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답안 #1108697

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1108697 2024-11-04T19:21:22 Z vladilius Escape Route 2 (JOI24_escape2) C++17
54 / 100
 3000 ms 33548 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define pb push_back
#define ff first
#define ss second
const ll inf = numeric_limits<ll> :: max();

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    int n, D; cin>>n>>D;
    vector<int> x(n);
    vector<pii> t[n];
    for (int i = 1; i < n; i++){
        cin>>x[i];
        for (int j = 0; j < x[i]; j++){
            int a, b; cin>>a>>b;
            t[i].pb({a, b});
        }
    }
    
    for (int i = 1; i < n; i++){
        sort(t[i].begin(), t[i].end());
        vector<pii> nw;
        for (int j = 0; j < x[i]; j++){
            while (!nw.empty() && nw.back().ss >= t[i][j].ss){
                nw.pop_back();
            }
            if (nw.empty() || nw.back().ff != t[i][j].ff){
                nw.pb(t[i][j]);
            }
        }
        
        t[i] = nw;
        x[i] = (int) t[i].size();
    }
    
    vector<int> p(n);
    for (int i = 1; i < n; i++){
        p[i] = p[i - 1] + x[i];
    }
    int S = p.back();
    vector<int> g(S);
    vector<bool> e(S);
    for (int i = 1; i + 1 < n; i++){
        int k = x[i + 1] - 1, mn = 0;
        for (int j = x[i] - 1; j >= 0; j--){
            while (k >= 0 && t[i + 1][k].ff >= t[i][j].ss){
                mn = k--;
            }
            g[p[i - 1] + j] = p[i] + mn;
            e[p[i - 1] + j] = (t[i][j].ss > t[i + 1][mn].ff);
        }
    }
    
    const int lg = log2(S);
    vector<vector<pii>> sp(S, vector<pii>(lg + 1));
    for (int i = 0; i < S; i++) sp[i][0] = {g[i], e[i]};
    for (int j = 1; j <= lg; j++){
        for (int i = 0; i + (1 << j) <= S; i++){
            sp[i][j] = {sp[sp[i][j - 1].ff][j - 1].ff, sp[i][j - 1].ss + sp[sp[i][j - 1].ff][j - 1].ss};
        }
    }
    
    auto get = [&](int l, int r){
        ll out = inf;
        for (int i = 0; i < x[l]; i++){
            int tt = r - l - 1, f = p[l - 1] + i, cc = 0;
            for (int j = lg; j >= 0; j--){
                int k = (1 << j);
                if (tt >= k){
                    cc += sp[f][j].ss;
                    f = sp[f][j].ff;
                    tt -= k;
                }
            }
            out = min(out, 1LL * D * cc + (t[r - 1][f - p[r - 2]].ss - t[l][i].ff));
        }
        return out;
    };
    
    int q; cin>>q;
    for (int i = 1; i <= q; i++){
        int l, r; cin>>l>>r;
        cout<<get(l, r)<<"\n";
    }
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 36 ms 3400 KB Output is correct
3 Correct 50 ms 3656 KB Output is correct
4 Correct 69 ms 4584 KB Output is correct
5 Correct 55 ms 3764 KB Output is correct
6 Correct 70 ms 4672 KB Output is correct
7 Correct 74 ms 4596 KB Output is correct
8 Correct 51 ms 3568 KB Output is correct
9 Correct 70 ms 4692 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 36 ms 3400 KB Output is correct
3 Correct 50 ms 3656 KB Output is correct
4 Correct 69 ms 4584 KB Output is correct
5 Correct 55 ms 3764 KB Output is correct
6 Correct 70 ms 4672 KB Output is correct
7 Correct 74 ms 4596 KB Output is correct
8 Correct 51 ms 3568 KB Output is correct
9 Correct 70 ms 4692 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 87 ms 4244 KB Output is correct
12 Correct 78 ms 4168 KB Output is correct
13 Correct 74 ms 4108 KB Output is correct
14 Correct 75 ms 4172 KB Output is correct
15 Correct 82 ms 4384 KB Output is correct
16 Correct 39 ms 3408 KB Output is correct
17 Correct 68 ms 4436 KB Output is correct
18 Correct 70 ms 4424 KB Output is correct
19 Correct 69 ms 4424 KB Output is correct
20 Correct 67 ms 4424 KB Output is correct

Subtask #3
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 36 ms 3400 KB Output is correct
3 Correct 50 ms 3656 KB Output is correct
4 Correct 69 ms 4584 KB Output is correct
5 Correct 55 ms 3764 KB Output is correct
6 Correct 70 ms 4672 KB Output is correct
7 Correct 74 ms 4596 KB Output is correct
8 Correct 51 ms 3568 KB Output is correct
9 Correct 70 ms 4692 KB Output is correct
10 Correct 227 ms 23412 KB Output is correct
11 Correct 415 ms 33488 KB Output is correct
12 Correct 331 ms 33352 KB Output is correct
13 Correct 264 ms 31492 KB Output is correct
14 Correct 298 ms 33352 KB Output is correct
15 Correct 325 ms 33352 KB Output is correct
16 Correct 185 ms 25672 KB Output is correct
17 Correct 322 ms 33548 KB Output is correct
18 Correct 124 ms 25416 KB Output is correct
19 Correct 94 ms 24912 KB Output is correct
20 Correct 104 ms 25416 KB Output is correct
21 Correct 138 ms 25380 KB Output is correct

Subtask #4
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 36 ms 3400 KB Output is correct
3 Correct 50 ms 3656 KB Output is correct
4 Correct 69 ms 4584 KB Output is correct
5 Correct 55 ms 3764 KB Output is correct
6 Correct 70 ms 4672 KB Output is correct
7 Correct 74 ms 4596 KB Output is correct
8 Correct 51 ms 3568 KB Output is correct
9 Correct 70 ms 4692 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 87 ms 4244 KB Output is correct
12 Correct 78 ms 4168 KB Output is correct
13 Correct 74 ms 4108 KB Output is correct
14 Correct 75 ms 4172 KB Output is correct
15 Correct 82 ms 4384 KB Output is correct
16 Correct 39 ms 3408 KB Output is correct
17 Correct 68 ms 4436 KB Output is correct
18 Correct 70 ms 4424 KB Output is correct
19 Correct 69 ms 4424 KB Output is correct
20 Correct 67 ms 4424 KB Output is correct
21 Correct 227 ms 23412 KB Output is correct
22 Correct 415 ms 33488 KB Output is correct
23 Correct 331 ms 33352 KB Output is correct
24 Correct 264 ms 31492 KB Output is correct
25 Correct 298 ms 33352 KB Output is correct
26 Correct 325 ms 33352 KB Output is correct
27 Correct 185 ms 25672 KB Output is correct
28 Correct 322 ms 33548 KB Output is correct
29 Correct 124 ms 25416 KB Output is correct
30 Correct 94 ms 24912 KB Output is correct
31 Correct 104 ms 25416 KB Output is correct
32 Correct 138 ms 25380 KB Output is correct
33 Correct 279 ms 28492 KB Output is correct
34 Correct 285 ms 28488 KB Output is correct
35 Correct 252 ms 26252 KB Output is correct
36 Correct 308 ms 26272 KB Output is correct
37 Correct 220 ms 27464 KB Output is correct
38 Correct 210 ms 24392 KB Output is correct
39 Correct 289 ms 31048 KB Output is correct
40 Correct 241 ms 22088 KB Output is correct
41 Correct 189 ms 22720 KB Output is correct
42 Correct 218 ms 29256 KB Output is correct
43 Correct 184 ms 22868 KB Output is correct
44 Correct 223 ms 24392 KB Output is correct
45 Correct 108 ms 23576 KB Output is correct
46 Correct 101 ms 21832 KB Output is correct

Subtask #5
0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 767 ms 17740 KB Output is correct
4 Correct 753 ms 20080 KB Output is correct
5 Correct 803 ms 20016 KB Output is correct
6 Correct 827 ms 19792 KB Output is correct
7 Correct 839 ms 20040 KB Output is correct
8 Correct 371 ms 12564 KB Output is correct
9 Correct 752 ms 20320 KB Output is correct
10 Execution timed out 3052 ms 10468 KB Time limit exceeded
11 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 36 ms 3400 KB Output is correct
3 Correct 50 ms 3656 KB Output is correct
4 Correct 69 ms 4584 KB Output is correct
5 Correct 55 ms 3764 KB Output is correct
6 Correct 70 ms 4672 KB Output is correct
7 Correct 74 ms 4596 KB Output is correct
8 Correct 51 ms 3568 KB Output is correct
9 Correct 70 ms 4692 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 87 ms 4244 KB Output is correct
12 Correct 78 ms 4168 KB Output is correct
13 Correct 74 ms 4108 KB Output is correct
14 Correct 75 ms 4172 KB Output is correct
15 Correct 82 ms 4384 KB Output is correct
16 Correct 39 ms 3408 KB Output is correct
17 Correct 68 ms 4436 KB Output is correct
18 Correct 70 ms 4424 KB Output is correct
19 Correct 69 ms 4424 KB Output is correct
20 Correct 67 ms 4424 KB Output is correct
21 Correct 227 ms 23412 KB Output is correct
22 Correct 415 ms 33488 KB Output is correct
23 Correct 331 ms 33352 KB Output is correct
24 Correct 264 ms 31492 KB Output is correct
25 Correct 298 ms 33352 KB Output is correct
26 Correct 325 ms 33352 KB Output is correct
27 Correct 185 ms 25672 KB Output is correct
28 Correct 322 ms 33548 KB Output is correct
29 Correct 124 ms 25416 KB Output is correct
30 Correct 94 ms 24912 KB Output is correct
31 Correct 104 ms 25416 KB Output is correct
32 Correct 138 ms 25380 KB Output is correct
33 Correct 279 ms 28492 KB Output is correct
34 Correct 285 ms 28488 KB Output is correct
35 Correct 252 ms 26252 KB Output is correct
36 Correct 308 ms 26272 KB Output is correct
37 Correct 220 ms 27464 KB Output is correct
38 Correct 210 ms 24392 KB Output is correct
39 Correct 289 ms 31048 KB Output is correct
40 Correct 241 ms 22088 KB Output is correct
41 Correct 189 ms 22720 KB Output is correct
42 Correct 218 ms 29256 KB Output is correct
43 Correct 184 ms 22868 KB Output is correct
44 Correct 223 ms 24392 KB Output is correct
45 Correct 108 ms 23576 KB Output is correct
46 Correct 101 ms 21832 KB Output is correct
47 Correct 1 ms 336 KB Output is correct
48 Correct 1 ms 336 KB Output is correct
49 Correct 767 ms 17740 KB Output is correct
50 Correct 753 ms 20080 KB Output is correct
51 Correct 803 ms 20016 KB Output is correct
52 Correct 827 ms 19792 KB Output is correct
53 Correct 839 ms 20040 KB Output is correct
54 Correct 371 ms 12564 KB Output is correct
55 Correct 752 ms 20320 KB Output is correct
56 Execution timed out 3052 ms 10468 KB Time limit exceeded
57 Halted 0 ms 0 KB -