Submission #1092722

# Submission time Handle Problem Language Result Execution time Memory
1092722 2024-09-24T20:19:16 Z I_am_Polish_Girl Snowball (JOI21_ho_t2) C++14
33 / 100
91 ms 11448 KB
#pragma GCC optimize("Ofast")
#pragma GCC optimize("O3")
#pragma GCC optimization ("unroll-loops")

#include <vector>
#include <algorithm>
#include <map>
#include <set>
#include <unordered_map>
#include <unordered_set>
#include <stack>
#include <queue>
#include <cmath>
#include <random>
#include <chrono>
#include <iomanip>
#include <iostream>
#include <bitset>

#define int long long

using namespace std;


int log_ = 3;
int inf = 200000000000000;
int mod = 5;

int p = 505;

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

    int n , m;
    cin >> n >> m;

    vector <int> a(n);

    for (int i = 0; i < n; i++)
        cin >> a[i];

    vector <int> pr;

    pr.push_back(0);

    int p = 0;

    for (int i = 0; i < m; i++)
    {
        int x;
        cin >> x;

        p += x;

        pr.push_back(p);
    }

    int mx = 0;
    int mn = 0;

    vector <int> pr2;

    pr2.push_back(0);

    for (int i = 1; i <= m; i++)
    {
        if (mn > pr[i])
        {
            if (i + 1 <= m)
            {
                if (pr[i] > pr[i + 1])
                    continue;
            }

            pr2.push_back(pr[i]);

            mn = pr[i];
        }

        if (mx < pr[i])
        {

            if (i + 1 <= m)
            {
                if (pr[i] < pr[i + 1])
                    continue;
            }


            pr2.push_back(pr[i]);

            mx = pr[i];
        }
    }

    pr = pr2;

    vector <int> l(pr.size(),  0);
    vector <int> r(pr.size() , 0);


    for (int i = 1; i < pr.size(); i++)
    {
        l[i] = min(l[i - 1], pr[i]);
        r[i] = max(r[i - 1], pr[i]);
    }

    for (int i = 0; i < n; i++)
    {
        int pr_ = -inf;

        if (i > 0)
            pr_ = a[i - 1];

        int lx = 0;
        int rx = pr.size();

        while (rx - lx > 1)
        {
            int m = (lx + rx) / 2;

            if ((-l[m] + r[m]) <= (a[i] - pr_))
            {
                lx = m;
            }
            else
                rx = m;
        }

        int ans = 0;

        ans += -l[lx];

        if (lx + 1 < l.size())
        {
            if (l[lx] > l[lx + 1])
            {
                ans += (a[i] - pr_) - (-l[lx] + r[lx]);
            }
        }


        int next_ = inf;

        if (i + 1 < n)
            next_ = a[i + 1];




        lx = 0;
        rx = pr.size();

        while (rx - lx > 1)
        {
            int m = (lx + rx) / 2;

            if ((-l[m] + r[m]) <= (next_ - a[i]))
            {
                lx = m;
            }
            else
                rx = m;
        }

        
        ans += r[lx];

        if (lx + 1 < r.size())
        {
            if (r[lx] < r[lx + 1])
            {
                ans += (next_ - a[i]) - (-l[lx] + r[lx]);
            }
        }


        cout << ans << "\n";
    }
}

Compilation message

Main.cpp:4: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    4 | #pragma GCC optimization ("unroll-loops")
      | 
Main.cpp: In function 'int main()':
Main.cpp:106:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  106 |     for (int i = 1; i < pr.size(); i++)
      |                     ~~^~~~~~~~~~~
Main.cpp:138:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  138 |         if (lx + 1 < l.size())
      |             ~~~~~~~^~~~~~~~~~
Main.cpp:173:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  173 |         if (lx + 1 < r.size())
      |             ~~~~~~~^~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 544 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 508 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 544 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 508 KB Output is correct
20 Correct 19 ms 6600 KB Output is correct
21 Correct 18 ms 6596 KB Output is correct
22 Correct 17 ms 6356 KB Output is correct
23 Correct 17 ms 6040 KB Output is correct
24 Correct 28 ms 6352 KB Output is correct
25 Correct 90 ms 11448 KB Output is correct
26 Correct 91 ms 11208 KB Output is correct
27 Correct 86 ms 10992 KB Output is correct
28 Correct 86 ms 11208 KB Output is correct
29 Correct 79 ms 10332 KB Output is correct
30 Correct 49 ms 7672 KB Output is correct
31 Correct 40 ms 7132 KB Output is correct
32 Correct 35 ms 7116 KB Output is correct
33 Correct 7 ms 1500 KB Output is correct
34 Correct 65 ms 9404 KB Output is correct
35 Correct 63 ms 8952 KB Output is correct
36 Correct 85 ms 11244 KB Output is correct
37 Correct 86 ms 10952 KB Output is correct
38 Correct 84 ms 10956 KB Output is correct
39 Correct 80 ms 11208 KB Output is correct
40 Correct 69 ms 11212 KB Output is correct
41 Incorrect 20 ms 4688 KB Output isn't correct
42 Halted 0 ms 0 KB -