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Submission #1093273

# Submission time Handle Problem Language Result Execution time Memory
1093273 2024-09-26T12:25:54 Z giaminh2211 Palembang Bridges (APIO15_bridge) C++14
22 / 100
 29 ms 1604 KB 
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define fi first
#define se second

using namespace std;
using namespace __gnu_pbds;
using ll=long long;
using pii=pair<int, int>;

struct GetMedian{
    multiset<ll> fi;
    multiset<ll> se;
    ll fsum, ssum;

    void add(ll x){
        se.insert(x);
        ssum+=x;
        while(fi.size() > se.size()){
            ll val=*fi.rbegin();
            fsum -= val;
            fi.erase(fi.find(val));
            ssum+=val;
            se.insert(val);
        }

        while(se.size() < fi.size()){
            ll val=*se.begin();
            ssum -= val;
            se.erase(se.begin());
            fsum+=val;
            fi.insert(val);
        }
    }

    ll get(){
        ll med=*fi.rbegin();
        return (med * fi.size() - fsum) + (ssum - med * se.size());
    }

    void clear(){
        fi.clear();
        se.clear();
        fsum=ssum=0;
    }
};

int k, n;
const int N=1e5+13;
int a[N];
ll res;
char c1, c2;
int x, y;

namespace sub1{
    vector<int> v;
    void solve(){
        for(int i=1; i<=n; i++){
            cin >> c1 >> x >> c2 >> y;
            if(c1==c2){
                res+=abs(x-y);
            }
            else{
                v.push_back(x);
                v.push_back(y);
                ++res;
            }
        }
        sort(begin(v), end(v));
        for(int c: v){
            res+=abs(c-v[v.size()/2]);
        }
        cout << res;
    }
}

vector<pair<int, int>> v;
ll l[N];
ll r[N];

void solve(){
    cin >> k >> n;
    if(k==1){
        sub1::solve();
        exit(0);
    }
    for(int i=1; i<=n; i++){
        cin >> c1 >> x >> c2 >> y;
        if(c1==c2){
            res+=abs(x-y);
        }
        else{
            if(x > y) swap(x, y);
            v.push_back(make_pair(x, y));
            ++res;
        }
    }
    if(v.empty()){
        cout << res;
        return;
    }
    sort(begin(v), end(v), [&](pii x, pii y){
        return x.fi + x.se < y.fi + y.se;
    });
    GetMedian sus;
    for(int i=1; i<=n; i++){
        sus.add(v[i].fi);
        sus.add(v[i].se);
        //l[i]=sus.get();
    }
//    sus.clear();
//    for(int i=n; i>=1; i--){
//        sus.add(v[i].fi);
//        sus.add(v[i].se);
//        r[i]=sus.get();
//    }
//    ll ans=l[n];
//    for(int i=1; i<n; i++){
//        ans=min(ans, l[i]+r[i+1]);
//    }
//    cout << res+ans;
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    solve();
}

Subtask #1
8.0 / 8.0

# 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 0 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 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 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 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 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 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 1 ms 348 KB Output is correct
12 Correct 13 ms 1500 KB Output is correct
13 Correct 28 ms 1604 KB Output is correct
14 Correct 21 ms 1500 KB Output is correct
15 Correct 16 ms 1244 KB Output is correct
16 Correct 16 ms 1496 KB Output is correct
17 Correct 19 ms 1604 KB Output is correct
18 Correct 24 ms 1496 KB Output is correct
19 Correct 29 ms 1500 KB Output is correct
20 Correct 18 ms 1596 KB Output is correct
21 Correct 25 ms 1500 KB Output is correct

Subtask #3
0 / 9.0

# 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 Incorrect 1 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# 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 Incorrect 1 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# 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 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -