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Submission #957572

# Submission time Handle Problem Language Result Execution time Memory
957572 2024-04-04T04:22:58 Z 12345678 Palembang Bridges (APIO15_bridge) C++17
100 / 100
 81 ms 9356 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
const int nx=1e5+5;

#define ll long long

ll k, n, b[nx], d[nx], cnt, res, dpl[nx], dpr[nx], sml, smr, ans=LLONG_MAX;
char a[nx], c[nx];
vector<pair<ll, ll>> v(nx);
priority_queue<ll> pql;
priority_queue<ll, vector<ll>, greater<ll>> pqr;

void insert(int x)
{
    if (pql.empty()||(x<=pql.top())) pql.push(x), sml+=x;
    else pqr.push(x), smr+=x;
}

void adjust()
{
    while (pql.size()>pqr.size()) sml-=pql.top(), pqr.push(pql.top()), pql.pop(), smr+=pqr.top();
    while (pqr.size()>pql.size()) smr-=pqr.top(), pql.push(pqr.top()), pqr.pop(), sml+=pql.top();
}

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>k>>n;
    for (int i=1; i<=n; i++)
    {
        cin>>a[i]>>b[i]>>c[i]>>d[i];
        if (a[i]==c[i]) res+=abs(b[i]-d[i]);
        else res++, v[++cnt]={b[i]+d[i], i};
    }
    sort(v.begin()+1, v.begin()+cnt+1);
    //for (int i=1; i<=cnt; i++) cout<<v[i].first<<' '<<v[i].second<<'\n';
    for (int i=1; i<=cnt; i++)
    {
        insert(b[v[i].second]);
        insert(d[v[i].second]);
        adjust();
        dpl[i]=smr-sml;
    }
    if (k==1) return cout<<dpl[cnt]+res, 0;
    while (!pql.empty()) pql.pop(), pqr.pop();
    sml=smr=0;
    for (int i=cnt; i>=1; i--)
    {
        insert(b[v[i].second]);
        insert(d[v[i].second]);
        adjust();
        dpr[i]=smr-sml;
    }
    for (int i=0; i<=cnt; i++) ans=min(ans, dpl[i]+dpr[i+1]+res);
    cout<<ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3932 KB Output is correct
2 Correct 1 ms 3932 KB Output is correct
3 Correct 1 ms 3932 KB Output is correct
4 Correct 1 ms 3932 KB Output is correct
5 Correct 2 ms 3932 KB Output is correct
6 Correct 1 ms 3932 KB Output is correct
7 Correct 2 ms 3932 KB Output is correct
8 Correct 2 ms 3928 KB Output is correct
9 Correct 1 ms 3932 KB Output is correct
10 Correct 1 ms 3932 KB Output is correct
11 Correct 1 ms 3932 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3932 KB Output is correct
2 Correct 1 ms 3932 KB Output is correct
3 Correct 1 ms 3932 KB Output is correct
4 Correct 1 ms 3932 KB Output is correct
5 Correct 2 ms 3932 KB Output is correct
6 Correct 2 ms 3932 KB Output is correct
7 Correct 2 ms 3932 KB Output is correct
8 Correct 1 ms 3932 KB Output is correct
9 Correct 1 ms 3932 KB Output is correct
10 Correct 1 ms 3932 KB Output is correct
11 Correct 1 ms 3932 KB Output is correct
12 Correct 21 ms 7120 KB Output is correct
13 Correct 37 ms 7112 KB Output is correct
14 Correct 31 ms 6708 KB Output is correct
15 Correct 22 ms 5508 KB Output is correct
16 Correct 19 ms 7116 KB Output is correct
17 Correct 32 ms 7312 KB Output is correct
18 Correct 33 ms 7120 KB Output is correct
19 Correct 35 ms 7004 KB Output is correct
20 Correct 30 ms 7108 KB Output is correct
21 Correct 32 ms 7120 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3932 KB Output is correct
2 Correct 1 ms 3932 KB Output is correct
3 Correct 1 ms 3928 KB Output is correct
4 Correct 1 ms 3932 KB Output is correct
5 Correct 1 ms 4252 KB Output is correct
6 Correct 1 ms 3928 KB Output is correct
7 Correct 1 ms 3932 KB Output is correct
8 Correct 1 ms 3932 KB Output is correct
9 Correct 1 ms 3928 KB Output is correct
10 Correct 1 ms 3932 KB Output is correct
11 Correct 1 ms 3932 KB Output is correct
12 Correct 1 ms 3932 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3932 KB Output is correct
2 Correct 1 ms 3932 KB Output is correct
3 Correct 1 ms 3932 KB Output is correct
4 Correct 1 ms 3932 KB Output is correct
5 Correct 1 ms 3932 KB Output is correct
6 Correct 1 ms 3932 KB Output is correct
7 Correct 1 ms 3928 KB Output is correct
8 Correct 1 ms 3932 KB Output is correct
9 Correct 1 ms 3928 KB Output is correct
10 Correct 1 ms 3932 KB Output is correct
11 Correct 1 ms 3932 KB Output is correct
12 Correct 2 ms 3932 KB Output is correct
13 Correct 1 ms 3928 KB Output is correct
14 Correct 2 ms 3932 KB Output is correct
15 Correct 2 ms 3932 KB Output is correct
16 Correct 1 ms 3932 KB Output is correct
17 Correct 1 ms 4088 KB Output is correct
18 Correct 2 ms 3928 KB Output is correct
19 Correct 2 ms 3932 KB Output is correct
20 Correct 2 ms 3932 KB Output is correct
21 Correct 2 ms 3932 KB Output is correct
22 Correct 2 ms 3904 KB Output is correct
23 Correct 1 ms 3932 KB Output is correct
24 Correct 2 ms 3940 KB Output is correct

Subtask #5
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3932 KB Output is correct
2 Correct 1 ms 3932 KB Output is correct
3 Correct 1 ms 3932 KB Output is correct
4 Correct 2 ms 3932 KB Output is correct
5 Correct 1 ms 3932 KB Output is correct
6 Correct 1 ms 3932 KB Output is correct
7 Correct 1 ms 4096 KB Output is correct
8 Correct 1 ms 3932 KB Output is correct
9 Correct 1 ms 3932 KB Output is correct
10 Correct 1 ms 3932 KB Output is correct
11 Correct 1 ms 3928 KB Output is correct
12 Correct 1 ms 3928 KB Output is correct
13 Correct 1 ms 3928 KB Output is correct
14 Correct 2 ms 3932 KB Output is correct
15 Correct 2 ms 3928 KB Output is correct
16 Correct 1 ms 3928 KB Output is correct
17 Correct 2 ms 3928 KB Output is correct
18 Correct 1 ms 3932 KB Output is correct
19 Correct 2 ms 3932 KB Output is correct
20 Correct 2 ms 3932 KB Output is correct
21 Correct 2 ms 3932 KB Output is correct
22 Correct 2 ms 3932 KB Output is correct
23 Correct 1 ms 4104 KB Output is correct
24 Correct 2 ms 3932 KB Output is correct
25 Correct 46 ms 7792 KB Output is correct
26 Correct 53 ms 7952 KB Output is correct
27 Correct 66 ms 8776 KB Output is correct
28 Correct 78 ms 9316 KB Output is correct
29 Correct 81 ms 9356 KB Output is correct
30 Correct 35 ms 6608 KB Output is correct
31 Correct 26 ms 8212 KB Output is correct
32 Correct 63 ms 9040 KB Output is correct
33 Correct 51 ms 8740 KB Output is correct
34 Correct 57 ms 8900 KB Output is correct
35 Correct 41 ms 8416 KB Output is correct
36 Correct 53 ms 8864 KB Output is correct
37 Correct 30 ms 7812 KB Output is correct