oj.uz

답안 #1065764

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1065764 2024-08-19T11:33:08 Z Unforgettablepl Long Distance Coach (JOI17_coach) C++17
100 / 100
 259 ms 46496 KB 
#include <bits/stdc++.h>
using namespace std;

#define int __int128

const int INF = 1e18+1e17;

struct line {
    int m,k;
    line(int m,int k):m(m),k(k){}
    int operator()(int x) const {
        return m*x+k;
    }
};

struct node {
    int L,R;
    line best;
    node *left,*right;
    node(int L,int R):L(L),R(R),left(nullptr),right(nullptr),best(0,INF){}
};

void update(node* curr,line x) {
    int mid = (curr->L+curr->R)/2;
    bool betterL = x(curr->L)<curr->best(curr->L);
    bool betterR = x(curr->R)<curr->best(curr->R);
    bool betterM = x(mid)<curr->best(mid);
    if(betterM) {
        swap(curr->best,x);
        update(curr,x);
    } else if(betterL) {
        if(curr->left==nullptr)curr->left=new node(curr->L,mid);
        update(curr->left,x);
    } else if(betterR) {
        if(curr->right==nullptr)curr->right=new node(mid+1,curr->R);
        update(curr->right,x);
    }
}

int get(node* curr,int x) {
    if(curr==nullptr)return INF;
    int mid = (curr->L+curr->R)/2;
    if(x<=mid)return min(curr->best(x),get(curr->left,x));
    return min(curr->best(x),get(curr->right,x));
}

int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    long long X,N,M,W,T;
    cin >> X >> N >> M >> W >> T;
    vector<tuple<int,int,int>> arr;
    arr.emplace_back(0,0,0);
    int iterations = X/T;
    X%=T;
    arr.emplace_back(X,2,iterations);
    for(int i=1;i<=N;i++) {
        long long S;cin>>S;
        arr.emplace_back(S%T,2,S/T);
    }
    for(int i=1;i<=M;i++) {
        long long D,C;cin>>D>>C;
        arr.emplace_back(D,1,C);
    }
    sort(arr.begin(), arr.end());
    vector<long long> DP(arr.size());
    DP[0] = (iterations+1)*W;
    node *lichao = new node(1,1e18);
    int P = 0;
    int pref = 0;
    for(int i=1;i<arr.size();i++) {
        auto [pos,type,c] = arr[i];
        if(type==1) {
            if(pos<X)DP[i]=(iterations+1)*W + DP[i-1];
            else DP[i]=iterations*W + DP[i-1];
            update(lichao,{-P,DP[i-1]-pref});
            P++;
            pref+=c;
            continue;
        }
        DP[i]=DP[i-1];
        DP[i]=min(DP[i],(long long)(get(lichao,c*W)+c*W*P+pref));
    }
    cout << DP.back() << '\n';
}

Compilation message

coach.cpp: In constructor 'node::node(__int128, __int128)':
coach.cpp:19:17: warning: 'node::right' will be initialized after [-Wreorder]
   19 |     node *left,*right;
      |                 ^~~~~
coach.cpp:18:10: warning:   'line node::best' [-Wreorder]
   18 |     line best;
      |          ^~~~
coach.cpp:20:5: warning:   when initialized here [-Wreorder]
   20 |     node(int L,int R):L(L),R(R),left(nullptr),right(nullptr),best(0,INF){}
      |     ^~~~

Subtask #1
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 424 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 472 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 424 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 472 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 2 ms 604 KB Output is correct
39 Correct 2 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 2 ms 604 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 2 ms 600 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 3 ms 796 KB Output is correct
47 Correct 1 ms 604 KB Output is correct
48 Correct 2 ms 608 KB Output is correct
49 Correct 3 ms 604 KB Output is correct
50 Correct 1 ms 604 KB Output is correct
51 Correct 1 ms 604 KB Output is correct

Subtask #4
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 424 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 472 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 2 ms 604 KB Output is correct
39 Correct 2 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 2 ms 604 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 2 ms 600 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 3 ms 796 KB Output is correct
47 Correct 1 ms 604 KB Output is correct
48 Correct 2 ms 608 KB Output is correct
49 Correct 3 ms 604 KB Output is correct
50 Correct 1 ms 604 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
52 Correct 125 ms 26724 KB Output is correct
53 Correct 151 ms 30140 KB Output is correct
54 Correct 201 ms 29868 KB Output is correct
55 Correct 199 ms 30384 KB Output is correct
56 Correct 165 ms 29544 KB Output is correct
57 Correct 160 ms 30124 KB Output is correct
58 Correct 130 ms 30224 KB Output is correct
59 Correct 207 ms 30384 KB Output is correct
60 Correct 200 ms 29636 KB Output is correct
61 Correct 230 ms 30660 KB Output is correct
62 Correct 205 ms 30648 KB Output is correct
63 Correct 259 ms 46496 KB Output is correct
64 Correct 170 ms 30380 KB Output is correct
65 Correct 141 ms 30124 KB Output is correct
66 Correct 108 ms 29864 KB Output is correct
67 Correct 180 ms 29616 KB Output is correct
68 Correct 155 ms 30128 KB Output is correct
69 Correct 145 ms 29608 KB Output is correct
70 Correct 149 ms 30316 KB Output is correct
71 Correct 149 ms 30380 KB Output is correct
72 Correct 158 ms 29860 KB Output is correct
73 Correct 140 ms 30128 KB Output is correct
74 Correct 117 ms 29872 KB Output is correct
75 Correct 110 ms 29108 KB Output is correct
76 Correct 94 ms 30012 KB Output is correct
77 Correct 257 ms 29628 KB Output is correct
78 Correct 197 ms 29796 KB Output is correct
79 Correct 131 ms 29500 KB Output is correct
80 Correct 127 ms 30204 KB Output is correct