oj.uz

Submission #1093270

# Submission time Handle Problem Language Result Execution time Memory
1093270 2024-09-26T12:23:34 Z giaminh2211 Palembang Bridges (APIO15_bridge) C++14
22 / 100
 33 ms 1500 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;
            auto it=fi.end();
            --it;
            fi.erase(it);
            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();
    }

}

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 1 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 1 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

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 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 14 ms 1500 KB Output is correct
13 Correct 33 ms 1500 KB Output is correct
14 Correct 20 ms 1500 KB Output is correct
15 Correct 19 ms 988 KB Output is correct
16 Correct 16 ms 1500 KB Output is correct
17 Correct 19 ms 1500 KB Output is correct
18 Correct 27 ms 1408 KB Output is correct
19 Correct 27 ms 1496 KB Output is correct
20 Correct 18 ms 1500 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 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Runtime error 0 ms 604 KB Execution killed with signal 11
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 344 KB Output is correct
3 Runtime error 1 ms 604 KB Execution killed with signal 11
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 Runtime error 1 ms 604 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -