#include "meetings.h"
#include <iostream>
#include <unordered_map>
#include <algorithm>
#include <vector>
using namespace std;
const int maxN = 2e3 + 326;
vector<int> adj[maxN];
void addEdge(int a, int b){
//cout << "Adding: " << a << ", " << b << endl;
if(a > b) Bridge(b, a);
else Bridge(a, b);
}
void solve(vector<int> vec){
if(vec.size() == 1) return;
if(vec.size() == 2){
addEdge(vec[0], vec[1]);
return;
}
//cout << "vec = "; for(int x : vec) cout << x << " "; cout << endl;
map<int, vector<int>> mp;
vector<int> nv = vector<int>();
int a = vec[0], b = vec[1];
for(int i = 2; i < vec.size(); i++){
int res = Query(a, b, vec[i]);
if(res == a) a = vec[i];
if(res == b) b = vec[i];
}
//cout << "a = " << a << ", b = " << b << endl;
mp[a] = mp[b] = vector<int>();
mp[a].push_back(a);
mp[b].push_back(b);
for(int i = 0; i < vec.size(); i++){
if(vec[i] == a || vec[i] == b) continue;
int res = Query(a, b, vec[i]);
if(!mp.count(res)) mp[res] = vector<int>();
mp[res].push_back(vec[i]);
}
for(auto [x, v] : mp){
//cout << "x = " << x << ", v = "; for(int y : v) cout << y << " "; cout << endl;
solve(v);
if(x != a && x != b) nv.push_back(x);
}
sort(nv.begin(), nv.end(), [&](int x, int y){
return Query(a, x, y) == x;
});
//cout << "OK\n";
//cout << "nv = " << nv.size() << ", vec: " << vec.size() << endl;
if(nv.size()){
for(int i = 0; i < nv.size() - 1; i++) addEdge(nv[i], nv[i + 1]);
addEdge(a, nv[0]);
addEdge(b, nv[nv.size() - 1]);
} else addEdge(a, b);
}
void Solve(int N){
vector<int> jizz = vector<int>();
for(int i = 0; i < N; i++) jizz.push_back(i);
solve(jizz);
}
Compilation message
meetings.cpp: In function 'void solve(std::vector<int>)':
meetings.cpp:24:2: error: 'map' was not declared in this scope
24 | map<int, vector<int>> mp;
| ^~~
meetings.cpp:5:1: note: 'std::map' is defined in header '<map>'; did you forget to '#include <map>'?
4 | #include <algorithm>
+++ |+#include <map>
5 | #include <vector>
meetings.cpp:24:6: error: expected primary-expression before 'int'
24 | map<int, vector<int>> mp;
| ^~~
meetings.cpp:27:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
27 | for(int i = 2; i < vec.size(); i++){
| ~~^~~~~~~~~~~~
meetings.cpp:33:2: error: 'mp' was not declared in this scope
33 | mp[a] = mp[b] = vector<int>();
| ^~
meetings.cpp:36:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
36 | for(int i = 0; i < vec.size(); i++){
| ~~^~~~~~~~~~~~
meetings.cpp:53:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
53 | for(int i = 0; i < nv.size() - 1; i++) addEdge(nv[i], nv[i + 1]);
| ~~^~~~~~~~~~~~~~~
