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Submission #209778

# Submission time Handle Problem Language Result Execution time Memory
209778 2020-03-15T14:11:27 Z Alexa2001 Pilot (NOI19_pilot) C++17
89 / 100
 1000 ms 107896 KB 
#include <bits/stdc++.h>

using namespace std;

/// 16:02

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

ll act = 0;

vector<int> v[Nmax], w[Nmax];
int n, q;
ll ans[Nmax];


int t[Nmax], sz[Nmax];


ll take2(int x)
{
    return (ll)x*(x+1)/2;
}

int boss(int x)
{
    if(x == t[x]) return x;
    return t[x] = boss(t[x]);
}

void unite(int x, int y)
{
    x = boss(x); y = boss(y);

    act -= take2(sz[y]) + take2(sz[x]);

    if(sz[x] > sz[y]) swap(x, y);
    t[x] = y;
    sz[y] += sz[x];

    act += take2(sz[y]);
}

void add(int x)
{
    sz[x] = 1; t[x] = x;
    ++act;

    if(sz[x-1]) unite(x, x-1);
    if(sz[x+1]) unite(x, x+1);
}

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)
    {
        int x;
        read(x);
        w[x].push_back(i);
    }

    for(i=1; i<=q; ++i)
    {
        int x;
        read(x);
        v[x].push_back(i);
    }

    for(i=1; i<=Nmax-5; ++i)
    {
        for(auto it : w[i]) add(it);
        for(auto it : v[i]) ans[it] = act;
    }

    for(i=1; i<=q; ++i) cout << ans[i] << '\n';

    return 0;
}

Compilation message

pilot.cpp: In function 'void init_read()':
pilot.cpp:59:35: 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 38 ms 47352 KB Output is correct
2 Correct 37 ms 47352 KB Output is correct
3 Correct 38 ms 47352 KB Output is correct
4 Correct 36 ms 47352 KB Output is correct
5 Correct 37 ms 47352 KB Output is correct
6 Correct 36 ms 47352 KB Output is correct
7 Correct 37 ms 47352 KB Output is correct
8 Correct 37 ms 47352 KB Output is correct
9 Correct 36 ms 47352 KB Output is correct
10 Correct 37 ms 47332 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 47352 KB Output is correct
2 Correct 37 ms 47352 KB Output is correct
3 Correct 38 ms 47352 KB Output is correct
4 Correct 36 ms 47352 KB Output is correct
5 Correct 37 ms 47352 KB Output is correct
6 Correct 36 ms 47352 KB Output is correct
7 Correct 37 ms 47352 KB Output is correct
8 Correct 37 ms 47352 KB Output is correct
9 Correct 36 ms 47352 KB Output is correct
10 Correct 37 ms 47332 KB Output is correct
11 Correct 35 ms 47352 KB Output is correct
12 Correct 37 ms 47356 KB Output is correct
13 Correct 37 ms 47352 KB Output is correct
14 Correct 38 ms 47352 KB Output is correct
15 Correct 37 ms 47352 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 47352 KB Output is correct
2 Correct 37 ms 47352 KB Output is correct
3 Correct 38 ms 47352 KB Output is correct
4 Correct 36 ms 47352 KB Output is correct
5 Correct 37 ms 47352 KB Output is correct
6 Correct 36 ms 47352 KB Output is correct
7 Correct 37 ms 47352 KB Output is correct
8 Correct 37 ms 47352 KB Output is correct
9 Correct 36 ms 47352 KB Output is correct
10 Correct 37 ms 47332 KB Output is correct
11 Correct 35 ms 47352 KB Output is correct
12 Correct 37 ms 47356 KB Output is correct
13 Correct 37 ms 47352 KB Output is correct
14 Correct 38 ms 47352 KB Output is correct
15 Correct 37 ms 47352 KB Output is correct
16 Correct 41 ms 47352 KB Output is correct
17 Correct 37 ms 47352 KB Output is correct
18 Correct 37 ms 47352 KB Output is correct
19 Correct 40 ms 47352 KB Output is correct
20 Correct 37 ms 47352 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 47352 KB Output is correct
2 Correct 37 ms 47352 KB Output is correct
3 Correct 38 ms 47352 KB Output is correct
4 Correct 36 ms 47352 KB Output is correct
5 Correct 37 ms 47352 KB Output is correct
6 Correct 36 ms 47352 KB Output is correct
7 Correct 37 ms 47352 KB Output is correct
8 Correct 37 ms 47352 KB Output is correct
9 Correct 36 ms 47352 KB Output is correct
10 Correct 37 ms 47332 KB Output is correct
11 Correct 35 ms 47352 KB Output is correct
12 Correct 37 ms 47356 KB Output is correct
13 Correct 37 ms 47352 KB Output is correct
14 Correct 38 ms 47352 KB Output is correct
15 Correct 37 ms 47352 KB Output is correct
16 Correct 41 ms 47352 KB Output is correct
17 Correct 37 ms 47352 KB Output is correct
18 Correct 37 ms 47352 KB Output is correct
19 Correct 40 ms 47352 KB Output is correct
20 Correct 37 ms 47352 KB Output is correct
21 Correct 44 ms 47480 KB Output is correct
22 Correct 38 ms 47460 KB Output is correct
23 Correct 37 ms 47352 KB Output is correct
24 Correct 37 ms 47352 KB Output is correct
25 Correct 38 ms 47352 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 50312 KB Output is correct
2 Correct 74 ms 51320 KB Output is correct
3 Correct 55 ms 50168 KB Output is correct
4 Correct 72 ms 50936 KB Output is correct
5 Correct 57 ms 50168 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 55416 KB Output is correct
2 Correct 88 ms 55544 KB Output is correct
3 Correct 86 ms 55452 KB Output is correct
4 Correct 84 ms 55672 KB Output is correct
5 Correct 83 ms 55416 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 55544 KB Output is correct
2 Correct 94 ms 55544 KB Output is correct
3 Correct 96 ms 55672 KB Output is correct
4 Correct 100 ms 55776 KB Output is correct
5 Correct 93 ms 55864 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 47352 KB Output is correct
2 Correct 37 ms 47352 KB Output is correct
3 Correct 38 ms 47352 KB Output is correct
4 Correct 36 ms 47352 KB Output is correct
5 Correct 37 ms 47352 KB Output is correct
6 Correct 36 ms 47352 KB Output is correct
7 Correct 37 ms 47352 KB Output is correct
8 Correct 37 ms 47352 KB Output is correct
9 Correct 36 ms 47352 KB Output is correct
10 Correct 37 ms 47332 KB Output is correct
11 Correct 55 ms 50312 KB Output is correct
12 Correct 74 ms 51320 KB Output is correct
13 Correct 55 ms 50168 KB Output is correct
14 Correct 72 ms 50936 KB Output is correct
15 Correct 57 ms 50168 KB Output is correct
16 Correct 54 ms 50168 KB Output is correct
17 Correct 77 ms 51320 KB Output is correct
18 Correct 80 ms 51320 KB Output is correct
19 Correct 58 ms 50168 KB Output is correct
20 Correct 75 ms 51192 KB Output is correct
21 Correct 53 ms 50040 KB Output is correct
22 Correct 69 ms 51068 KB Output is correct
23 Correct 57 ms 50296 KB Output is correct
24 Correct 71 ms 51064 KB Output is correct
25 Correct 54 ms 50296 KB Output is correct

Subtask #9
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 47352 KB Output is correct
2 Correct 37 ms 47352 KB Output is correct
3 Correct 38 ms 47352 KB Output is correct
4 Correct 36 ms 47352 KB Output is correct
5 Correct 37 ms 47352 KB Output is correct
6 Correct 36 ms 47352 KB Output is correct
7 Correct 37 ms 47352 KB Output is correct
8 Correct 37 ms 47352 KB Output is correct
9 Correct 36 ms 47352 KB Output is correct
10 Correct 37 ms 47332 KB Output is correct
11 Correct 35 ms 47352 KB Output is correct
12 Correct 37 ms 47356 KB Output is correct
13 Correct 37 ms 47352 KB Output is correct
14 Correct 38 ms 47352 KB Output is correct
15 Correct 37 ms 47352 KB Output is correct
16 Correct 41 ms 47352 KB Output is correct
17 Correct 37 ms 47352 KB Output is correct
18 Correct 37 ms 47352 KB Output is correct
19 Correct 40 ms 47352 KB Output is correct
20 Correct 37 ms 47352 KB Output is correct
21 Correct 44 ms 47480 KB Output is correct
22 Correct 38 ms 47460 KB Output is correct
23 Correct 37 ms 47352 KB Output is correct
24 Correct 37 ms 47352 KB Output is correct
25 Correct 38 ms 47352 KB Output is correct
26 Correct 55 ms 50312 KB Output is correct
27 Correct 74 ms 51320 KB Output is correct
28 Correct 55 ms 50168 KB Output is correct
29 Correct 72 ms 50936 KB Output is correct
30 Correct 57 ms 50168 KB Output is correct
31 Correct 86 ms 55416 KB Output is correct
32 Correct 88 ms 55544 KB Output is correct
33 Correct 86 ms 55452 KB Output is correct
34 Correct 84 ms 55672 KB Output is correct
35 Correct 83 ms 55416 KB Output is correct
36 Correct 93 ms 55544 KB Output is correct
37 Correct 94 ms 55544 KB Output is correct
38 Correct 96 ms 55672 KB Output is correct
39 Correct 100 ms 55776 KB Output is correct
40 Correct 93 ms 55864 KB Output is correct
41 Correct 54 ms 50168 KB Output is correct
42 Correct 77 ms 51320 KB Output is correct
43 Correct 80 ms 51320 KB Output is correct
44 Correct 58 ms 50168 KB Output is correct
45 Correct 75 ms 51192 KB Output is correct
46 Correct 53 ms 50040 KB Output is correct
47 Correct 69 ms 51068 KB Output is correct
48 Correct 57 ms 50296 KB Output is correct
49 Correct 71 ms 51064 KB Output is correct
50 Correct 54 ms 50296 KB Output is correct
51 Correct 111 ms 54392 KB Output is correct
52 Correct 129 ms 55268 KB Output is correct
53 Correct 109 ms 54264 KB Output is correct
54 Correct 125 ms 55264 KB Output is correct
55 Correct 100 ms 54264 KB Output is correct

Subtask #10
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 47352 KB Output is correct
2 Correct 37 ms 47352 KB Output is correct
3 Correct 38 ms 47352 KB Output is correct
4 Correct 36 ms 47352 KB Output is correct
5 Correct 37 ms 47352 KB Output is correct
6 Correct 36 ms 47352 KB Output is correct
7 Correct 37 ms 47352 KB Output is correct
8 Correct 37 ms 47352 KB Output is correct
9 Correct 36 ms 47352 KB Output is correct
10 Correct 37 ms 47332 KB Output is correct
11 Correct 35 ms 47352 KB Output is correct
12 Correct 37 ms 47356 KB Output is correct
13 Correct 37 ms 47352 KB Output is correct
14 Correct 38 ms 47352 KB Output is correct
15 Correct 37 ms 47352 KB Output is correct
16 Correct 41 ms 47352 KB Output is correct
17 Correct 37 ms 47352 KB Output is correct
18 Correct 37 ms 47352 KB Output is correct
19 Correct 40 ms 47352 KB Output is correct
20 Correct 37 ms 47352 KB Output is correct
21 Correct 44 ms 47480 KB Output is correct
22 Correct 38 ms 47460 KB Output is correct
23 Correct 37 ms 47352 KB Output is correct
24 Correct 37 ms 47352 KB Output is correct
25 Correct 38 ms 47352 KB Output is correct
26 Correct 55 ms 50312 KB Output is correct
27 Correct 74 ms 51320 KB Output is correct
28 Correct 55 ms 50168 KB Output is correct
29 Correct 72 ms 50936 KB Output is correct
30 Correct 57 ms 50168 KB Output is correct
31 Correct 86 ms 55416 KB Output is correct
32 Correct 88 ms 55544 KB Output is correct
33 Correct 86 ms 55452 KB Output is correct
34 Correct 84 ms 55672 KB Output is correct
35 Correct 83 ms 55416 KB Output is correct
36 Correct 93 ms 55544 KB Output is correct
37 Correct 94 ms 55544 KB Output is correct
38 Correct 96 ms 55672 KB Output is correct
39 Correct 100 ms 55776 KB Output is correct
40 Correct 93 ms 55864 KB Output is correct
41 Correct 54 ms 50168 KB Output is correct
42 Correct 77 ms 51320 KB Output is correct
43 Correct 80 ms 51320 KB Output is correct
44 Correct 58 ms 50168 KB Output is correct
45 Correct 75 ms 51192 KB Output is correct
46 Correct 53 ms 50040 KB Output is correct
47 Correct 69 ms 51068 KB Output is correct
48 Correct 57 ms 50296 KB Output is correct
49 Correct 71 ms 51064 KB Output is correct
50 Correct 54 ms 50296 KB Output is correct
51 Correct 111 ms 54392 KB Output is correct
52 Correct 129 ms 55268 KB Output is correct
53 Correct 109 ms 54264 KB Output is correct
54 Correct 125 ms 55264 KB Output is correct
55 Correct 100 ms 54264 KB Output is correct
56 Execution timed out 1020 ms 107896 KB Time limit exceeded
57 Halted 0 ms 0 KB -