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Submission #136941

# Submission time Handle Problem Language Result Execution time Memory
136941 2019-07-26T15:46:48 Z rondojim Simurgh (IOI17_simurgh) C++17
51 / 100
 275 ms 4164 KB 
#include "simurgh.h"
#include<bits/stdc++.h>
typedef long long ll;
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
ll n,m,p[550],i,tim;
ll X[125050];
ll Y[125050];
ll b[125050];
vector<int> r;
vector<pair<ll,ll> > isi;
ll car(ll aa)
{
	if(p[aa]==aa)
		return aa;
	else
		return p[aa]=car(p[aa]);
}
void cek(ll aa)
{
	vector<int> tan;
	ll ii;
	for(ii=0;ii<n;ii++)p[ii]=ii;
	for(ii=0;ii<r.size();ii++)
		if(ii!=aa)
		{
			p[car(X[r[ii]])]=car(Y[r[ii]]);
			tan.pb(r[ii]);
		}
	ll mi=tim,ya=0,ma=-1;
	for(ii=0;ii<m;ii++)
		if(car(X[ii])!=car(Y[ii]))
		{
			if(b[ii]==1)
			{
				r[aa]=ii;
				return ;
			}
		}
	for(ii=0;ii<m;ii++)
		if(car(X[ii])!=car(Y[ii]))
		{
	//		cout<<aa<<" "<<ii<<"\n";
			//b[ii]=1;
			if(b[ii]==2)
				continue;
			tan.pb(ii);
			ll tom=count_common_roads(tan);
			mi=min(mi,tom);
			tan.pop_back();
			isi.pb(mp(-tom,ii));
			/*
			if(tom>mi)
			{
	//			ya=1;
				break;
			}*/
		}
//	cout<<aa<<" "<<ya<<"\n";
	//if(!ya)
	//	return ;
	if(isi.empty())
		return ;
	sort(isi.begin(),isi.end());
	for(ii=0;ii<isi.size();ii++)
		if(isi[0].fi==isi[ii].fi)
			b[isi[ii].se]=1;
		else
			b[isi[ii].se]=2;
	r[aa]=isi[0].se;
	tim=-isi[0].fi;
}
std::vector<int> find_roads(int N, std::vector<int> U, std::vector<int> V) 
{
	n=N;
	m=U.size();
	for(i=0;i<m;i++)
		X[i]=U[i];
	for(i=0;i<m;i++)
		Y[i]=V[i];
	for(i=0;i<n;i++)p[i]=i;
	for(i=0;i<m;i++)
		if(car(U[i])!=car(V[i]))
		{
			p[car(U[i])]=car(V[i]);
			r.pb(i);
		}
	//while(1);
	tim=count_common_roads(r);
	for(i=0;i<r.size();i++)
	{
		isi.clear();
		cek(i);
	//	cout<<i<<" "<<r[i]<<"\n";
	}
	//for(i=0;i<r.size();i++)
	return r;
}

Compilation message

simurgh.cpp: In function 'void cek(ll)':
simurgh.cpp:27:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(ii=0;ii<r.size();ii++)
           ~~^~~~~~~~~
simurgh.cpp:68:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(ii=0;ii<isi.size();ii++)
           ~~^~~~~~~~~~~
simurgh.cpp:33:12: warning: unused variable 'ya' [-Wunused-variable]
  ll mi=tim,ya=0,ma=-1;
            ^~
simurgh.cpp:33:17: warning: unused variable 'ma' [-Wunused-variable]
  ll mi=tim,ya=0,ma=-1;
                 ^~
simurgh.cpp: In function 'std::vector<int> find_roads(int, std::vector<int>, std::vector<int>)':
simurgh.cpp:93:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(i=0;i<r.size();i++)
          ~^~~~~~~~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB correct
2 Correct 2 ms 376 KB correct
3 Correct 2 ms 376 KB correct
4 Correct 2 ms 376 KB correct
5 Correct 2 ms 380 KB correct
6 Correct 2 ms 376 KB correct
7 Correct 2 ms 376 KB correct
8 Correct 2 ms 376 KB correct
9 Correct 2 ms 376 KB correct
10 Correct 2 ms 376 KB correct
11 Correct 2 ms 376 KB correct
12 Correct 2 ms 376 KB correct
13 Correct 2 ms 376 KB correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB correct
2 Correct 2 ms 376 KB correct
3 Correct 2 ms 376 KB correct
4 Correct 2 ms 376 KB correct
5 Correct 2 ms 380 KB correct
6 Correct 2 ms 376 KB correct
7 Correct 2 ms 376 KB correct
8 Correct 2 ms 376 KB correct
9 Correct 2 ms 376 KB correct
10 Correct 2 ms 376 KB correct
11 Correct 2 ms 376 KB correct
12 Correct 2 ms 376 KB correct
13 Correct 2 ms 376 KB correct
14 Correct 4 ms 376 KB correct
15 Correct 4 ms 376 KB correct
16 Correct 4 ms 376 KB correct
17 Correct 4 ms 376 KB correct
18 Correct 3 ms 376 KB correct
19 Correct 4 ms 376 KB correct
20 Correct 4 ms 376 KB correct
21 Correct 4 ms 376 KB correct
22 Correct 4 ms 376 KB correct
23 Correct 4 ms 376 KB correct
24 Correct 3 ms 376 KB correct
25 Correct 2 ms 376 KB correct
26 Correct 4 ms 376 KB correct
27 Correct 4 ms 504 KB correct
28 Correct 3 ms 376 KB correct
29 Correct 3 ms 376 KB correct
30 Correct 4 ms 376 KB correct
31 Correct 4 ms 504 KB correct
32 Correct 4 ms 376 KB correct
33 Correct 4 ms 376 KB correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB correct
2 Correct 2 ms 376 KB correct
3 Correct 2 ms 376 KB correct
4 Correct 2 ms 376 KB correct
5 Correct 2 ms 380 KB correct
6 Correct 2 ms 376 KB correct
7 Correct 2 ms 376 KB correct
8 Correct 2 ms 376 KB correct
9 Correct 2 ms 376 KB correct
10 Correct 2 ms 376 KB correct
11 Correct 2 ms 376 KB correct
12 Correct 2 ms 376 KB correct
13 Correct 2 ms 376 KB correct
14 Correct 4 ms 376 KB correct
15 Correct 4 ms 376 KB correct
16 Correct 4 ms 376 KB correct
17 Correct 4 ms 376 KB correct
18 Correct 3 ms 376 KB correct
19 Correct 4 ms 376 KB correct
20 Correct 4 ms 376 KB correct
21 Correct 4 ms 376 KB correct
22 Correct 4 ms 376 KB correct
23 Correct 4 ms 376 KB correct
24 Correct 3 ms 376 KB correct
25 Correct 2 ms 376 KB correct
26 Correct 4 ms 376 KB correct
27 Correct 4 ms 504 KB correct
28 Correct 3 ms 376 KB correct
29 Correct 3 ms 376 KB correct
30 Correct 4 ms 376 KB correct
31 Correct 4 ms 504 KB correct
32 Correct 4 ms 376 KB correct
33 Correct 4 ms 376 KB correct
34 Correct 234 ms 1820 KB correct
35 Correct 275 ms 2036 KB correct
36 Correct 159 ms 1388 KB correct
37 Correct 14 ms 376 KB correct
38 Correct 221 ms 1756 KB correct
39 Correct 212 ms 1656 KB correct
40 Correct 162 ms 1444 KB correct
41 Correct 98 ms 2040 KB correct
42 Correct 214 ms 1912 KB correct
43 Correct 149 ms 1272 KB correct
44 Correct 165 ms 1044 KB correct
45 Correct 146 ms 1136 KB correct
46 Correct 110 ms 932 KB correct
47 Correct 47 ms 632 KB correct
48 Correct 7 ms 376 KB correct
49 Correct 16 ms 376 KB correct
50 Correct 48 ms 632 KB correct
51 Correct 147 ms 1244 KB correct
52 Correct 123 ms 988 KB correct
53 Correct 113 ms 888 KB correct
54 Correct 156 ms 1144 KB correct
55 Correct 138 ms 1224 KB correct
56 Correct 134 ms 1144 KB correct
57 Correct 133 ms 1148 KB correct

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB correct
2 Correct 2 ms 376 KB correct
3 Incorrect 171 ms 4164 KB WA in grader: NO
4 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB correct
2 Correct 2 ms 376 KB correct
3 Correct 2 ms 376 KB correct
4 Correct 2 ms 376 KB correct
5 Correct 2 ms 380 KB correct
6 Correct 2 ms 376 KB correct
7 Correct 2 ms 376 KB correct
8 Correct 2 ms 376 KB correct
9 Correct 2 ms 376 KB correct
10 Correct 2 ms 376 KB correct
11 Correct 2 ms 376 KB correct
12 Correct 2 ms 376 KB correct
13 Correct 2 ms 376 KB correct
14 Correct 4 ms 376 KB correct
15 Correct 4 ms 376 KB correct
16 Correct 4 ms 376 KB correct
17 Correct 4 ms 376 KB correct
18 Correct 3 ms 376 KB correct
19 Correct 4 ms 376 KB correct
20 Correct 4 ms 376 KB correct
21 Correct 4 ms 376 KB correct
22 Correct 4 ms 376 KB correct
23 Correct 4 ms 376 KB correct
24 Correct 3 ms 376 KB correct
25 Correct 2 ms 376 KB correct
26 Correct 4 ms 376 KB correct
27 Correct 4 ms 504 KB correct
28 Correct 3 ms 376 KB correct
29 Correct 3 ms 376 KB correct
30 Correct 4 ms 376 KB correct
31 Correct 4 ms 504 KB correct
32 Correct 4 ms 376 KB correct
33 Correct 4 ms 376 KB correct
34 Correct 234 ms 1820 KB correct
35 Correct 275 ms 2036 KB correct
36 Correct 159 ms 1388 KB correct
37 Correct 14 ms 376 KB correct
38 Correct 221 ms 1756 KB correct
39 Correct 212 ms 1656 KB correct
40 Correct 162 ms 1444 KB correct
41 Correct 98 ms 2040 KB correct
42 Correct 214 ms 1912 KB correct
43 Correct 149 ms 1272 KB correct
44 Correct 165 ms 1044 KB correct
45 Correct 146 ms 1136 KB correct
46 Correct 110 ms 932 KB correct
47 Correct 47 ms 632 KB correct
48 Correct 7 ms 376 KB correct
49 Correct 16 ms 376 KB correct
50 Correct 48 ms 632 KB correct
51 Correct 147 ms 1244 KB correct
52 Correct 123 ms 988 KB correct
53 Correct 113 ms 888 KB correct
54 Correct 156 ms 1144 KB correct
55 Correct 138 ms 1224 KB correct
56 Correct 134 ms 1144 KB correct
57 Correct 133 ms 1148 KB correct
58 Correct 2 ms 376 KB correct
59 Correct 2 ms 376 KB correct
60 Incorrect 171 ms 4164 KB WA in grader: NO
61 Halted 0 ms 0 KB -