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Submission #763685

# Submission time Handle Problem Language Result Execution time Memory
763685 2023-06-22T15:39:08 Z HoriaHaivas Pilot (NOI19_pilot) C++14
18 / 100
 34 ms 5288 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;
    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 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 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 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 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 1 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 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 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 1 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 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 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 1 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 3392 KB Output is correct
2 Correct 18 ms 3420 KB Output is correct
3 Correct 18 ms 3332 KB Output is correct
4 Correct 18 ms 3284 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 34 ms 5288 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 30 ms 5076 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 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 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 3392 KB Output is correct
12 Correct 18 ms 3420 KB Output is correct
13 Correct 18 ms 3332 KB Output is correct
14 Correct 18 ms 3284 KB Output is correct
15 Correct 17 ms 3284 KB Output is correct
16 Correct 17 ms 3860 KB Output is correct
17 Correct 19 ms 4172 KB Output is correct
18 Correct 19 ms 4232 KB Output is correct
19 Correct 17 ms 3788 KB Output is correct
20 Correct 18 ms 4020 KB Output is correct
21 Correct 17 ms 3792 KB Output is correct
22 Correct 20 ms 3888 KB Output is correct
23 Correct 19 ms 4056 KB Output is correct
24 Correct 19 ms 3924 KB Output is correct
25 Correct 19 ms 3912 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 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 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 1 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 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 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 1 ms 340 KB Output isn't correct
12 Halted 0 ms 0 KB -