oj.uz

Submission #960180

# Submission time Handle Problem Language Result Execution time Memory
960180 2024-04-09T20:03:28 Z tutis Longest Trip (IOI23_longesttrip) C++17
15 / 100
 17 ms 968 KB 
#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
mt19937_64 rng(0);
 
std::vector<int> longest_trip(int N, int D)
{
    vector<int>x, y;
    x.push_back({0});
    for(int i=1;i<N;i++){
        if(y.size()==0){
            if(are_connected({i}, {x[0]})){
                x.insert(x.begin(),i);
                continue;
            }
            if (are_connected({i}, {x.back()})){
                x.push_back(i);
                continue;
            }
            if(!are_connected({i}, x)){
                y={i};
                continue;
            }
            int lo=0;
            int hi=x.size()-1;
            while(lo<hi){
                int m=(lo+hi)/2;
                vector<int>z;
                for(int i=lo;i<=m;i++){
                    z.push_back(x[i]);
                }
                if(are_connected(z, {i})){
                    hi=m;
                } else{
                    lo=m+1;
                }
            }
            vector<int>z;
            for(int i=lo+1;i<x.size();i++){
                z.push_back(x[i]);
            }
            for(int i=0;i<=lo;i++){
                z.push_back(x[i]);
            }
            z.push_back(i);
            x=z;
            continue;
        }
        if(!are_connected(x,{i})){
            y.push_back(i);
            continue;
        }
        if(!are_connected(y,{i})){
            x.push_back(i);
            continue;
        }
        int i0=0;
        int j0=0;
        if(!are_connected({x[0]},{i})){
            int lo=1;
            int hi=x.size()-1;
            while(lo<hi){
                int m=(lo+hi)/2;
                vector<int>z;
                for(int i=lo;i<=m;i++){
                    z.push_back(x[i]);
                }
                if(are_connected(z, {i})){
                    hi=m;
                } else{
                    lo=m+1;
                }
            }
            i0=lo;
        }
        if(!are_connected({y[0]},{i})){
            int lo=1;
            int hi=y.size()-1;
            while(lo<hi){
                int m=(lo+hi)/2;
                vector<int>z;
                for(int i=lo;i<=m;i++){
                    z.push_back(x[i]);
                }
                if(are_connected(z, {i})){
                    hi=m;
                } else{
                    lo=m+1;
                }
            }
            j0=lo;
        }
        swap(x[i0], x.back());
        swap(y[j0], y[0]);
        x.push_back(i);
        for(int i: y){
            x.push_back(i);
        }
        y={};
    }
    if(x.size()>y.size()){
        return x;
    } else{
        return y;
    }
}

Compilation message

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:39:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |             for(int i=lo+1;i<x.size();i++){
      |                            ~^~~~~~~~~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 2 ms 344 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 4 ms 340 KB Output is correct
3 Correct 5 ms 344 KB Output is correct
4 Correct 6 ms 344 KB Output is correct
5 Correct 5 ms 344 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 340 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 6 ms 344 KB Output is correct
6 Correct 9 ms 344 KB Output is correct
7 Correct 6 ms 344 KB Output is correct
8 Correct 4 ms 340 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 5 ms 440 KB Output is correct
11 Correct 4 ms 344 KB Output is correct
12 Correct 5 ms 600 KB Output is correct
13 Correct 4 ms 344 KB Output is correct

Subtask #3
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 344 KB Output is correct
2 Correct 8 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 344 KB Output is correct
6 Correct 8 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 4 ms 344 KB Output is correct
11 Correct 5 ms 344 KB Output is correct
12 Correct 5 ms 600 KB Output is correct
13 Correct 5 ms 600 KB Output is correct
14 Correct 9 ms 344 KB Output is correct
15 Correct 9 ms 344 KB Output is correct
16 Correct 8 ms 344 KB Output is correct
17 Correct 8 ms 344 KB Output is correct
18 Correct 8 ms 444 KB Output is correct
19 Correct 7 ms 696 KB Output is correct
20 Correct 7 ms 600 KB Output is correct
21 Correct 6 ms 948 KB Output is correct
22 Correct 5 ms 696 KB Output is correct
23 Correct 5 ms 604 KB Output is correct
24 Correct 7 ms 856 KB Output is correct
25 Correct 10 ms 340 KB Output is correct
26 Correct 10 ms 344 KB Output is correct
27 Correct 9 ms 344 KB Output is correct
28 Correct 9 ms 344 KB Output is correct
29 Correct 9 ms 344 KB Output is correct
30 Correct 10 ms 436 KB Output is correct
31 Correct 10 ms 440 KB Output is correct
32 Correct 9 ms 344 KB Output is correct
33 Correct 10 ms 440 KB Output is correct
34 Correct 10 ms 440 KB Output is correct
35 Correct 11 ms 440 KB Output is correct
36 Correct 13 ms 472 KB Output is correct
37 Correct 17 ms 460 KB Output is correct
38 Correct 17 ms 968 KB Output is correct
39 Correct 16 ms 868 KB Output is correct
40 Correct 17 ms 704 KB Output is correct
41 Correct 13 ms 704 KB Output is correct
42 Correct 14 ms 704 KB Output is correct
43 Correct 15 ms 600 KB Output is correct
44 Correct 14 ms 696 KB Output is correct
45 Correct 11 ms 344 KB Output is correct
46 Correct 9 ms 344 KB Output is correct
47 Correct 7 ms 344 KB Output is correct
48 Correct 7 ms 344 KB Output is correct
49 Correct 11 ms 344 KB Output is correct
50 Correct 6 ms 440 KB Output is correct
51 Incorrect 2 ms 436 KB invalid array
52 Halted 0 ms 0 KB -

Subtask #4
0.0 / 60.0

# 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 5 ms 344 KB Output is correct
4 Correct 5 ms 344 KB Output is correct
5 Correct 4 ms 600 KB Output is correct
6 Correct 9 ms 344 KB Output is correct
7 Correct 7 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 5 ms 344 KB Output is correct
10 Correct 4 ms 600 KB Output is correct
11 Correct 6 ms 600 KB Output is correct
12 Correct 4 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 9 ms 344 KB Output is correct
15 Correct 9 ms 344 KB Output is correct
16 Correct 10 ms 344 KB Output is correct
17 Correct 7 ms 344 KB Output is correct
18 Correct 7 ms 344 KB Output is correct
19 Correct 7 ms 600 KB Output is correct
20 Correct 8 ms 600 KB Output is correct
21 Correct 10 ms 344 KB Output is correct
22 Correct 7 ms 344 KB Output is correct
23 Correct 7 ms 344 KB Output is correct
24 Correct 8 ms 344 KB Output is correct
25 Correct 9 ms 344 KB Output is correct
26 Correct 8 ms 436 KB Output is correct
27 Correct 10 ms 444 KB Output is correct
28 Correct 8 ms 596 KB Output is correct
29 Correct 11 ms 440 KB Output is correct
30 Correct 11 ms 444 KB Output is correct
31 Correct 11 ms 344 KB Output is correct
32 Correct 9 ms 344 KB Output is correct
33 Correct 9 ms 344 KB Output is correct
34 Correct 9 ms 344 KB Output is correct
35 Correct 9 ms 344 KB Output is correct
36 Correct 9 ms 344 KB Output is correct
37 Correct 5 ms 432 KB Output is correct
38 Incorrect 2 ms 432 KB invalid array
39 Halted 0 ms 0 KB -