oj.uz

Submission #529773

# Submission time Handle Problem Language Result Execution time Memory
529773 2022-02-23T15:48:13 Z Koosha_mv Meetings (JOI19_meetings) C++14
29 / 100
 2000 ms 1688 KB 
#include <bits/stdc++.h>
using namespace std;
#define dbgv(v) cout<<#v<<" = "; f(i,0,v.size()) cout<<v[i]<<" "; cout<<endl
#define dbga(a,x,y) cout<<#a<<" = "; f(i,x,y) cout<<a[i]<<" "; cout<<endl
#define erorp(x) cout<<#x<<"={"<<(x.F)<<" , "<<x.S<<"}"<<endl
#define eror(x) cout<<#x<<'='<<(x)<<endl
#define f_(i,a,b) for(int i=a;i>=b;i--)
#define f(i,a,b) for(int i=a;i<b;i++)
#define nb(x) __builtin_popcount(x)
#define all(v) v.begin(),v.end()
#define bit(n,k) (((n)>>(k))&1)
#define Add(x,y) x=(x+y)%mod
#define maxm(a,b) a=max(a,b)
#define minm(a,b) a=min(a,b)
#define lst(x) x[x.size()-1]
#define sz(x) int(x.size())
#define mp make_pair
#define ll long long
#define pb push_back
#define S second
#define F first
#include "meetings.h"

const int N=2020;

int n,rt;
vector<int> g[N];
/*
void Bridge(int u, int v){
	cout<<"BRIDGE "<<u<<" "<<v<<endl;
}
int Query(int u, int v, int w){
	int x;
	cout<<"QUERY "<<u<<" "<<v<<" "<<w<<endl;	
	cin>>x;
	return x;
}*/
bool cmp(int i,int j){
	if(i==rt) return 1;
	if(j==rt) return 0;
	return Query(i,j,rt)==i;
}
void findpath(vector<int> p){
	rt=-1;
	f(i,0,p.size()){
		int check=1;
		f(j,0,p.size()-2){
			int k=j+1;
			j+=(i<=j);
			k+=(i<=k);
			if(j!=i && k!=i && Query(p[i],p[j],p[k])==p[i]){
				check=0;
			}
			
		}
		if(check){
			rt=p[i];
			break;
		}
	}
	if(rt==-1) assert(0);
	vector<int> res;
	for(auto x : p) res.pb(x);
	sort(all(res),cmp);
	f(i,1,res.size()){
		Bridge(min(res[i],res[i-1]),max(res[i],res[i-1]));
	}
}
void solve(vector<int> vec){
	if(vec.size()==1) return ;
	vector<int> path;
	vector<pair<int,int>> e;
	int u=0,v=1;
	while(u==v) u=rand()%vec.size(),v=rand()%vec.size();
	u=vec[u],v=vec[v];
	e.pb({u,u});
	e.pb({v,v});
	for(auto x : vec){
		if(x==u || x==v) continue ;
		e.pb({Query(x,u,v),x});
	}	
	sort(all(e));
	vec.clear();
	f(i,0,e.size()){
		vec.pb(e[i].S);
		if(i==e.size()-1 || e[i].F!=e[i+1].F){
			path.pb(e[i].F);
			solve(vec);
			vec.clear();
		}
	}
	findpath(path);
}
void Solve(int pn){
	n=pn;
	vector<int> vec(n);
	iota(all(vec),0);
	solve(vec);
}
/*
int main(){
	srand(time(NULL));
	cin>>n;
	f(i,1,n){
		int u,v;
		cin>>u>>v;
		g[u].pb(v);
		g[v].pb(u);
	}
	Solve(n);
}
*/

Compilation message

meetings.cpp: In function 'void findpath(std::vector<int>)':
meetings.cpp:8:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   45 |  f(i,0,p.size()){
      |    ~~~~~~~~~~~~                
meetings.cpp:45:2: note: in expansion of macro 'f'
   45 |  f(i,0,p.size()){
      |  ^
meetings.cpp:8:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   47 |   f(j,0,p.size()-2){
      |     ~~~~~~~~~~~~~~             
meetings.cpp:47:3: note: in expansion of macro 'f'
   47 |   f(j,0,p.size()-2){
      |   ^
meetings.cpp:8:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   65 |  f(i,1,res.size()){
      |    ~~~~~~~~~~~~~~              
meetings.cpp:65:2: note: in expansion of macro 'f'
   65 |  f(i,1,res.size()){
      |  ^
meetings.cpp: In function 'void solve(std::vector<int>)':
meetings.cpp:8:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   84 |  f(i,0,e.size()){
      |    ~~~~~~~~~~~~                
meetings.cpp:84:2: note: in expansion of macro 'f'
   84 |  f(i,0,e.size()){
      |  ^
meetings.cpp:86:7: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   86 |   if(i==e.size()-1 || e[i].F!=e[i+1].F){
      |      ~^~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 ms 328 KB Output is correct
5 Correct 0 ms 328 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 0 ms 328 KB Output is correct
8 Correct 0 ms 328 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 0 ms 328 KB Output is correct
11 Correct 0 ms 328 KB Output is correct
12 Correct 0 ms 328 KB Output is correct
13 Correct 1 ms 328 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 ms 328 KB Output is correct
5 Correct 0 ms 328 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 0 ms 328 KB Output is correct
8 Correct 0 ms 328 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 0 ms 328 KB Output is correct
11 Correct 0 ms 328 KB Output is correct
12 Correct 0 ms 328 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 0 ms 392 KB Output is correct
19 Correct 0 ms 328 KB Output is correct
20 Correct 1 ms 328 KB Output is correct
21 Correct 1 ms 328 KB Output is correct
22 Correct 1 ms 328 KB Output is correct
23 Correct 0 ms 328 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 1 ms 328 KB Output is correct
26 Correct 1 ms 328 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 ms 328 KB Output is correct
5 Correct 0 ms 328 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 0 ms 328 KB Output is correct
8 Correct 0 ms 328 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 0 ms 328 KB Output is correct
11 Correct 0 ms 328 KB Output is correct
12 Correct 0 ms 328 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 0 ms 392 KB Output is correct
19 Correct 0 ms 328 KB Output is correct
20 Correct 1 ms 328 KB Output is correct
21 Correct 1 ms 328 KB Output is correct
22 Correct 1 ms 328 KB Output is correct
23 Correct 0 ms 328 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 1 ms 328 KB Output is correct
26 Correct 1 ms 328 KB Output is correct
27 Correct 4 ms 328 KB Output is correct
28 Correct 3 ms 328 KB Output is correct
29 Correct 4 ms 328 KB Output is correct
30 Correct 4 ms 328 KB Output is correct
31 Correct 3 ms 328 KB Output is correct
32 Correct 5 ms 328 KB Output is correct
33 Correct 10 ms 436 KB Output is correct
34 Correct 11 ms 428 KB Output is correct
35 Correct 9 ms 328 KB Output is correct
36 Correct 4 ms 328 KB Output is correct
37 Correct 8 ms 436 KB Output is correct
38 Correct 15 ms 444 KB Output is correct
39 Correct 147 ms 1216 KB Output is correct

Subtask #4
0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 388 ms 576 KB Output is correct
2 Correct 451 ms 704 KB Output is correct
3 Correct 435 ms 764 KB Output is correct
4 Correct 477 ms 572 KB Output is correct
5 Correct 287 ms 696 KB Output is correct
6 Correct 332 ms 708 KB Output is correct
7 Correct 336 ms 700 KB Output is correct
8 Correct 365 ms 704 KB Output is correct
9 Correct 385 ms 804 KB Output is correct
10 Correct 348 ms 832 KB Output is correct
11 Correct 420 ms 720 KB Output is correct
12 Correct 389 ms 956 KB Output is correct
13 Correct 268 ms 704 KB Output is correct
14 Correct 353 ms 704 KB Output is correct
15 Correct 253 ms 656 KB Output is correct
16 Correct 321 ms 724 KB Output is correct
17 Correct 408 ms 856 KB Output is correct
18 Execution timed out 2074 ms 1688 KB Time limit exceeded
19 Halted 0 ms 0 KB -