oj.uz

Submission #604960

# Submission time Handle Problem Language Result Execution time Memory
604960 2022-07-25T11:12:51 Z CSQ31 ICC (CEOI16_icc) C++17
100 / 100
 128 ms 508 KB 
#include <bits/stdc++.h>
#include "icc.h"
using namespace std;
int par[1000];
int find(int x){
	if(x==par[x])return x;
	return par[x] = find(par[x]);
}
void unite(int a,int b){
	a = find(a);
	b = find(b);
	if(a==b)return;
	par[a] = b;
	
}
int n;
int A[200],B[200],an,bn;
/*
int query(int a, int b, int *A, int *B){
	int ans;
	for(int i=0;i<a;i++)cout<<A[i]<<" ";
	cout<<'\n';
	for(int i=0;i<b;i++)cout<<B[i]<<" ";
	cout<<'\n';
	cin>>ans;
	return ans;
}
void setRoad(int a, int b){
	cout<<"added edge"<<'\n';
	cout<<a<<" "<<b<<'\n';
}*/
typedef pair<int,int> pii;
#define fi first
#define se second
void run(int N){
	n = N;
	for(int i=1;i<=n;i++)par[i] = i;
	for(int i=1;i<n;i++){
		vector<int>g;
		vector<vector<int>>p(n+1);
		for(int j=1;j<=n;j++){
			if(j==find(j))g.push_back(j);
			p[find(j)].push_back(j);
		}
		vector<int>s1,s2;
		int m = g.size();
		vector<pii>range = {{0,m-1}};
		while(true){
			s1.clear();
			s2.clear();
			vector<pii>rn;
			for(pii x:range){
				int l = x.fi;
				int r = x.se;
				if(l==r)continue;
				int mid = (l+r)/2;
				rn.push_back({l,mid});
				rn.push_back({mid+1,r});
				for(int j=l;j<=mid;j++)s1.push_back(g[j]);
				for(int j=mid+1;j<=r;j++)s2.push_back(g[j]);
			}
			int ptr = 0;
			for(int x:s1){
				for(int y:p[x])A[ptr++] = y;
			}
			an = ptr;
			ptr = 0;
			for(int x:s2){
				for(int y:p[x])B[ptr++] = y;
			}
			bn = ptr;
			if(query(an,bn,A,B))break;
			swap(range,rn);
		}
		int l = 1,r = an;
		while(r>l){
			int mid = (l+r)/2;
			if(query(mid,bn,A,B))r = mid;
			else l = mid+1;
		}
		int v = A[r-1];
		l = 1;r = bn;
		while(r>l){
			int mid = (l+r)/2;
			if(query(an,mid,A,B))r = mid;
			else l = mid+1;
		}
		int u = B[r-1];
		unite(v,u);
		setRoad(v,u);
	}
	
}
/*
int main()
{
	int m;
	cin>>m;
	run(m);
	
}*/

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 468 KB Ok! 103 queries used.
2 Correct 8 ms 468 KB Ok! 100 queries used.

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 468 KB Ok! 528 queries used.
2 Correct 33 ms 504 KB Ok! 562 queries used.
3 Correct 35 ms 468 KB Ok! 588 queries used.

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 488 KB Ok! 1441 queries used.
2 Correct 105 ms 492 KB Ok! 1340 queries used.
3 Correct 123 ms 488 KB Ok! 1545 queries used.
4 Correct 123 ms 468 KB Ok! 1482 queries used.

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 115 ms 468 KB Ok! 1490 queries used.
2 Correct 114 ms 492 KB Ok! 1506 queries used.
3 Correct 128 ms 492 KB Ok! 1519 queries used.
4 Correct 122 ms 484 KB Ok! 1489 queries used.

Subtask #5
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 117 ms 504 KB Ok! 1502 queries used.
2 Correct 115 ms 500 KB Ok! 1483 queries used.
3 Correct 116 ms 508 KB Ok! 1514 queries used.
4 Correct 125 ms 488 KB Ok! 1519 queries used.
5 Correct 123 ms 496 KB Ok! 1492 queries used.
6 Correct 116 ms 504 KB Ok! 1507 queries used.

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 116 ms 496 KB Ok! 1519 queries used.
2 Correct 118 ms 488 KB Ok! 1483 queries used.