oj.uz

Submission #880049

# Submission time Handle Problem Language Result Execution time Memory
880049 2023-11-28T16:10:57 Z RaresFelix Longest Trip (IOI23_longesttrip) C++17
70 / 100
 23 ms 956 KB 
#include "longesttrip.h"

#include <bits/stdc++.h>

using namespace std;

using vi = vector<int>;

int gaseste_leg(int u, vi comp) {
    int l = 0;
    auto ok = [&](int len) {
        vi A;
        for(int i = 0; i < len; ++i)
            A.push_back(comp[i]);
        return are_connected(A, {u});
    };
    for(int i = 10; i >= 0; --i) {
        if(l + (1 << i) <= comp.size()) {
            if(!ok(l + (1 << i))) l += (1 << i);
        }
    }
    return comp[l];
}

std::vector<int> longest_trip(int N, int D) {
    if(D >= 2) {
        deque<int> Re;
        Re.push_back(0);
        vi Took(N, 0);
        Took[0] = 1;
        if(are_connected({0}, {1})) {
            Re.push_back(1);
            Took[1] = 1;
        } else {
            Took[2] = 1;
            Re.push_back(2);
        }
        for(int i = 0; i < N; ++i) {
            if(!Took[i]) {
                if(are_connected({i}, {Re.front()})) {
                    Re.push_front(i);
                } else Re.push_back(i);
                Took[i] = 1;
            }
        }
        vi R;
        for(auto it : Re) R.push_back(it);
        return R;
    }
    int nod_curent = 0;
    vi comp, R;
    for(int i = 1; i < N; ++i) {
        if(are_connected({nod_curent}, {i})) {
            R.push_back(nod_curent);
            nod_curent = i;
            if(!comp.empty() && are_connected(comp, {i})) {
                int it = gaseste_leg(i, comp);
                R.push_back(i);
                vi E;
                E.push_back(it);
                for(auto it2 : comp) if(it2 != it) E.push_back(it2);
                nod_curent = E.back();
                E.pop_back();
                for(auto it : E) R.push_back(it);
                comp.clear();
            }
        } else {
            comp.push_back(i);
        }
    }
    if(comp.empty()) {
        R.push_back(nod_curent);
        return R;
    }
    if(R.empty()) {
        ///nod singur si componenta
        return comp;
    }
    //am ramas cu (R, nod_curent) si o componenta conexa
    for(auto it : comp) {
        if(are_connected({it}, {R[0]})) {
            vi Re;
            for(auto it2:comp)
                if(it2 != it) Re.push_back(it2);
            Re.push_back(it);
            for(auto it : R) Re.push_back(it);
            Re.push_back(nod_curent);
            return Re;
        }
        if(are_connected({it}, {nod_curent})) {
            vi Re;
            for(auto it : R) Re.push_back(it);
            Re.push_back(nod_curent);
            Re.push_back(it);
            for(auto it2 : R)
                if(it2 != it) Re.push_back(it2);
            return Re;
        }
    }
    vi Re;
    for(int i = 0; i < R.size(); ++i) {
        if(are_connected({R[i]}, comp)) {
            vi Re;
            for(int j = i + 1; j < R.size(); ++j)
                Re.push_back(R[j]);
            Re.push_back(nod_curent);
            for(int j = 0; j <= i; ++j)
                Re.push_back(R[j]);
            int it = gaseste_leg(R[i], comp);
            Re.push_back(it);
            for(auto it2 : comp)
                if(it2 != it) Re.push_back(it2);
            return Re;
        }
    }
    if(comp.size() >= 1 + R.size()) {
        return comp;
    }
    R.push_back(nod_curent);
    return R;
}

Compilation message

longesttrip.cpp: In function 'int gaseste_leg(int, vi)':
longesttrip.cpp:18:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |         if(l + (1 << i) <= comp.size()) {
      |            ~~~~~~~~~~~~~^~~~~~~~~~~~~~
longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:101:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  101 |     for(int i = 0; i < R.size(); ++i) {
      |                    ~~^~~~~~~~~~
longesttrip.cpp:104:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  104 |             for(int j = i + 1; j < R.size(); ++j)
      |                                ~~^~~~~~~~~~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 2 ms 600 KB Output is correct

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 344 KB Output is correct
2 Correct 5 ms 344 KB Output is correct
3 Correct 5 ms 344 KB Output is correct
4 Correct 5 ms 344 KB Output is correct
5 Correct 4 ms 344 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 5 ms 344 KB Output is correct
3 Correct 4 ms 344 KB Output is correct
4 Correct 4 ms 600 KB Output is correct
5 Correct 5 ms 344 KB Output is correct
6 Correct 7 ms 344 KB Output is correct
7 Correct 7 ms 344 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 5 ms 344 KB Output is correct
10 Correct 4 ms 344 KB Output is correct
11 Correct 4 ms 344 KB Output is correct
12 Correct 4 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 344 KB Output is correct
2 Correct 4 ms 344 KB Output is correct
3 Correct 4 ms 344 KB Output is correct
4 Correct 4 ms 420 KB Output is correct
5 Correct 5 ms 600 KB Output is correct
6 Correct 6 ms 344 KB Output is correct
7 Correct 6 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 5 ms 344 KB Output is correct
11 Correct 5 ms 600 KB Output is correct
12 Correct 5 ms 344 KB Output is correct
13 Correct 5 ms 344 KB Output is correct
14 Correct 12 ms 344 KB Output is correct
15 Correct 13 ms 344 KB Output is correct
16 Correct 8 ms 344 KB Output is correct
17 Correct 6 ms 344 KB Output is correct
18 Correct 6 ms 344 KB Output is correct
19 Correct 6 ms 344 KB Output is correct
20 Correct 7 ms 344 KB Output is correct
21 Correct 5 ms 344 KB Output is correct
22 Correct 5 ms 344 KB Output is correct
23 Correct 6 ms 344 KB Output is correct
24 Correct 5 ms 600 KB Output is correct
25 Correct 8 ms 344 KB Output is correct
26 Correct 10 ms 344 KB Output is correct
27 Correct 10 ms 344 KB Output is correct
28 Correct 15 ms 344 KB Output is correct
29 Correct 9 ms 344 KB Output is correct
30 Correct 12 ms 344 KB Output is correct
31 Correct 14 ms 436 KB Output is correct
32 Correct 15 ms 344 KB Output is correct
33 Correct 11 ms 344 KB Output is correct
34 Correct 11 ms 344 KB Output is correct
35 Correct 12 ms 600 KB Output is correct
36 Correct 11 ms 344 KB Output is correct
37 Correct 14 ms 436 KB Output is correct
38 Correct 15 ms 600 KB Output is correct
39 Correct 20 ms 600 KB Output is correct
40 Correct 21 ms 440 KB Output is correct
41 Correct 22 ms 344 KB Output is correct
42 Correct 21 ms 688 KB Output is correct
43 Correct 22 ms 696 KB Output is correct
44 Correct 22 ms 444 KB Output is correct
45 Correct 7 ms 344 KB Output is correct
46 Correct 7 ms 344 KB Output is correct
47 Correct 8 ms 344 KB Output is correct
48 Correct 6 ms 344 KB Output is correct
49 Correct 7 ms 344 KB Output is correct
50 Correct 6 ms 344 KB Output is correct
51 Correct 9 ms 440 KB Output is correct
52 Correct 10 ms 436 KB Output is correct
53 Correct 6 ms 344 KB Output is correct
54 Correct 8 ms 600 KB Output is correct
55 Correct 9 ms 852 KB Output is correct
56 Correct 8 ms 600 KB Output is correct
57 Correct 8 ms 604 KB Output is correct
58 Correct 11 ms 460 KB Output is correct
59 Correct 11 ms 448 KB Output is correct
60 Correct 15 ms 672 KB Output is correct
61 Correct 14 ms 440 KB Output is correct
62 Correct 10 ms 952 KB Output is correct
63 Correct 15 ms 688 KB Output is correct
64 Correct 11 ms 944 KB Output is correct

Subtask #4
30.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 344 KB Output is correct
2 Correct 5 ms 344 KB Output is correct
3 Correct 4 ms 344 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 4 ms 600 KB Output is correct
6 Correct 7 ms 344 KB Output is correct
7 Correct 6 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 5 ms 344 KB Output is correct
11 Correct 4 ms 344 KB Output is correct
12 Correct 4 ms 344 KB Output is correct
13 Correct 5 ms 608 KB Output is correct
14 Correct 9 ms 344 KB Output is correct
15 Correct 11 ms 344 KB Output is correct
16 Correct 7 ms 344 KB Output is correct
17 Correct 6 ms 392 KB Output is correct
18 Correct 6 ms 344 KB Output is correct
19 Correct 6 ms 344 KB Output is correct
20 Correct 7 ms 344 KB Output is correct
21 Correct 8 ms 344 KB Output is correct
22 Correct 10 ms 344 KB Output is correct
23 Correct 13 ms 344 KB Output is correct
24 Correct 15 ms 344 KB Output is correct
25 Correct 12 ms 344 KB Output is correct
26 Correct 12 ms 344 KB Output is correct
27 Correct 13 ms 436 KB Output is correct
28 Correct 13 ms 344 KB Output is correct
29 Correct 10 ms 344 KB Output is correct
30 Correct 12 ms 344 KB Output is correct
31 Correct 13 ms 600 KB Output is correct
32 Correct 8 ms 344 KB Output is correct
33 Correct 7 ms 344 KB Output is correct
34 Correct 8 ms 344 KB Output is correct
35 Correct 9 ms 344 KB Output is correct
36 Correct 7 ms 344 KB Output is correct
37 Correct 6 ms 344 KB Output is correct
38 Correct 10 ms 440 KB Output is correct
39 Correct 11 ms 436 KB Output is correct
40 Correct 6 ms 600 KB Output is correct
41 Correct 7 ms 600 KB Output is correct
42 Correct 7 ms 344 KB Output is correct
43 Correct 5 ms 600 KB Output is correct
44 Correct 7 ms 344 KB Output is correct
45 Correct 5 ms 344 KB Output is correct
46 Correct 5 ms 600 KB Output is correct
47 Partially correct 11 ms 344 KB Output is partially correct
48 Partially correct 16 ms 344 KB Output is partially correct
49 Partially correct 17 ms 344 KB Output is partially correct
50 Partially correct 23 ms 344 KB Output is partially correct
51 Partially correct 18 ms 444 KB Output is partially correct
52 Partially correct 19 ms 448 KB Output is partially correct
53 Partially correct 18 ms 436 KB Output is partially correct
54 Partially correct 19 ms 948 KB Output is partially correct
55 Partially correct 20 ms 944 KB Output is partially correct
56 Partially correct 14 ms 344 KB Output is partially correct
57 Partially correct 16 ms 412 KB Output is partially correct
58 Partially correct 20 ms 436 KB Output is partially correct
59 Partially correct 19 ms 440 KB Output is partially correct
60 Partially correct 20 ms 692 KB Output is partially correct
61 Partially correct 22 ms 692 KB Output is partially correct
62 Partially correct 6 ms 344 KB Output is partially correct
63 Partially correct 7 ms 856 KB Output is partially correct
64 Partially correct 12 ms 448 KB Output is partially correct
65 Partially correct 9 ms 700 KB Output is partially correct
66 Partially correct 12 ms 692 KB Output is partially correct
67 Partially correct 14 ms 696 KB Output is partially correct
68 Partially correct 10 ms 452 KB Output is partially correct
69 Partially correct 14 ms 608 KB Output is partially correct
70 Partially correct 11 ms 692 KB Output is partially correct
71 Partially correct 10 ms 344 KB Output is partially correct
72 Partially correct 11 ms 868 KB Output is partially correct
73 Partially correct 14 ms 448 KB Output is partially correct
74 Partially correct 13 ms 452 KB Output is partially correct
75 Partially correct 11 ms 956 KB Output is partially correct
76 Partially correct 16 ms 696 KB Output is partially correct
77 Partially correct 11 ms 344 KB Output is partially correct
78 Partially correct 12 ms 600 KB Output is partially correct
79 Partially correct 11 ms 700 KB Output is partially correct
80 Partially correct 15 ms 440 KB Output is partially correct
81 Partially correct 11 ms 948 KB Output is partially correct
82 Partially correct 10 ms 700 KB Output is partially correct