Submission #1030240

# Submission time Handle Problem Language Result Execution time Memory
1030240 2024-07-22T00:26:23 Z vjudge1 Fun Tour (APIO20_fun) C++17
66 / 100
118 ms 38116 KB
#include "fun.h"

#include <bits/stdc++.h>
using namespace std;
int N_;
std::vector<int> createFunTour(int N, int Q) {
    if(N==2) return{0,1};
    pair<int,int>centroid{N,0};
    for(int i=1;i<N;i++) {
        int k=attractionsBehind(0,i);
        if(k>=(N+1)/2)
            centroid=min(centroid,{k,i});
    }
    int k=centroid.second;
    vector<int>subtreez;
    vector<pair<int,int>> why[3];
    for(int i=0;i<N;i++){
        if(i==k) continue;
        int C=hoursRequired(k,i);
        if(!subtreez.size()){
            subtreez.push_back(i);
            why[0].push_back({C,i});
        } else if(subtreez.size()==1){
            if(why[0][0].first+C-hoursRequired(why[0][0].second,i))
                why[0].push_back({C,i});
            else subtreez.push_back(i),why[1].push_back({C,i});
        } else {
            if(why[0][0].first+C-hoursRequired(why[0][0].second,i))
                why[0].push_back({C,i});
            else if(why[1][0].first+C-hoursRequired(why[1][0].second,i))
                why[1].push_back({C,i});
            else why[2].push_back({C,i});
        }
    }
    sort(why[0].begin(),why[0].end());
    sort(why[1].begin(),why[1].end());
    sort(why[2].begin(),why[2].end());
    sort(why,why+3,[](vector<pair<int,int>>&a,vector<pair<int,int>>&b){
        if(a.empty()||b.empty()) return !a.empty();
        if(a.size()==(N_+1)/2) return true;
        if(b.size()==(N_+1)/2) return false;
        return a.back().first>b.back().first;
    });
    vector<int>ans{why[0].back().second};
    int prevdep=1e9,curdep=why[0].back().first,cursub=0;
    why[0].pop_back();
    while(ans.size()<N-1){
        vector<int>compatible;
        for(int i=0;i<3;i++)
            if(why[i].size()&&i-cursub&&why[i].back().first<=prevdep)
                compatible.push_back(i);
        if(compatible.size()==1){
            int c=compatible[0];
            prevdep=curdep;cursub=c;
            curdep=why[c].back().first;
            ans.push_back(why[c].back().second);
            why[c].pop_back();
        } else {
            int A=compatible[0];
            int B=compatible[1];
            int tot=why[0].size()+why[1].size()+why[2].size();
            if(why[A].size()<why[B].size())
                swap(A,B);
            if(why[A].size()==why[B].size()){
                if(why[A].back().first<why[B].back().first){
                    prevdep=curdep;cursub=B;
                    curdep=why[B].back().first;
                    ans.push_back(why[B].back().second);
                    why[B].pop_back();
                } else {
                    prevdep=curdep;cursub=A;
                    curdep=why[A].back().first;
                    ans.push_back(why[A].back().second);
                    why[A].pop_back();
                }
            } else if(why[A].size()>=tot/2){
                prevdep=curdep;cursub=A;
                curdep=why[A].back().first;
                ans.push_back(why[A].back().second);
                why[A].pop_back();
            } else if(why[B].size()>=tot/2){
                prevdep=curdep;cursub=B;
                curdep=why[B].back().first;
                ans.push_back(why[B].back().second);
                why[B].pop_back();
            } else if(why[A].back().first<why[B].back().first){
                prevdep=curdep;cursub=B;
                curdep=why[B].back().first;
                ans.push_back(why[B].back().second);
                why[B].pop_back();
            } else {
                prevdep=curdep;cursub=A;
                curdep=why[A].back().first;
                ans.push_back(why[A].back().second);
                why[A].pop_back();
            }
        }
    }
    ans.push_back(k);
    return ans;
}

Compilation message

fun.cpp: In lambda function:
fun.cpp:40:20: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   40 |         if(a.size()==(N_+1)/2) return true;
      |            ~~~~~~~~^~~~~~~~~~
fun.cpp:41:20: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   41 |         if(b.size()==(N_+1)/2) return false;
      |            ~~~~~~~~^~~~~~~~~~
fun.cpp: In function 'std::vector<int> createFunTour(int, int)':
fun.cpp:47:21: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   47 |     while(ans.size()<N-1){
      |           ~~~~~~~~~~^~~~
fun.cpp:76:36: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   76 |             } else if(why[A].size()>=tot/2){
      |                       ~~~~~~~~~~~~~^~~~~~~
fun.cpp:81:36: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   81 |             } else if(why[B].size()>=tot/2){
      |                       ~~~~~~~~~~~~~^~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 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 344 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 344 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 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 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 344 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 344 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 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 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 1 ms 348 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 ms 348 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 1 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 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 344 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
# 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 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 344 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 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 82 ms 15164 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 604 KB Output is correct
22 Correct 4 ms 1116 KB Output is correct
23 Correct 8 ms 2136 KB Output is correct
24 Correct 10 ms 2788 KB Output is correct
25 Correct 44 ms 8812 KB Output is correct
# 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 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 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 1 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 1628 KB Output is correct
15 Correct 89 ms 15288 KB Output is correct
16 Correct 86 ms 14800 KB Output is correct
17 Correct 15 ms 3676 KB Output is correct
18 Correct 40 ms 7064 KB Output is correct
19 Correct 69 ms 11940 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 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 344 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 344 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 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 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 1 ms 348 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 ms 348 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 1 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 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 344 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 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 82 ms 15164 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 604 KB Output is correct
48 Correct 4 ms 1116 KB Output is correct
49 Correct 8 ms 2136 KB Output is correct
50 Correct 10 ms 2788 KB Output is correct
51 Correct 44 ms 8812 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 6 ms 1628 KB Output is correct
54 Correct 89 ms 15288 KB Output is correct
55 Correct 86 ms 14800 KB Output is correct
56 Correct 15 ms 3676 KB Output is correct
57 Correct 40 ms 7064 KB Output is correct
58 Correct 69 ms 11940 KB Output is correct
59 Correct 3 ms 860 KB Output is correct
60 Correct 103 ms 15052 KB Output is correct
61 Correct 118 ms 17352 KB Output is correct
62 Correct 104 ms 15048 KB Output is correct
63 Runtime error 98 ms 38116 KB Execution killed with signal 11
64 Halted 0 ms 0 KB -