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Submission #211339

# Submission time Handle Problem Language Result Execution time Memory
211339 2020-03-20T06:30:17 Z eric_xiao Job Scheduling (IOI19_job) C++14
0 / 100
 5 ms 384 KB 
#include<bits/stdc++.h>
#define ll long long

using namespace std;
ll N,t,ans;
ll DSU[300009],fin[300009];
vector<int> tim,cost;
ll Find(ll a)
{
    if(a == DSU[a]) return a;
    DSU[a] = Find(DSU[a]);
    return DSU[a];
}

struct cmp{
    bool operator()(ll a, ll b)const {
        if(cost[a]*tim[b] > cost[b]*tim[a]) return cost[a]*tim[b] > cost[b]*tim[a];
        return a < b;
    }
};
set<ll,cmp> st;
ll scheduling_cost(vector<int> P,vector<int> U,vector<int> D)
{
    N = P.size();
    cost = U;
    tim = D;
    ll i;
    for(i = 0;i < N;i++)
    {
         DSU[i] = i;
         fin[i] = 0;
         st.insert(i);
    }
    for(i = 0;i < N;i++)
    {
         ll now = *st.begin();
         st.erase(now);
         if(P[now] == -1 || fin[Find(P[now])] == 1)
         {
             t += tim[now];
             ans += cost[now]*t;
             fin[now] = 1;
             continue;
         }
         ll top = Find(P[now]);
         st.erase(top);
         ans -= cost[top]*tim[now];
         cost[top] += cost[now];
         tim[top] += tim[now];
         st.insert(top);
         DSU[now] = top;
    }
    return ans;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Incorrect 4 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Incorrect 4 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -