oj.uz

Submission #114764

# Submission time Handle Problem Language Result Execution time Memory
114764 2019-06-02T15:17:51 Z faustaadp Simurgh (IOI17_simurgh) C++17
51 / 100
 141 ms 3588 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 256 KB correct
2 Correct 2 ms 384 KB correct
3 Correct 2 ms 384 KB correct
4 Correct 2 ms 384 KB correct
5 Correct 2 ms 384 KB correct
6 Correct 2 ms 384 KB correct
7 Correct 2 ms 384 KB correct
8 Correct 2 ms 384 KB correct
9 Correct 2 ms 384 KB correct
10 Correct 2 ms 384 KB correct
11 Correct 2 ms 384 KB correct
12 Correct 2 ms 384 KB correct
13 Correct 2 ms 384 KB correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB correct
2 Correct 2 ms 384 KB correct
3 Correct 2 ms 384 KB correct
4 Correct 2 ms 384 KB correct
5 Correct 2 ms 384 KB correct
6 Correct 2 ms 384 KB correct
7 Correct 2 ms 384 KB correct
8 Correct 2 ms 384 KB correct
9 Correct 2 ms 384 KB correct
10 Correct 2 ms 384 KB correct
11 Correct 2 ms 384 KB correct
12 Correct 2 ms 384 KB correct
13 Correct 2 ms 384 KB correct
14 Correct 3 ms 384 KB correct
15 Correct 3 ms 384 KB correct
16 Correct 3 ms 384 KB correct
17 Correct 3 ms 384 KB correct
18 Correct 3 ms 384 KB correct
19 Correct 3 ms 384 KB correct
20 Correct 3 ms 384 KB correct
21 Correct 4 ms 384 KB correct
22 Correct 4 ms 384 KB correct
23 Correct 3 ms 384 KB correct
24 Correct 3 ms 384 KB correct
25 Correct 3 ms 384 KB correct
26 Correct 3 ms 384 KB correct
27 Correct 3 ms 384 KB correct
28 Correct 3 ms 384 KB correct
29 Correct 2 ms 384 KB correct
30 Correct 3 ms 384 KB correct
31 Correct 3 ms 384 KB correct
32 Correct 3 ms 384 KB correct
33 Correct 3 ms 384 KB correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB correct
2 Correct 2 ms 384 KB correct
3 Correct 2 ms 384 KB correct
4 Correct 2 ms 384 KB correct
5 Correct 2 ms 384 KB correct
6 Correct 2 ms 384 KB correct
7 Correct 2 ms 384 KB correct
8 Correct 2 ms 384 KB correct
9 Correct 2 ms 384 KB correct
10 Correct 2 ms 384 KB correct
11 Correct 2 ms 384 KB correct
12 Correct 2 ms 384 KB correct
13 Correct 2 ms 384 KB correct
14 Correct 3 ms 384 KB correct
15 Correct 3 ms 384 KB correct
16 Correct 3 ms 384 KB correct
17 Correct 3 ms 384 KB correct
18 Correct 3 ms 384 KB correct
19 Correct 3 ms 384 KB correct
20 Correct 3 ms 384 KB correct
21 Correct 4 ms 384 KB correct
22 Correct 4 ms 384 KB correct
23 Correct 3 ms 384 KB correct
24 Correct 3 ms 384 KB correct
25 Correct 3 ms 384 KB correct
26 Correct 3 ms 384 KB correct
27 Correct 3 ms 384 KB correct
28 Correct 3 ms 384 KB correct
29 Correct 2 ms 384 KB correct
30 Correct 3 ms 384 KB correct
31 Correct 3 ms 384 KB correct
32 Correct 3 ms 384 KB correct
33 Correct 3 ms 384 KB correct
34 Correct 139 ms 1696 KB correct
35 Correct 141 ms 2144 KB correct
36 Correct 96 ms 1384 KB correct
37 Correct 11 ms 380 KB correct
38 Correct 133 ms 1884 KB correct
39 Correct 135 ms 1784 KB correct
40 Correct 95 ms 1408 KB correct
41 Correct 69 ms 2072 KB correct
42 Correct 123 ms 2012 KB correct
43 Correct 93 ms 1280 KB correct
44 Correct 74 ms 1024 KB correct
45 Correct 88 ms 1152 KB correct
46 Correct 65 ms 896 KB correct
47 Correct 31 ms 760 KB correct
48 Correct 6 ms 384 KB correct
49 Correct 11 ms 384 KB correct
50 Correct 30 ms 640 KB correct
51 Correct 88 ms 1152 KB correct
52 Correct 78 ms 1024 KB correct
53 Correct 67 ms 896 KB correct
54 Correct 92 ms 1152 KB correct
55 Correct 91 ms 1272 KB correct
56 Correct 86 ms 1196 KB correct
57 Correct 85 ms 1244 KB correct

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB correct
2 Correct 2 ms 384 KB correct
3 Incorrect 98 ms 3588 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 256 KB correct
2 Correct 2 ms 384 KB correct
3 Correct 2 ms 384 KB correct
4 Correct 2 ms 384 KB correct
5 Correct 2 ms 384 KB correct
6 Correct 2 ms 384 KB correct
7 Correct 2 ms 384 KB correct
8 Correct 2 ms 384 KB correct
9 Correct 2 ms 384 KB correct
10 Correct 2 ms 384 KB correct
11 Correct 2 ms 384 KB correct
12 Correct 2 ms 384 KB correct
13 Correct 2 ms 384 KB correct
14 Correct 3 ms 384 KB correct
15 Correct 3 ms 384 KB correct
16 Correct 3 ms 384 KB correct
17 Correct 3 ms 384 KB correct
18 Correct 3 ms 384 KB correct
19 Correct 3 ms 384 KB correct
20 Correct 3 ms 384 KB correct
21 Correct 4 ms 384 KB correct
22 Correct 4 ms 384 KB correct
23 Correct 3 ms 384 KB correct
24 Correct 3 ms 384 KB correct
25 Correct 3 ms 384 KB correct
26 Correct 3 ms 384 KB correct
27 Correct 3 ms 384 KB correct
28 Correct 3 ms 384 KB correct
29 Correct 2 ms 384 KB correct
30 Correct 3 ms 384 KB correct
31 Correct 3 ms 384 KB correct
32 Correct 3 ms 384 KB correct
33 Correct 3 ms 384 KB correct
34 Correct 139 ms 1696 KB correct
35 Correct 141 ms 2144 KB correct
36 Correct 96 ms 1384 KB correct
37 Correct 11 ms 380 KB correct
38 Correct 133 ms 1884 KB correct
39 Correct 135 ms 1784 KB correct
40 Correct 95 ms 1408 KB correct
41 Correct 69 ms 2072 KB correct
42 Correct 123 ms 2012 KB correct
43 Correct 93 ms 1280 KB correct
44 Correct 74 ms 1024 KB correct
45 Correct 88 ms 1152 KB correct
46 Correct 65 ms 896 KB correct
47 Correct 31 ms 760 KB correct
48 Correct 6 ms 384 KB correct
49 Correct 11 ms 384 KB correct
50 Correct 30 ms 640 KB correct
51 Correct 88 ms 1152 KB correct
52 Correct 78 ms 1024 KB correct
53 Correct 67 ms 896 KB correct
54 Correct 92 ms 1152 KB correct
55 Correct 91 ms 1272 KB correct
56 Correct 86 ms 1196 KB correct
57 Correct 85 ms 1244 KB correct
58 Correct 2 ms 384 KB correct
59 Correct 2 ms 384 KB correct
60 Incorrect 98 ms 3588 KB WA in grader: NO
61 Halted 0 ms 0 KB -