oj.uz

Submission #127594

# Submission time Handle Problem Language Result Execution time Memory
127594 2019-07-09T15:57:25 Z TadijaSebez ICC (CEOI16_icc) C++11
61 / 100
 223 ms 688 KB 
#include "icc.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
const int N=105;
int A[N],B[N];
int Ask(vector<int> a, vector<int> b)
{
	for(int i=0;i<a.size();i++) A[i]=a[i];
	for(int i=0;i<b.size();i++) B[i]=b[i];
	return query(a.size(),b.size(),A,B);
}
int p[N];
int Find(int x){ return p[x]==x?x:p[x]=Find(p[x]);}
void Union(int x, int y){ p[Find(x)]=Find(y);}
void init(){ for(int i=0;i<N;i++) p[i]=i;}
bool use[N];
vector<int> Reduce(vector<int> x, vector<int> y)
{
	while(x.size()>1)
	{
		vector<int> v[2];
		for(int i=0;i<x.size();i++) v[i&1].pb(x[i]);
		if(Ask(v[0],y)) x=v[0];
		else x=v[1];
	}
	return x;
}
void run(int n)
{
	mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
	init();
	for(int t=1;t<n;t++)
	{
		vector<int> root,v[2];
		for(int i=1;i<=n;i++) if(Find(i)==i) root.pb(i);
		while(1)
		{
			shuffle(root.begin(),root.end(),rng);
			for(int i=0;i<root.size();i++) use[root[i]]=i&1;
			v[0].clear();
			v[1].clear();
			for(int i=1;i<=n;i++) v[use[Find(i)]].pb(i);
			if(Ask(v[0],v[1])) break;
		}
		v[0]=Reduce(v[0],v[1]);
		v[1]=Reduce(v[1],v[0]);
		setRoad(v[0][0],v[1][0]);
		Union(v[0][0],v[1][0]);
	}
}

Compilation message

icc.cpp: In function 'int Ask(std::vector<int>, std::vector<int>)':
icc.cpp:9:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<a.size();i++) A[i]=a[i];
              ~^~~~~~~~~
icc.cpp:10:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<b.size();i++) B[i]=b[i];
              ~^~~~~~~~~
icc.cpp: In function 'std::vector<int> Reduce(std::vector<int>, std::vector<int>)':
icc.cpp:23:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<x.size();i++) v[i&1].pb(x[i]);
               ~^~~~~~~~~
icc.cpp: In function 'void run(int)':
icc.cpp:40:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int i=0;i<root.size();i++) use[root[i]]=i&1;
                ~^~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 504 KB Ok! 97 queries used.
2 Correct 8 ms 504 KB Ok! 96 queries used.

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 632 KB Ok! 526 queries used.
2 Correct 62 ms 560 KB Ok! 809 queries used.
3 Correct 61 ms 504 KB Ok! 766 queries used.

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 151 ms 504 KB Ok! 1475 queries used.
2 Correct 223 ms 688 KB Ok! 2113 queries used.
3 Correct 159 ms 568 KB Ok! 1617 queries used.
4 Correct 168 ms 604 KB Ok! 1660 queries used.

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 167 ms 632 KB Ok! 1626 queries used.
2 Correct 167 ms 596 KB Ok! 1664 queries used.
3 Correct 192 ms 560 KB Ok! 1880 queries used.
4 Correct 158 ms 572 KB Ok! 1557 queries used.

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 193 ms 504 KB Too many queries! 1868 out of 1775
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 187 ms 636 KB Too many queries! 1828 out of 1625
2 Halted 0 ms 0 KB -