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Submission #763686

# Submission time Handle Problem Language Result Execution time Memory
763686 2023-06-22T15:41:02 Z HoriaHaivas Pilot (NOI19_pilot) C++14
18 / 100
 29 ms 5304 KB 
/*
    "TLE is like the wind, always by my side"
    - Yasuo - 2022 -
*/
#include <bits/stdc++.h>
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "
#pragma GCC optimize("Ofast")
#define int long long

using namespace std;

struct number
{
    int val;
    int poz;
};

number v[2000001];
bool enable[2000001];
int ans[2000001];
int query[2000001];
int originalquery[2000001];
int cardinal[2000001];
int root[2000001];
int total;

bool cmp (number a, number b)
{
    if (a.val!=b.val)
    return a.val<b.val;
    else
    return a.poz<b.poz;
}

void unite(int a, int b)
{
    if (cardinal[a]>cardinal[b])
        swap(a,b);
    root[a]=root[b];
    cardinal[b]+=cardinal[a];
    cardinal[a]=cardinal[b];
}

int searchset(int a)
{
    if (root[a]==a)
        return a;
    root[a]=searchset(root[a]);
    return root[a];
}

void update(int index)
{
    enable[index]=1;
    root[index]=index;
    cardinal[index]=1;
    int enter;
    enter=0;
    if (enable[index-1])
    {
        enter++;
    }
    if (enable[index+1])
    {
        enter++;
    }
    if (enter==0)
        total++;
    if (enter==1)
    {
        if (enable[index-1])
        {
            total+=cardinal[searchset(index-1)]+1;
            unite(searchset(index-1),searchset(index));
        }
        else
        {
            total+=cardinal[searchset(index+1)]+1;
            unite(searchset(index+1),searchset(index));
        }
    }
    if (enter==2)
    {
        total-=cardinal[searchset(index-1)]*(cardinal[searchset(index-1)]+1)/2;
        total-=cardinal[searchset(index+1)]*(cardinal[searchset(index+1)]+1)/2;
        unite(searchset(index-1),searchset(index));
        unite(searchset(index+1),searchset(index));
        total+=cardinal[searchset(index)]*(cardinal[searchset(index)]+1)/2;
    }
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n,q,i,j,cnt;
    cin >> n >> q;
    for (i=1; i<=n; i++)
    {
        cin >> v[i].val;
        v[i].poz=i;
    }
    for (i=1;i<=q;i++)
    {
         cin >> originalquery[i];
         query[i]=originalquery[i];
    }
    sort(query+1,query+1+q);
    sort(v+1,v+1+n,cmp);
    cnt=1;
    while (query[cnt]<v[1].val)
           cnt++;
    total=0;
    for (i=1; i<=n; i++)
    {
        update(v[i].poz);
        if (v[i].val!=v[i+1].val && (query[cnt]>=v[i].val && (i==n || query[cnt]<v[i+1].val)))
        {
            ans[query[cnt]]=total;
            cnt++;
        }
    }
    for (i=1;i<=q;i++)
    {
         if (originalquery[i]<=v[n].val)
         cout << ans[originalquery[i]] << "\n";
         else
         cout << total << "\n";
    }
}

Compilation message

pilot.cpp: In function 'int main()':
pilot.cpp:98:15: warning: unused variable 'j' [-Wunused-variable]
   98 |     int n,q,i,j,cnt;
      |               ^

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 6 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 6 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 6 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 6 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Incorrect 0 ms 340 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 6 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 6 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Incorrect 0 ms 340 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 6 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 6 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Incorrect 0 ms 340 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 3488 KB Output is correct
2 Correct 20 ms 3540 KB Output is correct
3 Correct 18 ms 3356 KB Output is correct
4 Correct 17 ms 3172 KB Output is correct
5 Correct 17 ms 3284 KB Output is correct

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 28 ms 5304 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 29 ms 4940 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 6 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 6 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 18 ms 3488 KB Output is correct
12 Correct 20 ms 3540 KB Output is correct
13 Correct 18 ms 3356 KB Output is correct
14 Correct 17 ms 3172 KB Output is correct
15 Correct 17 ms 3284 KB Output is correct
16 Correct 18 ms 3324 KB Output is correct
17 Correct 19 ms 3424 KB Output is correct
18 Correct 18 ms 3568 KB Output is correct
19 Correct 17 ms 3212 KB Output is correct
20 Correct 18 ms 3388 KB Output is correct
21 Correct 17 ms 3292 KB Output is correct
22 Correct 19 ms 3284 KB Output is correct
23 Correct 19 ms 3580 KB Output is correct
24 Correct 17 ms 3284 KB Output is correct
25 Correct 18 ms 3400 KB Output is correct

Subtask #9
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 6 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 6 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Incorrect 0 ms 340 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #10
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 6 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 6 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Incorrect 0 ms 340 KB Output isn't correct
12 Halted 0 ms 0 KB -