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Submission #482619

# Submission time Handle Problem Language Result Execution time Memory
482619 2021-10-25T22:32:08 Z Ozy Global Warming (CEOI18_glo) C++17
38 / 100
 112 ms 9708 KB 
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define rep(i,a,b) for(int i = (a); i <= (b); i++)
#define repa(i,a,b) for(int i = (a); i >= (b); i--)
#define debug(a) cout << #a << " = " << a << endl
#define debugsl(a) cout << #a << " = " << a << ", "

#define MAX 200000
#define LIM 1000000000
#define alt first
#define val second

lli n,x,res,a,num;
lli arr[MAX+2] , elevados[MAX+2];
set<pair<lli,lli> > lis;
set<pair<lli,lli> >::iterator it,pas;
bool gf;

void LIS(lli act,lli pos) {

    pair<lli,lli> nuevo;

    if (lis.empty()) lis.insert({act,1ll});
    else {

        it = lis.lower_bound({act,0});
        if (it == lis.begin()) nuevo = {act,1};
        else {
            it--;
            nuevo = {act, (*it).val + 1};
        }

        it++;
        while (true) {

            if (it == lis.end()) break;
            if ( (*it).val > nuevo.val) break;

            pas = it;
            it++;
            lis.erase(pas);

        }
        lis.insert({nuevo});
    }

}


void LISa(lli act,lli pos) {

    pair<lli,lli> nuevo;

    if (lis.empty()) {
        lis.insert({act,1});
        elevados[pos] = 1;
    }
    else {

        it = lis.upper_bound({act,LIM+2});
        if (it == lis.end()) nuevo = {act,1};
        else nuevo = {act, (*it).val + 1};

        gf = false;
        do {
            if (it == lis.begin()) break;
            else {
                it--;
                if (gf) lis.erase(pas);
                gf =true;
                pas=it;
            }

            if ( (*it).val > nuevo.val) break;

        } while (true);

        lis.insert(nuevo);
        elevados[pos] = nuevo.val;
    }

}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    //leer
    cin >> n >> x;
    rep(i,1,n) cin >> arr[i];

    // LIS al reves y asignar valores a cada i
    repa(i,n,1) LISa(arr[i],i);

    // lis hacia enfrente, checar primero y luego agregar al LIS
    lis.clear();
    rep(i,1,n) {

        num = arr[i] + x;

        if (i > 1) {

            it = lis.upper_bound({num-1,LIM+2});
            if (it != lis.begin()) {
                it--;
                a = (*it).val;
            }
            else a = 0;

        }
        else a = 0;

        a += elevados[i];
        if (a > res) res = a;


        LIS(arr[i],i);

    }

    //Imprimir
    cout << res;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 320 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 320 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 320 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 106 ms 3500 KB Output is correct
2 Correct 105 ms 3460 KB Output is correct
3 Correct 109 ms 3464 KB Output is correct
4 Correct 106 ms 3388 KB Output is correct
5 Correct 107 ms 9708 KB Output is correct

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 1228 KB Output is correct
2 Correct 25 ms 1116 KB Output is correct
3 Correct 25 ms 1100 KB Output is correct
4 Correct 24 ms 2672 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 22 ms 2688 KB Output is correct
7 Incorrect 25 ms 1228 KB Output isn't correct

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 1988 KB Output is correct
2 Correct 47 ms 2032 KB Output is correct
3 Correct 100 ms 3596 KB Output is correct
4 Correct 112 ms 9608 KB Output is correct
5 Correct 50 ms 5060 KB Output is correct
6 Correct 100 ms 9332 KB Output is correct
7 Correct 92 ms 9284 KB Output is correct
8 Incorrect 40 ms 2052 KB Output isn't correct

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 320 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 320 KB Output is correct
27 Correct 106 ms 3500 KB Output is correct
28 Correct 105 ms 3460 KB Output is correct
29 Correct 109 ms 3464 KB Output is correct
30 Correct 106 ms 3388 KB Output is correct
31 Correct 107 ms 9708 KB Output is correct
32 Correct 25 ms 1228 KB Output is correct
33 Correct 25 ms 1116 KB Output is correct
34 Correct 25 ms 1100 KB Output is correct
35 Correct 24 ms 2672 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 22 ms 2688 KB Output is correct
38 Incorrect 25 ms 1228 KB Output isn't correct