oj.uz

Submission #1099945

# Submission time Handle Problem Language Result Execution time Memory
1099945 2024-10-12T07:53:38 Z noyancanturk Fireworks (APIO16_fireworks) C++17
7 / 100
 0 ms 464 KB 
#include "bits/stdc++.h"
using namespace std;

#define int int64_t    
#define pb push_back

using pii=pair<int,int>;

const int lim=2e5+100;
const int mod=1e9+7;

#ifndef Local
    #define pd(x) ;
#else
void pd(priority_queue<int>pq){
    while(pq.size()){
        cerr<<pq.top()<<' ';
        pq.pop();
    }
    cerr<<'\n';
}
#endif

signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#ifdef Local  
    freopen(".in","r",stdin);freopen(".out","w",stdout);
#endif
    int n,m;
    cin>>n>>m;
    int N=n+m;
    int d[N]{};
    vector<int>v[N];
    for(int i=1;i<N;i++){
        int p;
        cin>>p>>d[i];
        p--;
        v[p].pb(i);
    }
    priority_queue<int>l[N];
    priority_queue<int,vector<int>,greater<int>>r[N];
    for(int i=N-1;n<=i;i--){
        l[i].push(d[i]);
        r[i].push(d[i]);
    }
    int ans=0;
    for(int i=n-1;0<=i;i--){
        for(int j:v[i]){
            if(!l[i].size()){
                l[i].swap(l[j]);
                r[i].swap(r[j]);
                continue;
            }
            if(l[i].size()<l[j].size()){
                l[i].swap(l[j]);
                r[i].swap(r[j]);
            }
            while(l[j].size()){
                int lt=l[j].top(),rt=r[j].top();
                l[j].pop(),r[j].pop();
                if(rt<l[i].top()){
                    ans+=l[i].top()-rt;
                    r[i].push(l[i].top());
                    l[i].pop();
                    l[i].push(lt);
                    l[i].push(rt);
                }else if(r[i].top()<lt){
                    ans+=lt-r[i].top();
                    l[i].push(r[i].top());
                    r[i].pop();
                    r[i].push(lt);
                    r[i].push(rt);
                }else{
                    l[i].push(lt);
                    r[i].push(rt);
                }
            }
        }
        int k=r[i].top();
        while(r[i].size()&&r[i].top()!=INT_MAX){
            r[i].pop();
        }
        l[i].push(l[i].top()+d[i]);
        r[i].push(k+d[i]);
        while(r[i].size()<l[i].size())r[i].push(INT_MAX);
    }
    cout<<ans<<'\n';
}

Subtask #1
7.0 / 7.0

# 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 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

Subtask #2
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 464 KB Output is correct
3 Incorrect 0 ms 352 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 29.0

# 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 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 0 ms 464 KB Output is correct
13 Incorrect 0 ms 352 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #4
0 / 45.0

# 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 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 0 ms 464 KB Output is correct
13 Incorrect 0 ms 352 KB Output isn't correct
14 Halted 0 ms 0 KB -