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Submission #291420

# Submission time Handle Problem Language Result Execution time Memory
291420 2020-09-05T10:24:58 Z muhammad_hokimiyon Fun Tour (APIO20_fun) C++14
21 / 100
 191 ms 18288 KB 
#include "fun.h"
#include <bits/stdc++.h>

#define fi first
#define se second

using namespace std;

const int NN = 1e5 + 7;



vector<int> createFunTour(int N, int Q)
{
    if( N == 2 ){
        vector < int > res;
        res.push_back(0);
        res.push_back(1);
        return res;
    }
    set < pair < int , int > > s[3];
    int cntr = 0;
    for( int i = 1; i < N; i++ ){
        if( attractionsBehind(0 , i) * 2 >= N ){
            cntr = i;
        }
    }
    vector < int > d(N , 0);
    for( int i = 0; i < N; i++ ){
        if( i == cntr )continue;
        d[i] = hoursRequired( i , cntr );
    }
    vector < int > gr;
    for( int i = 0; i < N; i++ ){
        if( d[i] == 1 ){
            gr.push_back(i);
            s[(int)gr.size() - 1].insert({ d[i] , i });
        }
    }
    for( int i = 0; i < N; i++ ){
        bool f = false;
        if( i == cntr )continue;
        for( auto x : gr )f |= (i == x);
        if( f )continue;
        for( int j = 0; j < (int)gr.size() - 1; j++ ){
            if( hoursRequired( gr[j] , i ) + 1 == d[i] ){
                f = true;
                s[j].insert({ d[i] , i });
                break;
            }
        }
        if( !f ){
            s[(int)gr.size() - 1].insert({ d[i] , i });
        }
    }
    auto x = *(--s[0].end());
    auto y = *(--s[1].end());
    if( !s[2].empty() && (--s[2].end())->fi > x.fi ){
        if( x.fi > y.fi ){
            y = x;
        }
        x = *(--s[2].end());
    }
    else if( !s[2].empty() && (--s[2].end())->fi > y.fi ){
        if( y.fi > x.fi ){
            x = y;
        }
        y = *(--s[2].end());
    }
    vector < int > res;
    res.push_back(x.se);
    int cnt = 0;
    for( int i = 0; i < 3; i++ ){
        if( s[i].find(x) != s[i].end() ){
            s[i].erase(x);
            cnt += 1;
        }
    }
    for( int i = 0; i < N - 2; i++ ){
        x = {0 , 0};
        int tp = 0;
        for( int j = 0; j < 3; j++ ){
            if( s[j].find(y) != s[j].end() ){
                tp = j;
            }
        }
        if( tp == 0 ){
            if( (int)s[0].size() + (int)s[1].size() < (int)s[2].size() ){
                x = *(--s[2].end());
            }else if( (int)s[0].size() + (int)s[2].size() < (int)s[1].size() ){
                x = *(--s[1].end());
            }else{
                for( int j = 0; j < 3; j++ ){
                    if( tp == j || s[j].empty() )continue;
                    x = max( x , *(--s[j].end()) );
                }
            }
        }else{
            if( tp == 1 ){
                if( (int)s[1].size() + (int)s[2].size() < (int)s[0].size() ){
                    x = *(--s[0].end());
                }else if( (int)s[1].size() + (int)s[0].size() < (int)s[2].size() ){
                    x = *(--s[2].end());
                }else{
                    for( int j = 0; j < 3; j++ ){
                        if( tp == j || s[j].empty() )continue;
                        x = max( x , *(--s[j].end()) );
                    }
                }
            }else{
                if( (int)s[2].size() + (int)s[1].size() < (int)s[0].size() ){
                    x = *(--s[0].end());
                }else if( (int)s[2].size() + (int)s[0].size() < (int)s[1].size() ){
                    x = *(--s[1].end());
                }else{
                    for( int j = 0; j < 3; j++ ){
                        if( tp == j || s[j].empty() )continue;
                        x = max( x , *(--s[j].end()) );
                    }
                }
            }
        }
        int f = 0;
        res.push_back( y.se );
        assert( s[tp].find(y) != s[tp].end() );
        s[tp].erase(y);
        y = x;
    }
    res.push_back(cntr);
    return res;
}

Compilation message

fun.cpp: In function 'std::vector<int> createFunTour(int, int)':
fun.cpp:123:13: warning: unused variable 'f' [-Wunused-variable]
  123 |         int f = 0;
      |             ^

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Runtime error 1 ms 512 KB Execution killed with signal 11
13 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Runtime error 1 ms 512 KB Execution killed with signal 11
13 Halted 0 ms 0 KB -

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 191 ms 18288 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 3 ms 640 KB Output is correct
21 Correct 5 ms 768 KB Output is correct
22 Correct 9 ms 1536 KB Output is correct
23 Correct 18 ms 2560 KB Output is correct
24 Correct 25 ms 3456 KB Output is correct
25 Correct 106 ms 10896 KB Output is correct

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Runtime error 1 ms 512 KB Execution killed with signal 11
6 Halted 0 ms 0 KB -

Subtask #5
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Runtime error 1 ms 512 KB Execution killed with signal 11
13 Halted 0 ms 0 KB -