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Submission #367370

# Submission time Handle Problem Language Result Execution time Memory
367370 2021-02-17T01:50:33 Z PurpleCrayon Job Scheduling (IOI19_job) C++17
0 / 100
 1 ms 544 KB 
#include "job.h"
#include <bits/stdc++.h>
using namespace std;

#define sz(v) int(v.size())
#define ar array
typedef long long ll;

ll scheduling_cost(vector<int> p, vector<int> u, vector<int> d) {
    int n=sz(p);
    vector<vector<int>> ch(n);
    for (int i = 1; i < n; i++) ch[p[i]].push_back(i);

    auto cmp = [&](int i, int j) -> bool {
        return ll(d[j])*ll(u[i]) < ll(d[i])*ll(u[j]);
    };
    priority_queue<int, vector<int>, decltype(cmp)> roots(cmp);

    ll ans=0, t=0;
    roots.push(0);

    while (sz(roots)){
        int c=roots.top(); roots.pop();
        t += d[c], ans += t*u[c];
        for (auto nxt : ch[c]) roots.push(nxt);
    }
    cout << ans << '\n';
}

Compilation message

job.cpp: In function 'll scheduling_cost(std::vector<int>, std::vector<int>, std::vector<int>)':
job.cpp:28:1: warning: no return statement in function returning non-void [-Wreturn-type]
   28 | }
      | ^

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 492 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 492 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 544 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 492 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 492 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 37.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 492 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -