# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
344143 | beksultan04 | Meetings (JOI19_meetings) | C++14 | 313 ms | 748 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "meetings.h"
//#include "grader.cpp"
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define OK puts("OK");
#define NO puts("NO");
#define YES puts("YES");
#define fr first
#define sc second
#define ret return
#define all(s) s.begin(),s.end()
#define allr(s) s.rbegin(),s.rend()
#define pb push_back
#define sz(v) (int)v.size()
#define endi puts("");
using namespace std;
bool vis[2001],voobshe[2001];
set <int> g[2001];
void Solve(int N) {
int x = Query(0, 1, 2),i,j,y=1;
if (N == 3){
if (x == 0){
Bridge(0,1);
Bridge(0,2);
}
else if (x == 1){
Bridge(1,2);
Bridge(0,1);
}
else {
Bridge(0,2);
Bridge(1,2);
}
ret ;
}
map <pii,bool> mp;
/// krasava -_0
x=0;
for (i=1;i<N;++i){
int cnt=g[x].size();
for (int to : g[x]){
int s = Query(x,to,i);
if (s == x){
cnt--;
continue;
}
if (s == to){
x = s;
i--;
break;
}
else {
g[x].erase(to);
g[to].erase(x);
g[x].insert(i);
g[to].insert(i);
g[i].insert(to);
g[i].insert(x);
break;
}
cnt--;
}
if (cnt == 0){
g[x].insert(i);
g[i].insert(x);
}
}
// for (i=0;i<N;++i){
// cout <<i<<"- ";
// for (int to : g[i]){
// if (to > i)
// cout <<to<<" ";
// }
// endi;
// }
for (i=0;i<N;++i){
for (int to : g[i]){
if (to > i){
Bridge(i,to);
}
}
}
}
Compilation message (stderr)
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