oj.uz

Submission #993431

# Submission time Handle Problem Language Result Execution time Memory
993431 2024-06-05T15:41:47 Z Alfraganus Dreaming (IOI13_dreaming) C++17
47 / 100
 97 ms 9296 KB 
#include "dreaming.h"
#include <bits/stdc++.h>
using namespace std;

#define print(a) for(auto x : a) cout << x << ' '; cout << endl;

int travelTime(int n, int m, int l, int a[], int b[], int t[]) {
    vector<vector<array<int, 2>>> graph(n);
    for(int i = 0; i < m; i ++)
        graph[a[i]].push_back({b[i], t[i]}), graph[b[i]].push_back({a[i], t[i]});
    vector<int> d;
    vector<array<int, 2>> lnk(n, {-1, -1});
    vector<bool> used(n);
    int res = 0;
    for(int i = 0; i < n; i ++){
        if(!used[i]){
            set<array<int, 2>> st;
            st.insert({0, i});
            used[i] = 1;
            int last = -1;
            while(!st.empty()){
                auto [x, y] = *st.begin();
                st.erase(st.begin());
                last = y;

                for(auto z : graph[y]){
                    if(!used[z[0]]){
                        st.insert({x + z[1], z[0]});
                        used[z[0]] = 1;
                    }
                }
            }
            used[last] = 0;
            st.insert({0, last});
            while(!st.empty()){
                auto [x, y] = *st.begin();
                st.erase(st.begin());
                last = y;

                for(auto z : graph[y]){
                    if(used[z[0]]){
                        lnk[z[0]] = {y, z[1]};
                        st.insert({x + z[1], z[0]});
                        used[z[0]] = 0;
                    }
                }
            }
            used[i] = 1;
            st.insert({0, i});

            while(!st.empty()){
                auto [x, y] = *st.begin();
                st.erase(st.begin());
                
                for(auto z : graph[y]){
                    if(!used[z[0]]){
                        st.insert({x + z[1], z[0]});
                        used[z[0]] = 1;
                    }
                }
            }
            vector<int> p;
            int sum = 0;
            while(lnk[last][0] != -1){
                p.push_back(lnk[last][1]);
                sum += p.back();
                last = lnk[last][0];
            }
            res = max(res, sum);
            p.push_back(0);
            int ans = 1e9, s = 0;
            for(int i = 0; i < (int)p.size(); i ++)
                ans = min(ans, max(s, sum - s)), s += p[i];
            d.push_back(ans);
        }
    }
    if(d.size() == 1)
        return res;
    else if(d.size() == 2)
        return max(res, d[0] + d[1] + l);
    else{
        sort(d.begin(), d.end());
        int ans = res;
        int k = d.size();
        for(int i = 0; i < k - 2; i ++)
            ans = min(ans, max(d[k - 2] + d[k - 1] + 2 * l, d[i] + l + d[k - 1]));
        ans = min(ans, max(d[k - 2] + d[k - 1] + l, d[k - 1] + d[k - 3] + 2 * l));
        ans = min(ans, max(d[k - 2] + d[k - 1] + l, d[k - 2] + d[k - 3] + 2 * l));
        return ans;
    }
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 7984 KB Output is correct
2 Correct 36 ms 8040 KB Output is correct
3 Correct 23 ms 5380 KB Output is correct
4 Correct 6 ms 1372 KB Output is correct
5 Correct 4 ms 1084 KB Output is correct
6 Correct 9 ms 2024 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 19 ms 3548 KB Output is correct
9 Correct 24 ms 4432 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 37 ms 5928 KB Output is correct
12 Correct 51 ms 6860 KB Output is correct
13 Correct 1 ms 344 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 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 348 KB Output is correct
14 Correct 1 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 1 ms 348 KB Output is correct
18 Correct 1 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 1 ms 348 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 7984 KB Output is correct
2 Correct 36 ms 8040 KB Output is correct
3 Correct 23 ms 5380 KB Output is correct
4 Correct 6 ms 1372 KB Output is correct
5 Correct 4 ms 1084 KB Output is correct
6 Correct 9 ms 2024 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 19 ms 3548 KB Output is correct
9 Correct 24 ms 4432 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 37 ms 5928 KB Output is correct
12 Correct 51 ms 6860 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 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 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 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 1 ms 348 KB Output is correct
39 Correct 37 ms 7896 KB Output is correct
40 Correct 37 ms 8144 KB Output is correct
41 Correct 31 ms 5456 KB Output is correct
42 Correct 5 ms 1368 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 344 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 344 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 1 ms 596 KB Output is correct
57 Correct 87 ms 9044 KB Output is correct
58 Correct 87 ms 9044 KB Output is correct
59 Correct 76 ms 8784 KB Output is correct
60 Correct 75 ms 8960 KB Output is correct
61 Correct 77 ms 8928 KB Output is correct
62 Correct 97 ms 8828 KB Output is correct
63 Correct 97 ms 9296 KB Output is correct
64 Correct 95 ms 9044 KB Output is correct
65 Correct 93 ms 9156 KB Output is correct
66 Correct 95 ms 9296 KB Output is correct
67 Correct 78 ms 8784 KB Output is correct
68 Correct 73 ms 8668 KB Output is correct
69 Correct 69 ms 8992 KB Output is correct
70 Correct 69 ms 8660 KB Output is correct
71 Correct 0 ms 344 KB Output is correct
72 Correct 2 ms 604 KB Output is correct
73 Correct 2 ms 456 KB Output is correct
74 Correct 2 ms 604 KB Output is correct
75 Correct 2 ms 604 KB Output is correct
76 Correct 3 ms 716 KB Output is correct
77 Correct 2 ms 604 KB Output is correct
78 Correct 2 ms 604 KB Output is correct
79 Correct 2 ms 604 KB Output is correct
80 Correct 73 ms 8968 KB Output is correct
81 Correct 73 ms 8788 KB Output is correct
82 Correct 76 ms 8920 KB Output is correct
83 Correct 75 ms 8512 KB Output is correct
84 Correct 2 ms 604 KB Output is correct
85 Correct 2 ms 604 KB Output is correct
86 Correct 2 ms 472 KB Output is correct
87 Correct 2 ms 600 KB Output is correct
88 Correct 2 ms 604 KB Output is correct
89 Correct 2 ms 468 KB Output is correct
90 Correct 2 ms 604 KB Output is correct
91 Correct 2 ms 604 KB Output is correct
92 Correct 3 ms 604 KB Output is correct
93 Correct 3 ms 604 KB Output is correct
94 Correct 1 ms 348 KB Output is correct
95 Correct 0 ms 348 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Correct 0 ms 348 KB Output is correct
98 Correct 0 ms 348 KB Output is correct
99 Correct 0 ms 344 KB Output is correct
100 Correct 0 ms 348 KB Output is correct
101 Correct 0 ms 348 KB Output is correct
102 Correct 0 ms 348 KB Output is correct
103 Correct 0 ms 348 KB Output is correct
104 Correct 4 ms 1204 KB Output is correct
105 Correct 10 ms 2092 KB Output is correct
106 Correct 0 ms 348 KB Output is correct
107 Correct 18 ms 3504 KB Output is correct
108 Correct 24 ms 4436 KB Output is correct
109 Correct 1 ms 348 KB Output is correct
110 Correct 34 ms 6052 KB Output is correct
111 Correct 41 ms 6852 KB Output is correct
112 Correct 1 ms 348 KB Output is correct
113 Correct 50 ms 8564 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 25 ms 6104 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 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 348 KB Output is correct
14 Correct 1 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 1 ms 348 KB Output is correct
18 Correct 1 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 1 ms 348 KB Output is correct
26 Incorrect 1 ms 348 KB Output isn't correct
27 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 7984 KB Output is correct
2 Correct 36 ms 8040 KB Output is correct
3 Correct 23 ms 5380 KB Output is correct
4 Correct 6 ms 1372 KB Output is correct
5 Correct 4 ms 1084 KB Output is correct
6 Correct 9 ms 2024 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 19 ms 3548 KB Output is correct
9 Correct 24 ms 4432 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 37 ms 5928 KB Output is correct
12 Correct 51 ms 6860 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 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 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 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 1 ms 348 KB Output is correct
39 Correct 37 ms 7896 KB Output is correct
40 Correct 37 ms 8144 KB Output is correct
41 Correct 31 ms 5456 KB Output is correct
42 Correct 5 ms 1368 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 344 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 344 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 1 ms 596 KB Output is correct
57 Correct 87 ms 9044 KB Output is correct
58 Correct 87 ms 9044 KB Output is correct
59 Correct 76 ms 8784 KB Output is correct
60 Correct 75 ms 8960 KB Output is correct
61 Correct 77 ms 8928 KB Output is correct
62 Correct 97 ms 8828 KB Output is correct
63 Correct 97 ms 9296 KB Output is correct
64 Correct 95 ms 9044 KB Output is correct
65 Correct 93 ms 9156 KB Output is correct
66 Correct 95 ms 9296 KB Output is correct
67 Correct 78 ms 8784 KB Output is correct
68 Correct 73 ms 8668 KB Output is correct
69 Correct 69 ms 8992 KB Output is correct
70 Correct 69 ms 8660 KB Output is correct
71 Correct 0 ms 344 KB Output is correct
72 Correct 2 ms 604 KB Output is correct
73 Correct 2 ms 456 KB Output is correct
74 Correct 2 ms 604 KB Output is correct
75 Correct 2 ms 604 KB Output is correct
76 Correct 3 ms 716 KB Output is correct
77 Correct 2 ms 604 KB Output is correct
78 Correct 2 ms 604 KB Output is correct
79 Correct 2 ms 604 KB Output is correct
80 Correct 73 ms 8968 KB Output is correct
81 Correct 73 ms 8788 KB Output is correct
82 Correct 76 ms 8920 KB Output is correct
83 Correct 75 ms 8512 KB Output is correct
84 Correct 2 ms 604 KB Output is correct
85 Correct 2 ms 604 KB Output is correct
86 Correct 2 ms 472 KB Output is correct
87 Correct 2 ms 600 KB Output is correct
88 Correct 2 ms 604 KB Output is correct
89 Correct 2 ms 468 KB Output is correct
90 Correct 2 ms 604 KB Output is correct
91 Correct 2 ms 604 KB Output is correct
92 Correct 3 ms 604 KB Output is correct
93 Correct 3 ms 604 KB Output is correct
94 Correct 1 ms 348 KB Output is correct
95 Correct 0 ms 348 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Correct 0 ms 348 KB Output is correct
98 Correct 0 ms 348 KB Output is correct
99 Correct 0 ms 344 KB Output is correct
100 Correct 0 ms 348 KB Output is correct
101 Correct 0 ms 348 KB Output is correct
102 Correct 0 ms 348 KB Output is correct
103 Correct 0 ms 348 KB Output is correct
104 Correct 4 ms 1204 KB Output is correct
105 Correct 10 ms 2092 KB Output is correct
106 Correct 0 ms 348 KB Output is correct
107 Correct 18 ms 3504 KB Output is correct
108 Correct 24 ms 4436 KB Output is correct
109 Correct 1 ms 348 KB Output is correct
110 Correct 34 ms 6052 KB Output is correct
111 Correct 41 ms 6852 KB Output is correct
112 Correct 1 ms 348 KB Output is correct
113 Correct 50 ms 8564 KB Output is correct
114 Incorrect 25 ms 6104 KB Output isn't correct
115 Halted 0 ms 0 KB -