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Submission #578553

# Submission time Handle Problem Language Result Execution time Memory
578553 2022-06-17T08:57:43 Z Tenis0206 Potatoes and fertilizers (LMIO19_bulves) C++11
100 / 100
 247 ms 54008 KB 
#include <bits/stdc++.h>
#define int long long

using namespace std;

int n;
int v[500005];

struct slopetrick
{
    int a,b;
    priority_queue<int> *s;
    slopetrick()
    {
        a = b = 0;
        s = new priority_queue<int>;
    }
    void operator += (slopetrick other)
    {
        a += other.a;
        b += other.b;
        if(s->size()<other.s->size())
        {
            swap(s,other.s);
        }
        while(other.s->size())
        {
            s->push(other.s->top());
            other.s->pop();
        }
    }
    void elim()
    {
        while(a>0)
        {
            b += s->top();
            s->pop();
            --a;
        }
    }
};

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        int a,b;
        cin>>a>>b;
        v[i] = v[i-1] + a - b;
    }
    slopetrick rez;
    int val = 0;
    for(int i=1; i<n; i++)
    {
        slopetrick aux;
        if(v[i]<0)
        {
            val += abs(v[i]);
            aux.a = 1, aux.b = 0;
            aux.s->push(0);
            aux.s->push(0);
        }
        else if(v[i]>v[n])
        {
            val += v[i] - v[n];
            aux.a = 1, aux.b = -v[n];
            aux.s->push(v[n]);
            aux.s->push(v[n]);
        }
        else
        {
            aux.a = 1, aux.b = -v[i];
            aux.s->push(v[i]);
            aux.s->push(v[i]);
        }
        rez += aux;
        rez.elim();
    }
    val += rez.b;
    cout<<val<<'\n';
    return 0;
}

Subtask #1
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 14 ms 5032 KB Output is correct
5 Correct 28 ms 9624 KB Output is correct
6 Correct 85 ms 23724 KB Output is correct
7 Correct 175 ms 47168 KB Output is correct
8 Correct 161 ms 47248 KB Output is correct
9 Correct 140 ms 47200 KB Output is correct
10 Correct 128 ms 47256 KB Output is correct
11 Correct 126 ms 47216 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 14 ms 5032 KB Output is correct
5 Correct 28 ms 9624 KB Output is correct
6 Correct 85 ms 23724 KB Output is correct
7 Correct 175 ms 47168 KB Output is correct
8 Correct 161 ms 47248 KB Output is correct
9 Correct 140 ms 47200 KB Output is correct
10 Correct 128 ms 47256 KB Output is correct
11 Correct 126 ms 47216 KB Output is correct
12 Correct 50 ms 12000 KB Output is correct
13 Correct 112 ms 32464 KB Output is correct
14 Correct 168 ms 54008 KB Output is correct
15 Correct 147 ms 52064 KB Output is correct
16 Correct 147 ms 51500 KB Output is correct
17 Correct 172 ms 49240 KB Output is correct
18 Correct 2 ms 596 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 2 ms 596 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 2 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 2 ms 592 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 2 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 2 ms 592 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 2 ms 640 KB Output is correct
14 Correct 2 ms 596 KB Output is correct
15 Correct 2 ms 624 KB Output is correct
16 Correct 2 ms 596 KB Output is correct
17 Correct 2 ms 596 KB Output is correct
18 Correct 2 ms 596 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 2 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 2 ms 592 KB Output is correct
11 Correct 14 ms 5032 KB Output is correct
12 Correct 28 ms 9624 KB Output is correct
13 Correct 85 ms 23724 KB Output is correct
14 Correct 175 ms 47168 KB Output is correct
15 Correct 161 ms 47248 KB Output is correct
16 Correct 140 ms 47200 KB Output is correct
17 Correct 128 ms 47256 KB Output is correct
18 Correct 126 ms 47216 KB Output is correct
19 Correct 50 ms 12000 KB Output is correct
20 Correct 112 ms 32464 KB Output is correct
21 Correct 168 ms 54008 KB Output is correct
22 Correct 147 ms 52064 KB Output is correct
23 Correct 147 ms 51500 KB Output is correct
24 Correct 172 ms 49240 KB Output is correct
25 Correct 2 ms 468 KB Output is correct
26 Correct 2 ms 640 KB Output is correct
27 Correct 2 ms 596 KB Output is correct
28 Correct 2 ms 624 KB Output is correct
29 Correct 2 ms 596 KB Output is correct
30 Correct 2 ms 596 KB Output is correct
31 Correct 2 ms 596 KB Output is correct
32 Correct 2 ms 596 KB Output is correct
33 Correct 57 ms 13756 KB Output is correct
34 Correct 131 ms 32608 KB Output is correct
35 Correct 211 ms 53936 KB Output is correct
36 Correct 189 ms 51524 KB Output is correct
37 Correct 174 ms 52120 KB Output is correct
38 Correct 247 ms 53992 KB Output is correct
39 Correct 152 ms 50160 KB Output is correct
40 Correct 157 ms 45696 KB Output is correct
41 Correct 156 ms 49316 KB Output is correct
42 Correct 158 ms 49136 KB Output is correct
43 Correct 170 ms 49328 KB Output is correct
44 Correct 144 ms 49188 KB Output is correct
45 Correct 179 ms 53992 KB Output is correct
46 Correct 170 ms 49524 KB Output is correct
47 Correct 136 ms 39600 KB Output is correct