#include "meetings.h"
#include <bits/stdc++.h>
#define fi first
#define se second
#define eb emplace_back
#define em emplace
#define all(v) v.begin(), v.end()
using namespace std;
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
const int MAX = 2020;
const int INF = (1 << 30) - 1;
const ll LINF = 1LL << 60;
int p[MAX];
vector <int> c[MAX];
void add(int a, int b) {
bool flag = false;
for(int i = 0; i < c[a].size(); i++) {
int mid = Query(a, c[a][i], b);
if(mid == a) continue;
flag = true;
if(mid == c[a][i]) {
add(c[a][i], b);
break;
}
else if(mid == b) {
p[b] = a;
p[c[a][i]] = b;
c[b].eb(c[a][i]);
c[a][i] = b;
return;
}
else {
p[c[a][i]] = mid;
p[b] = mid;
p[mid] = a;
c[mid].eb(c[a][i]);
c[mid].eb(b);
c[a][i] = mid;
return;
}
}
if(!flag) {
p[b] = a, c[a].eb(b);
return;
}
}
void Solve(int n) {
for(int i = 1; i < n; i++) p[i] = -1;
vector <int> v;
for(int i = 1; < n; i++) {
v.eb(i);
}
random_shuffle(all(v));
for(int i = 0; i < n - 1; i++) {
if(p[v[i]] == -1) add(0, v[i]);
}
for(int i = 1; i < n; i++) {
Bridge(min(i, p[i]), max(i, p[i]));
}
}
Compilation message
meetings.cpp: In function 'void add(int, int)':
meetings.cpp:23:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0; i < c[a].size(); i++) {
~~^~~~~~~~~~~~~
meetings.cpp: In function 'void Solve(int)':
meetings.cpp:57:19: error: expected primary-expression before '<' token
for(int i = 1; < n; i++) {
^
