oj.uz

Submission #1030515

# Submission time Handle Problem Language Result Execution time Memory
1030515 2024-07-22T06:16:17 Z _8_8_ Fun Tour (APIO20_fun) C++17
66 / 100
 162 ms 21404 KB 
#include "fun.h"
#include <bits/stdc++.h>
using namespace std;
int n,q;
int find_cen(){
    vector<pair<int,int>> a;
    for(int i = 1;i < n;i++){
        int s = attractionsBehind(0,i); 
        if(s*2 > n){
            a.emplace_back(s,i);
        }
    }
    if(a.empty()) return 0;
    sort(a.begin(),a.end());
    return a[0].second;
}
const int N = 1e5 + 12;
int val[N];
vector<int> createFunTour(int nn, int qq) {
    if(nn == 2){
        return {0,1};
    }
    n = nn;q = qq;
    int c = find_cen();
    array<int,3> ver = {-1,-1,-1};
    array<vector<pair<int,int>>,3> vec;
    for(int i = 0;i < n;i++){
        if(i == c) continue;
        val[i] = hoursRequired(c,i);
        if(val[i] == 1){
            for(int j = 0;j < 3;j++){
                if(ver[j] == -1){
                    ver[j] = i;
                    break;
                }
            }
        }
    }
    vector<int> res;
    for(int i = 0;i < n;i++){
        if(i == c) continue;
        if(val[i] == 1){
            if(i == ver[0]){
                vec[0].push_back({1,i});
            }else if(i == ver[1]){
                vec[1].push_back({1,i});
            }else{
                vec[2].push_back({1,i});
            }
            continue;
        }
        int _ = -1;
        for(int k = 0;k < 2;k++){
            if(val[i] - 1 == hoursRequired(i,ver[k])){
                _=k;
                break;
            }
        }
        if(_ == -1) _ = 2;
        vec[_].push_back({val[i],i});
    }
    int lst = -1;
    int l = 0;
    bool OK = true;
    int _x = (int)vec[0].size(),_y = (int)vec[1].size(),_z = (int)vec[2].size();
    if(true){
        vector<pair<int,int>> cc;
        for(int i = 0;i < 3;i++){
            cc.push_back({(int)vec[i].size(),i});
        }
        sort(cc.begin(),cc.end());
        vec[(int)cc[0].second].push_back({0,c});
    }
    for(int i = 0;i < 3;i++){
        sort(vec[i].begin(),vec[i].end());
    }
    while(true){
        int _x = (int)vec[0].size(),_y = (int)vec[1].size(),_z = (int)vec[2].size();
        if(_x == _y + _z || _y == _x + _z || _z == _x + _y){
            break;
        }
        if(!_x || !_y || !_z){
            int mx = max({_x,_y,_z});
            for(int i = 0;i < 3;i++){
                if((int)vec[i].size() == mx){
                    lst = i;
                    res.push_back(vec[i].back().second);
                    vec[i].pop_back();
                }
            }
            break;
        }
        pair<int,int> mx = {-1,-1};
        int id = -1;
        auto upd = [&](vector<pair<int,int>> &a,int j){
            if(j != lst && (int)a.size()){
                pair<int,int> nv = make_pair(a.back().first,(int)a.size());
                if(nv > mx){
                    mx = nv;
                    id = j;
                }
            }
        };
        auto del = [&](vector<pair<int,int>> &x){ 
            res.push_back(x.back().second);
            x.pop_back();
        };
        int cc = 0;
        for(int i = 0;i < 3;i++){
            if((int)vec[i].empty()) cc++;
            upd(vec[i],i);
        }
        lst = id;
        del(vec[id]);
    }
    vector<int> X,Y;
    vector<pair<int,int>> bff;
    for(int i = 0;i < 3;i++){
        bff.push_back({(int)vec[i].size(),i});
    }
    sort(bff.begin(),bff.end());
    bool ok = false;
    for(int i = 0;i < 3;i++){
        int j = bff[i].second;
        if(i < 2){
            if(lst == j) ok = 1;
            for(auto f:vec[j]){
                X.push_back(f.second);
            }
        }else{
            for(auto f:vec[j]){
                Y.push_back(f.second);
            }
        }
    }
    if(ok){
        X.swap(Y);
    }
    auto cmp = [&](int x,int y)->bool{
        return val[x] > val[y];
    };
    sort(X.begin(),X.end(),cmp);
    sort(Y.begin(),Y.end(),cmp);
    for(int i = 0;i < (int)X.size();i++){
        res.push_back(X[i]);
        res.push_back(Y[i]);
    }
    return res;
}

Compilation message

fun.cpp: In function 'std::vector<int> createFunTour(int, int)':
fun.cpp:63:9: warning: unused variable 'l' [-Wunused-variable]
   63 |     int l = 0;
      |         ^
fun.cpp:64:10: warning: unused variable 'OK' [-Wunused-variable]
   64 |     bool OK = true;
      |          ^~
fun.cpp:65:9: warning: unused variable '_x' [-Wunused-variable]
   65 |     int _x = (int)vec[0].size(),_y = (int)vec[1].size(),_z = (int)vec[2].size();
      |         ^~
fun.cpp:65:33: warning: unused variable '_y' [-Wunused-variable]
   65 |     int _x = (int)vec[0].size(),_y = (int)vec[1].size(),_z = (int)vec[2].size();
      |                                 ^~
fun.cpp:65:57: warning: unused variable '_z' [-Wunused-variable]
   65 |     int _x = (int)vec[0].size(),_y = (int)vec[1].size(),_z = (int)vec[2].size();
      |                                                         ^~

Subtask #1
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 344 KB Output is correct
5 Correct 0 ms 440 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 344 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 0 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 0 ms 348 KB Output is correct
18 Correct 0 ms 440 KB Output is correct
19 Correct 0 ms 604 KB Output is correct
20 Correct 0 ms 348 KB Output is correct

Subtask #2
16.0 / 16.0

# 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 344 KB Output is correct
5 Correct 0 ms 440 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 344 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 0 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 0 ms 348 KB Output is correct
18 Correct 0 ms 440 KB Output is correct
19 Correct 0 ms 604 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 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 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 444 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 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 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 440 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 1 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 1 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 1 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 81 ms 16696 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 2 ms 860 KB Output is correct
22 Correct 4 ms 1372 KB Output is correct
23 Correct 7 ms 2268 KB Output is correct
24 Correct 10 ms 3180 KB Output is correct
25 Correct 48 ms 9580 KB Output is correct

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 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 444 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 1 ms 348 KB Output is correct
14 Correct 6 ms 1884 KB Output is correct
15 Correct 83 ms 16588 KB Output is correct
16 Correct 98 ms 16432 KB Output is correct
17 Correct 15 ms 4180 KB Output is correct
18 Correct 38 ms 7756 KB Output is correct
19 Correct 61 ms 12964 KB Output is correct
20 Correct 3 ms 860 KB Output is correct

Subtask #5
0 / 34.0

# 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 344 KB Output is correct
5 Correct 0 ms 440 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 344 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 0 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 0 ms 348 KB Output is correct
18 Correct 0 ms 440 KB Output is correct
19 Correct 0 ms 604 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 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 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 444 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 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 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 81 ms 16696 KB Output is correct
45 Correct 1 ms 344 KB Output is correct
46 Correct 1 ms 604 KB Output is correct
47 Correct 2 ms 860 KB Output is correct
48 Correct 4 ms 1372 KB Output is correct
49 Correct 7 ms 2268 KB Output is correct
50 Correct 10 ms 3180 KB Output is correct
51 Correct 48 ms 9580 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 6 ms 1884 KB Output is correct
54 Correct 83 ms 16588 KB Output is correct
55 Correct 98 ms 16432 KB Output is correct
56 Correct 15 ms 4180 KB Output is correct
57 Correct 38 ms 7756 KB Output is correct
58 Correct 61 ms 12964 KB Output is correct
59 Correct 3 ms 860 KB Output is correct
60 Correct 106 ms 16844 KB Output is correct
61 Correct 123 ms 19400 KB Output is correct
62 Correct 101 ms 17352 KB Output is correct
63 Correct 144 ms 21192 KB Output is correct
64 Correct 125 ms 20796 KB Output is correct
65 Correct 134 ms 16820 KB Output is correct
66 Correct 138 ms 18956 KB Output is correct
67 Correct 134 ms 20852 KB Output is correct
68 Correct 141 ms 20224 KB Output is correct
69 Correct 162 ms 21404 KB Output is correct
70 Correct 102 ms 16792 KB Output is correct
71 Correct 118 ms 20496 KB Output is correct
72 Incorrect 136 ms 19148 KB Tour is not fun
73 Halted 0 ms 0 KB -