is correct
9 Correct 11 ms 8184 KB Output is correct
10 Correct 13 ms 8184 KB Output is correct
11 Correct 11 ms 8184 KB Output is correct
12 Correct 11 ms 8184 KB Output is correct
13 Correct 11 ms 8184 KB Output is correct
14 Correct 11 ms 8184 KB Output is correct
15 Correct 11 ms 8184 KB Output is correct
16 Correct 11 ms 8184 KB Output is correct
17 Correct 11 ms 8184 KB Output is correct
18 Correct 11 ms 8184 KB Output is correct
19 Correct 11 ms 8184 KB Output is correct
20 Correct 11 ms 8184 KB Output is correct
21 Correct 11 ms 8184 KB Output is correct
22 Correct 10 ms 8184 KB Output is correct
23 Correct 11 ms 8184 KB Output is correct
24 Correct 10 ms 8184 KB Output is correct
25 Correct 11 ms 8184 KB Output is correct
26 Correct 16 ms 9592 KB Output is correct
27 Correct 16 ms 9592 KB Output is correct
28 Correct 17 ms 9592 KB Output is correct
29 Correct 17 ms 9512 KB Output is correct
30 Correct 18 ms 9464 KB Output is correct
31 Correct 33 ms 10872 KB Output is correct
32 Correct 34 ms 10876 KB Output is correct
33 Correct 33 ms 10872 KB Output is correct
34 Correct 34 ms 11000 KB Output is correct
35 Correct 32 ms 10872 KB Output is correct
36 Correct 32 ms 10872 KB Output is correct
37 Correct 37 ms 10872 KB Output is correct
38 Correct 35 ms 10872 KB Output is correct
39 Correct 35 ms 11000 KB Output is correct
40 Correct 36 ms 11000 KB Output is correct
41 Correct 16 ms 9464 KB Output is correct
42 Correct 16 ms 9592 KB Output is correct
43 Correct 16 ms 9592 KB Output is correct
44 Correct 16 ms 9464 KB Output is correct
45 Correct 16 ms 9592 KB Output is correct
46 Correct 16 ms 9464 KB Output is correct
47 Correct 17 ms 9596 KB Output is correct
48 Correct 17 ms 9592 KB Output is correct
49 Correct 15 ms 9592 KB Output is correct
50 Correct 16 ms 9592 KB Output is correct
51 Correct 36 ms 10360 KB Output is correct
52 Correct 38 ms 10232 KB Output is correct
53 Correct 36 ms 10360 KB Output is correct
54 Correct 47 ms 10232 KB Output is correct
55 Correct 36 ms 10360 KB Output is correct
56 Correct 304 ms 27000 KB Output is correct
57 Correct 290 ms 27000 KB Output is correct
58 Correct 293 ms 26104 KB Output is correct
59 Correct 278 ms 26360 KB Output is correct
60 Correct 317 ms 27512 KB Output is correct