oj.uz

Submission #906318

# Submission time Handle Problem Language Result Execution time Memory
906318 2024-01-14T01:06:37 Z vjudge1 Job Scheduling (IOI19_job) C++17
5 / 100
 64 ms 15956 KB 
#include "job.h"
#include <vector>

#pragma GCC target ("avx2")
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")

#include<bits/stdc++.h>
#include<math.h>
using namespace std;

typedef long long int ll;
typedef long double ld;
typedef pair<ll, ll> pl;
typedef vector<ll> vl;
#define FD(i, r, l) for(ll i = r; i > (l); --i)

#define K first
#define V second
#define G(x) ll x; cin >> x;
#define GD(x) ld x; cin >> x;
#define GS(s) string s; cin >> s;
#define EX(x) { cout << x << '\n'; exit(0); }
#define A(a) (a).begin(), (a).end()
#define F(i, l, r) for (ll i = l; i < (r); ++i)

#define NN
#define M 1000000007 // 998244353

vl adj[200010];

long long scheduling_cost(std::vector<int> p, std::vector<int> u, std::vector<int> d) {
    ll ans = 0;
    int n = (int)p.size();
    bool case1 = true,case2 = true;

    for(int i=1;i<n;i++){
        case1 &= p[i]==i-1;

        case2 &= p[i]==0;
        case2 &= d[i]==1;

        adj[p[i]].push_back(i);
    }

    if(case1){
        ll time = 0;
        for(int i=0;i<n;i++){
            time += d[i];
            ans += time*u[i];
        }
        return ans;
    }

    if (n <= 200) {
        ll ans = 0;
        auto cmp = [&](int i,int j){
            return -u[i]*d[j] < -u[j]*d[i];
        };
        auto dfs = [&](auto &&self, ll i) -> vl {
            vector<vl> ord;
            for (auto x: adj[i]) ord.push_back(self(self, x));
            vl ans;
            while (ord.size()) {
                ll mnidx = 0;
                F(i, 1, ord.size()) if (cmp(ord[i][0], ord[mnidx][0])) mnidx = i;
                ans.push_back(ord[mnidx][0]);
                ord[mnidx].erase(ord[mnidx].begin());
                if (!ord[mnidx].size()) ord.erase(ord.begin() + mnidx); 
            }

            ans.insert(ans.begin(), i);
        };  
        ll time = 0;
        for (auto i: dfs(dfs, 0)) {
            time += d[i]; ans += time * u[i];
        }
        return ans;
    }

    auto cmp = [&](int i,int j){
        return -u[i]*d[j] > -u[j]*d[i];
    };

    priority_queue<ll, vector<ll>, decltype(cmp)> pq(cmp);
    ans += d[0] * u[0];
    ll time = d[0];
    for (auto x: adj[0]) pq.push(x);
    while (pq.size()) {
        auto i = pq.top(); pq.pop();
        time += d[i];
        ans += time * u[i];
        for (auto y: adj[i]) pq.push(y); 
    }


    return ans;
}

Compilation message

job.cpp: In lambda function:
job.cpp:25:37: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 | #define F(i, l, r) for (ll i = l; i < (r); ++i)
      |                                     ^
job.cpp:66:17: note: in expansion of macro 'F'
   66 |                 F(i, 1, ord.size()) if (cmp(ord[i][0], ord[mnidx][0])) mnidx = i;
      |                 ^
job.cpp:73:9: warning: no return statement in function returning non-void [-Wreturn-type]
   73 |         };
      |         ^
job.cpp: In instantiation of 'scheduling_cost(std::vector<int>, std::vector<int>, std::vector<int>)::<lambda(auto:23&&, ll)> [with auto:23 = scheduling_cost(std::vector<int>, std::vector<int>, std::vector<int>)::<lambda(auto:23&&, ll)>&; vl = std::vector<long long int>; ll = long long int]':
job.cpp:75:32:   required from here
job.cpp:25:37: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 | #define F(i, l, r) for (ll i = l; i < (r); ++i)
      |                                     ^
job.cpp:66:17: note: in expansion of macro 'F'
   66 |                 F(i, 1, ord.size()) if (cmp(ord[i][0], ord[mnidx][0])) mnidx = i;
      |                 ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4952 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 3 ms 4956 KB Output is correct
5 Correct 14 ms 7772 KB Output is correct
6 Correct 26 ms 10588 KB Output is correct
7 Correct 40 ms 13228 KB Output is correct
8 Correct 51 ms 15952 KB Output is correct
9 Correct 52 ms 15952 KB Output is correct
10 Correct 59 ms 15924 KB Output is correct
11 Correct 2 ms 4956 KB Output is correct
12 Correct 64 ms 15924 KB Output is correct
13 Correct 52 ms 15920 KB Output is correct
14 Correct 56 ms 15952 KB Output is correct
15 Correct 51 ms 15924 KB Output is correct
16 Correct 52 ms 15956 KB Output is correct
17 Correct 53 ms 15936 KB Output is correct
18 Correct 62 ms 15956 KB Output is correct
19 Correct 51 ms 15876 KB Output is correct
20 Correct 51 ms 15956 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 5 ms 10072 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 5 ms 10072 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Runtime error 6 ms 10076 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Runtime error 6 ms 10072 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #6
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4952 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 3 ms 4956 KB Output is correct
5 Correct 14 ms 7772 KB Output is correct
6 Correct 26 ms 10588 KB Output is correct
7 Correct 40 ms 13228 KB Output is correct
8 Correct 51 ms 15952 KB Output is correct
9 Correct 52 ms 15952 KB Output is correct
10 Correct 59 ms 15924 KB Output is correct
11 Correct 2 ms 4956 KB Output is correct
12 Correct 64 ms 15924 KB Output is correct
13 Correct 52 ms 15920 KB Output is correct
14 Correct 56 ms 15952 KB Output is correct
15 Correct 51 ms 15924 KB Output is correct
16 Correct 52 ms 15956 KB Output is correct
17 Correct 53 ms 15936 KB Output is correct
18 Correct 62 ms 15956 KB Output is correct
19 Correct 51 ms 15876 KB Output is correct
20 Correct 51 ms 15956 KB Output is correct
21 Runtime error 5 ms 10072 KB Execution killed with signal 6
22 Halted 0 ms 0 KB -