oj.uz

Submission #915477

# Submission time Handle Problem Language Result Execution time Memory
915477 2024-01-24T03:12:37 Z HorizonWest Snowball (JOI21_ho_t2) C++17
100 / 100
 109 ms 13896 KB 
#include <bits/stdc++.h>
using namespace std;

#define endl '\n'
#define db double
#define ll __int128
#define int long long
#define pb push_back
#define fs first
#define sd second
#define Mod long(1e9 + 7)
#define all(x) x.begin(), x.end()
#define unvisited long(-1)
#define Eps double(1e-9)
#define _for(i, n) for(int i = 0; i < (n); i++)
#define dbg(x) cout << #x ": " << x << endl;

const int Max = 1e6 + 7, Inf = 1e18 + 7;

void print(bool x) { cout << (x ? "YES" : "NO") << endl; }

string tostring (__int128 x)
{
    string ans = "";
    while(x > 0)
    {
        ans += (x % 10 + '0');
        x /= 10;
    }
    reverse(all(ans));
    return ans;
}

void solve()
{
    int n, q; cin >> n >> q; 
    vector <int> v(n); 
    for(auto& u : v) cin >> u;

    vector <int> s(q), mx(q), mn(q); 
    for(int i = 0; i < q; i++)
    {
        cin >> s[i]; 
        if(i != 0)
        {
            s[i] += s[i-1];
            mn[i] = min(s[i], mn[i-1]);
            mx[i] = max(s[i], mx[i-1]);
        }
        else 
        {        
            mn[i] = mx[i] = s[i];
        }
    }

    for(int i = 0; i < n; i++)
    {
        int a = -1, b = q, ans = 0, x, y;

        x = v[i]; y = (i+1 != n ? v[i+1] : Inf);
        while(abs(a - b) != 1)
        {
            int c = (a + b) / 2; 

            if(mx[c] + x < mn[c] + y)
                a = c; 
            else 
                b = c;
        }  

        if(a != -1) 
        {
            int temp = 0, t = a;
            for(int j = 0; j + t < q && j < 5; j++)
            {
                temp = max(temp, min(min((y + mn[a]), (x + mx[a])) - x, abs(x - y))); 
                //cerr << min((y + mn[a]), (x + mx[a])) - x << " " << min((y + mn[a]), (x + mx[a])) << " "<< temp << endl;
                a++;
            }
            ans += temp; //cerr << "A: " << mx[a] << " " << temp << endl;
        }

        a = -1; b = q; 

        x = v[i]; y = (i != 0 ? v[i-1] : -Inf);
        
        while(abs(a - b) != 1)
        {
            int c = (a + b) / 2;//cerr << mx[c] + x << " " << mn[c] + y << endl;

            if(mn[c] + x > mx[c] + y)
                a = c; 
            else 
                b = c;
        }   //cerr << a << " " << mn[a] << endl;

        if(a != -1)
        {
            int temp = 0, t = a; //cerr << a << " " << x - mn[a] << " " << mx[a] << endl;
            for(int j = 0; j + t < q && j < 5; j++)
            {      //cerr << max((x + mn[a]), (y + mx[a])) << endl;
                temp = max(temp, min(x - max((x + mn[a]), (y + mx[a])), abs(x - y)));
                a++;
            }
            ans += temp; //cerr << "B: " << mx[a] << " " << temp << endl;
        }

        cout << ans << endl;    
    }
}

int32_t main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int Q = 1; //cin >> Q;

    while (Q--)
    {
        solve();
    }

    return 0;
}

Subtask #1
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 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 344 KB Output is correct
7 Correct 1 ms 344 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 452 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 1 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 348 KB Output is correct

Subtask #2
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 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 344 KB Output is correct
7 Correct 1 ms 344 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 452 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 1 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 348 KB Output is correct
20 Correct 20 ms 4956 KB Output is correct
21 Correct 19 ms 4956 KB Output is correct
22 Correct 18 ms 4956 KB Output is correct
23 Correct 17 ms 5184 KB Output is correct
24 Correct 25 ms 5392 KB Output is correct
25 Correct 105 ms 8084 KB Output is correct
26 Correct 103 ms 8120 KB Output is correct
27 Correct 106 ms 8004 KB Output is correct
28 Correct 102 ms 8020 KB Output is correct
29 Correct 100 ms 7760 KB Output is correct
30 Correct 102 ms 7672 KB Output is correct
31 Correct 84 ms 6996 KB Output is correct
32 Correct 74 ms 6888 KB Output is correct
33 Correct 9 ms 1116 KB Output is correct
34 Correct 105 ms 8240 KB Output is correct
35 Correct 109 ms 8020 KB Output is correct
36 Correct 103 ms 8276 KB Output is correct
37 Correct 105 ms 8064 KB Output is correct
38 Correct 102 ms 8008 KB Output is correct
39 Correct 103 ms 8016 KB Output is correct
40 Correct 87 ms 8020 KB Output is correct
41 Correct 20 ms 4956 KB Output is correct
42 Correct 75 ms 10060 KB Output is correct
43 Correct 101 ms 13740 KB Output is correct
44 Correct 20 ms 7760 KB Output is correct
45 Correct 78 ms 11648 KB Output is correct
46 Correct 91 ms 13616 KB Output is correct
47 Correct 93 ms 13896 KB Output is correct
48 Correct 92 ms 13732 KB Output is correct