oj.uz

Submission #982929

# Submission time Handle Problem Language Result Execution time Memory
982929 2024-05-15T04:29:03 Z vjudge1 Palembang Bridges (APIO15_bridge) C++17
22 / 100
 38 ms 2592 KB 
#include<bits/stdc++.h>
#define f first
#define s second
#define pb push_back
#define pii pair<int,int>
#define pll pair<ll,ll>
#define ll long long
#define sz(x) (ll)x.size()
using namespace std;
int n;
void sv1(){
    ll ans=0;vector<ll>vec;
    for(int i=1;i<=n;i++){
        char X,Y;ll x,y;
        cin>>X>>x>>Y>>y;
        if(X==Y)ans+=abs(y-x);
        else vec.pb(x),vec.pb(y),ans++;
    }sort(vec.begin(),vec.end());
    ll med=vec[(sz(vec)-1)/2];
    for(auto it : vec)ans+=abs(med-it);
    cout<<ans;return;
}
void sv2(){
    ll ans=0;vector<pll>v;
    for(int i=1;i<=n;i++){
        char X,Y;ll x,y;
        cin>>X>>x>>Y>>y;
        if(x<y)swap(x,y);
        if(X==Y)ans+=abs(y-x);
        else v.pb({x,y}),ans++;
    }sort(v.begin(),v.end());
    priority_queue<ll>lq;
    priority_queue<ll,vector<ll>,greater<ll>>rq;
    ll dl[sz(v)+2]={0},dr[sz(v)+2]={0};
    ll sl=0,sr=0;
    for(int i=1;i<=sz(v);i++){
        lq.push(v[i-1].f),lq.push(v[i-1].s);
        sl+=v[i-1].f+v[i-1].s;
        while(!lq.empty()&&!rq.empty()&&lq.top()>rq.top()){
            sl-=lq.top();sr+=lq.top();rq.push(lq.top());lq.pop();
        }
        while(sz(lq)>sz(rq)+1){
            sl-=lq.top();sr+=lq.top();rq.push(lq.top());lq.pop();
        }
        while(sz(rq)>sz(lq)){
            sr-=rq.top();sl+=rq.top();lq.push(rq.top());rq.pop();
        }
        dl[i]=sz(lq)*lq.top()-sl+sr-sz(rq)*lq.top();
        cout<<lq.top()<<'\n';
    }while(!lq.empty())lq.pop();while(!rq.empty())rq.pop();sl=0,sr=0;
    for(int i=sz(v);i>=1;i--){
        lq.push(v[i-1].f),lq.push(v[i-1].s);
        sl+=v[i-1].f+v[i-1].s;
        while(!lq.empty()&&!rq.empty()&&lq.top()>rq.top()){
            sl-=lq.top();sr+=lq.top();rq.push(lq.top());lq.pop();
        }
        while(sz(lq)>sz(rq)+1){
            sl-=lq.top();sr+=lq.top();rq.push(lq.top());lq.pop();
        }
        while(sz(rq)>sz(lq)){
            sr-=rq.top();sl+=rq.top();lq.push(rq.top());rq.pop();
        }dr[i]=sz(lq)*lq.top()-sl+sr-sz(rq)*lq.top();
    }ll res=1e18;
    for(int i=0;i<=sz(v);i++)res=min(res,dl[i]+dr[i+1]);
    cout<<res+ans;return ;
}
int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);
    int k;cin>>k>>n;
    if(k==1)sv1();else sv2();
    return 0;
}

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 344 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 600 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 492 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 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 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 17 ms 2516 KB Output is correct
13 Correct 38 ms 2520 KB Output is correct
14 Correct 24 ms 2520 KB Output is correct
15 Correct 21 ms 1500 KB Output is correct
16 Correct 19 ms 2520 KB Output is correct
17 Correct 21 ms 2592 KB Output is correct
18 Correct 26 ms 2520 KB Output is correct
19 Correct 34 ms 2520 KB Output is correct
20 Correct 23 ms 2428 KB Output is correct
21 Correct 29 ms 2472 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 0 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 -