oj.uz

Submission #210886

# Submission time Handle Problem Language Result Execution time Memory
210886 2020-03-19T01:24:42 Z daniel920712 Job Scheduling (IOI19_job) C++14
0 / 100
 8 ms 4992 KB 
#include "job.h"
#include <vector>
#include <queue>
using namespace std;
vector < int > Next[200005];
struct A
{
    long long u,t,where;
}all[200005];
bool operator > (A a,A b)
{
    return a.u*b.t<b.u*a.t;
}
priority_queue < A , vector < A > , greater < A > > how;
long long scheduling_cost(std::vector<int> p, std::vector<int> u, std::vector<int> d)
{
    long long N=(long long) u.size(),ans=0,t=0,i;
    for(i=0;i<N;i++)
    {
        all[i].u=u[i];
        all[i].t=d[i];
        all[i].where=i;
    }
    for(i=1;i<N;i++) Next[p[i]].push_back(i);
    how.push(all[0]);
    while(!how.empty())
    {
        A a=how.top();
        how.pop();
        t+a.t;
        ans+=t*a.u;
        for(auto i:Next[a.where]) how.push(all[i]);
    }
    return ans;
	return 0;
}

Compilation message

job.cpp: In function 'long long int scheduling_cost(std::vector<int>, std::vector<int>, std::vector<int>)':
job.cpp:30:10: warning: statement has no effect [-Wunused-value]
         t+a.t;
         ~^~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 4992 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 4992 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 4992 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 4992 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 4992 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 37.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 4992 KB Output isn't correct
2 Halted 0 ms 0 KB -