oj.uz

Submission #1092723

# Submission time Handle Problem Language Result Execution time Memory
1092723 2024-09-24T20:21:29 Z I_am_Polish_Girl Snowball (JOI21_ho_t2) C++14
100 / 100
 95 ms 15316 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 = 2000000000000000000;
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())
      |             ~~~~~~~^~~~~~~~~~

Subtask #1
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 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 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 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 0 ms 348 KB Output is correct

Subtask #2
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 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 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 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 0 ms 348 KB Output is correct
20 Correct 19 ms 4480 KB Output is correct
21 Correct 20 ms 4560 KB Output is correct
22 Correct 17 ms 4460 KB Output is correct
23 Correct 17 ms 4556 KB Output is correct
24 Correct 23 ms 4820 KB Output is correct
25 Correct 85 ms 7752 KB Output is correct
26 Correct 84 ms 7624 KB Output is correct
27 Correct 95 ms 7372 KB Output is correct
28 Correct 86 ms 7368 KB Output is correct
29 Correct 80 ms 6860 KB Output is correct
30 Correct 48 ms 4300 KB Output is correct
31 Correct 38 ms 4056 KB Output is correct
32 Correct 40 ms 4028 KB Output is correct
33 Correct 8 ms 992 KB Output is correct
34 Correct 61 ms 5276 KB Output is correct
35 Correct 62 ms 5332 KB Output is correct
36 Correct 86 ms 7624 KB Output is correct
37 Correct 82 ms 7368 KB Output is correct
38 Correct 83 ms 7368 KB Output is correct
39 Correct 80 ms 7368 KB Output is correct
40 Correct 65 ms 7376 KB Output is correct
41 Correct 19 ms 2552 KB Output is correct
42 Correct 33 ms 7260 KB Output is correct
43 Correct 72 ms 15176 KB Output is correct
44 Correct 20 ms 9296 KB Output is correct
45 Correct 63 ms 10984 KB Output is correct
46 Correct 69 ms 15316 KB Output is correct
47 Correct 68 ms 12744 KB Output is correct
48 Correct 48 ms 10948 KB Output is correct