oj.uz

Submission #851882

# Submission time Handle Problem Language Result Execution time Memory
851882 2023-09-20T18:17:57 Z Kavelmydex Palembang Bridges (APIO15_bridge) C++17
100 / 100
 119 ms 6592 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector <int> vi;
typedef pair <ll,ll> pi;
#define pb push_back
#define f first
#define s second
#define OO 1e9
#define all(x) (x).begin(), (x).end()
 
bool cmp(const pi &a,const pi &b){
    return a.f + a.s < b.f + b.s;
}
priority_queue <int> pl;
priority_queue <int, vi, greater<int>> pr;
ll pref[100001], lsum, rsum;
void in(int x){
    int median = pl.size() ? pl.top() : 1000000001;
    if(x <= median){
        pl.push(x);
        lsum += x;
    }else{
        pr.push(x); rsum += x;
    }
    if(pl.size() > pr.size() + 1){
        int nxt = pl.top();
        pl.pop(); lsum -= nxt;
        pr.push(nxt); rsum += nxt;
    }else if(pr.size() > pl.size()){
        int nxt = pr.top();
        pr.pop(); rsum -= nxt;
        pl.push(nxt); lsum += nxt;
    }
}

int main() {
    // ios::sync_with_stdio(0); cin.tie(0);
    // freopen("art2.in", "r", stdin);
    // freopen("art2.out", "w", stdout);    
    int k,n; cin>>k>>n;
    vector <pi> v{{0, 0}};
    ll same_side = 0;
    for(int i=0; i<n; ++i){
        char a, b;
        int x, y; 
        cin >> a >> x >> b >> y;
        if(a == b) same_side += abs(x-y);
        else v.pb({x, y});
    }
    sort(all(v), cmp);
    n = v.size()-1;
    same_side += n;
    for(int i=1; i<=n; ++i){
        in(v[i].f);
        in(v[i].s);
        pref[i] = rsum-lsum;
    }
    ll ans = pref[n];
    if(k == 2){
        while(pl.size()) pl.pop();
        while(pr.size()) pr.pop();
        rsum = 0; lsum = 0;
        for(int i=n; i>=1; --i){
            in(v[i].f);
            in(v[i].s);
            ans = min(ans, pref[i-1] + rsum-lsum);
        }
    }
    cout << ans+same_side;
    return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 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 460 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 1 ms 348 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 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 348 KB Output is correct
7 Correct 1 ms 504 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 452 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 43 ms 3776 KB Output is correct
13 Correct 87 ms 4032 KB Output is correct
14 Correct 64 ms 4036 KB Output is correct
15 Correct 51 ms 2760 KB Output is correct
16 Correct 70 ms 3976 KB Output is correct
17 Correct 78 ms 3924 KB Output is correct
18 Correct 69 ms 4288 KB Output is correct
19 Correct 82 ms 3860 KB Output is correct
20 Correct 65 ms 4292 KB Output is correct
21 Correct 80 ms 4212 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct

Subtask #4
32.0 / 32.0

# 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 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 448 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 448 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 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 0 ms 348 KB Output is correct
17 Correct 1 ms 352 KB Output is correct
18 Correct 1 ms 352 KB Output is correct
19 Correct 1 ms 464 KB Output is correct
20 Correct 1 ms 432 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct

Subtask #5
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 352 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 352 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 448 KB Output is correct
14 Correct 1 ms 352 KB Output is correct
15 Correct 1 ms 356 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 360 KB Output is correct
20 Correct 1 ms 360 KB Output is correct
21 Correct 2 ms 360 KB Output is correct
22 Correct 1 ms 488 KB Output is correct
23 Correct 1 ms 612 KB Output is correct
24 Correct 1 ms 360 KB Output is correct
25 Correct 51 ms 4644 KB Output is correct
26 Correct 79 ms 5500 KB Output is correct
27 Correct 105 ms 5836 KB Output is correct
28 Correct 119 ms 6592 KB Output is correct
29 Correct 118 ms 6296 KB Output is correct
30 Correct 60 ms 3524 KB Output is correct
31 Correct 69 ms 5660 KB Output is correct
32 Correct 101 ms 6184 KB Output is correct
33 Correct 93 ms 5824 KB Output is correct
34 Correct 108 ms 6392 KB Output is correct
35 Correct 76 ms 6080 KB Output is correct
36 Correct 103 ms 6080 KB Output is correct
37 Correct 47 ms 4812 KB Output is correct