oj.uz

Submission #933928

# Submission time Handle Problem Language Result Execution time Memory
933928 2024-02-26T15:10:11 Z alexander707070 Airline Route Map (JOI18_airline) C++14
0 / 100
 591 ms 54500 KB 
#include<bits/stdc++.h>
#include "Alicelib.h"
#define MAXN 200007

using namespace std;

namespace{
	int n,m,num;
	vector< pair<int,int> > edges;
}

void Alice( int N, int M, int A[], int B[]){

	n=N; m=M;
	num=17;

	for(int i=0;i<n;i++){
		for(int f=10;f>=0;f--){
			if(((1<<f)&(i+num))>0)edges.push_back({i,n+f});
		}
	}

	for(int i=n;i<=n+10;i++){
		edges.push_back({i,n+11});
		if(i<n+10)edges.push_back({i,i+1});
	}

	for(int i=0;i<m;i++){
		edges.push_back({A[i],B[i]});
	}

	InitG( n+12, edges.size() );
	for(int i=0;i<edges.size();i++){
		MakeG(i,edges[i].first,edges[i].second);
	}
}


#include <bits/stdc++.h>
#include "Boblib.h"
#define MAXN 200007

using namespace std;

namespace{
	int v,u,e,cnt,root,curr;
	vector<int> g[MAXN],w,line[MAXN];
	int sp[MAXN],tim;
	vector<int> path;
	vector< pair<int,int> > ed;
	int used2[MAXN],tim2,pos[MAXN],to[MAXN];
	bool dali,yoy;

	void dfs(int x,int p){
		path.push_back(x);

		for(int i=0;i<line[x].size();i++){
			if(line[x][i]==p)continue;
			dfs(line[x][i],x);
		}
	}

	bool ok(int x){
		w.clear(); tim++; e=0;

		for(int i=0;i<g[x].size();i++){
			w.push_back(g[x][i]);
			sp[w.back()]=tim;

			line[w.back()].clear();
		}

		for(int i=0;i<w.size();i++){
			for(int f:g[w[i]]){
				if(sp[f]==tim and f>w[i]){
					e++;

					line[w[i]].push_back(f);
					line[f].push_back(w[i]);
				}
			}
		}

		if(e!=w.size()-1)return false;
		
		cnt=0;
		for(int i=0;i<w.size();i++){
			if(int(line[w[i]].size())!=1 and int(line[w[i]].size())!=2)return false;
			if(int(line[w[i]].size())==1){
				cnt++; root=w[i];
			}
		}

		if(cnt!=2)return false;
		path.clear(); dfs(root,0);

		for(int i=0;i<path.size();i++){
			pos[path[i]]=i;
		}

		tim2++; dali=true;
		for(int f=0;f<v;f++){
			if(f==x or sp[f]==tim)continue;

			curr=0;
			for(int k:g[f]){
				if(sp[k]!=tim)continue;
				curr+=(1<<pos[k]);
			}
			to[f]=curr;

			if(used2[curr]==tim2 or curr<17 or curr>=v-12+17){dali=false;break;}
			used2[curr]=tim2;
		}

		if(dali)return true;

		reverse(path.begin(),path.end());

		for(int i=0;i<path.size();i++){
			pos[path[i]]=i;
		}

		tim2++; dali=true;
		for(int f=0;f<v;f++){
			if(f==x or sp[f]==tim)continue;

			curr=0;
			for(int k:g[f]){
				if(sp[k]!=tim)continue;
				curr+=(1<<pos[k]);
			}
			to[f]=curr;

			if(used2[curr]==tim2 or curr<17 or curr>=v-12+17){dali=false;break;}
			used2[curr]=tim2;
		}

		if(dali)return true;

		yoy=true;

		return false;
	}
}

void Bob( int V, int U, int C[], int D[] ){

	v=V; u=U;
	for(int i=0;i<u;i++){
		g[C[i]].push_back(D[i]);
		g[D[i]].push_back(C[i]);
	}

	for(int i=0;i<v;i++){
		if(g[i].size()==11 and ok(i)){
			e=0; ed.clear();

			for(int f=0;f<u;f++){
				if(sp[C[f]]==tim or sp[D[f]]==tim)continue;
				ed.push_back({to[C[f]]-17,to[D[f]]-17});
				e++;
			}
			InitMap(V-12,e);

			for(int f=0;f<ed.size();f++){
				MakeMap(ed[f].first,ed[f].second);
			}

			return;
		}
	}

	if(yoy)cout<<1/0;
}

Compilation message

Alice.cpp: In function 'void Alice(int, int, int*, int*)':
Alice.cpp:33:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |  for(int i=0;i<edges.size();i++){
      |              ~^~~~~~~~~~~~~

Bob.cpp: In function 'void {anonymous}::dfs(int, int)':
Bob.cpp:19:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |   for(int i=0;i<line[x].size();i++){
      |               ~^~~~~~~~~~~~~~~
Bob.cpp: In function 'bool {anonymous}::ok(int)':
Bob.cpp:28:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |   for(int i=0;i<g[x].size();i++){
      |               ~^~~~~~~~~~~~
Bob.cpp:35:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |   for(int i=0;i<w.size();i++){
      |               ~^~~~~~~~~
Bob.cpp:46:7: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |   if(e!=w.size()-1)return false;
      |      ~^~~~~~~~~~~~
Bob.cpp:49:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |   for(int i=0;i<w.size();i++){
      |               ~^~~~~~~~~
Bob.cpp:59:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |   for(int i=0;i<path.size();i++){
      |               ~^~~~~~~~~~~~
Bob.cpp:82:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   82 |   for(int i=0;i<path.size();i++){
      |               ~^~~~~~~~~~~~
Bob.cpp: In function 'void Bob(int, int, int*, int*)':
Bob.cpp:128:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  128 |    for(int f=0;f<ed.size();f++){
      |                ~^~~~~~~~~~
Bob.cpp:136:16: warning: division by zero [-Wdiv-by-zero]
  136 |  if(yoy)cout<<1/0;
      |               ~^~

Subtask #1
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 29436 KB Output is correct
2 Correct 5 ms 29444 KB Output is correct
3 Correct 6 ms 29444 KB Output is correct
4 Correct 6 ms 27328 KB Output is correct
5 Correct 6 ms 29440 KB Output is correct
6 Correct 7 ms 29436 KB Output is correct
7 Correct 7 ms 29444 KB Output is correct
8 Correct 6 ms 29656 KB Output is correct
9 Correct 6 ms 29440 KB Output is correct
10 Correct 4 ms 27392 KB Output is correct
11 Correct 6 ms 29444 KB Output is correct
12 Correct 6 ms 29444 KB Output is correct
13 Correct 6 ms 29444 KB Output is correct
14 Correct 6 ms 29440 KB Output is correct
15 Correct 7 ms 29440 KB Output is correct
16 Correct 6 ms 29444 KB Output is correct
17 Correct 6 ms 29440 KB Output is correct
18 Correct 6 ms 29444 KB Output is correct
19 Correct 6 ms 29440 KB Output is correct
20 Correct 6 ms 29444 KB Output is correct
21 Correct 6 ms 29440 KB Output is correct
22 Correct 7 ms 29444 KB Output is correct
23 Correct 6 ms 29444 KB Output is correct
24 Correct 6 ms 27396 KB Output is correct
25 Correct 6 ms 29536 KB Output is correct
26 Correct 6 ms 29444 KB Output is correct
27 Correct 5 ms 29440 KB Output is correct
28 Correct 7 ms 29440 KB Output is correct
29 Correct 7 ms 29440 KB Output is correct
30 Correct 5 ms 27400 KB Output is correct
31 Correct 5 ms 27328 KB Output is correct
32 Correct 5 ms 27404 KB Output is correct
33 Correct 5 ms 27392 KB Output is correct
34 Correct 6 ms 27396 KB Output is correct
35 Correct 6 ms 27396 KB Output is correct
36 Correct 6 ms 29444 KB Output is correct
37 Correct 6 ms 29444 KB Output is correct
38 Correct 6 ms 29448 KB Output is correct
39 Correct 7 ms 29444 KB Output is correct
40 Correct 6 ms 29448 KB Output is correct
41 Correct 7 ms 29436 KB Output is correct
42 Correct 7 ms 29444 KB Output is correct
43 Correct 6 ms 29444 KB Output is correct
44 Correct 5 ms 27364 KB Output is correct
45 Correct 6 ms 27392 KB Output is correct
46 Correct 5 ms 29440 KB Output is correct
47 Correct 5 ms 29444 KB Output is correct
48 Correct 6 ms 29444 KB Output is correct
49 Correct 5 ms 29440 KB Output is correct
50 Runtime error 18 ms 46436 KB Execution killed with signal 4
51 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 29436 KB Output is correct
2 Correct 5 ms 29444 KB Output is correct
3 Correct 6 ms 29444 KB Output is correct
4 Correct 6 ms 27328 KB Output is correct
5 Correct 6 ms 29440 KB Output is correct
6 Correct 7 ms 29436 KB Output is correct
7 Correct 7 ms 29444 KB Output is correct
8 Correct 6 ms 29656 KB Output is correct
9 Correct 6 ms 29440 KB Output is correct
10 Correct 4 ms 27392 KB Output is correct
11 Correct 6 ms 29444 KB Output is correct
12 Correct 6 ms 29444 KB Output is correct
13 Correct 6 ms 29444 KB Output is correct
14 Correct 6 ms 29440 KB Output is correct
15 Correct 7 ms 29440 KB Output is correct
16 Correct 6 ms 29444 KB Output is correct
17 Correct 6 ms 29440 KB Output is correct
18 Correct 6 ms 29444 KB Output is correct
19 Correct 6 ms 29440 KB Output is correct
20 Correct 6 ms 29444 KB Output is correct
21 Correct 6 ms 29440 KB Output is correct
22 Correct 7 ms 29444 KB Output is correct
23 Correct 6 ms 29444 KB Output is correct
24 Correct 6 ms 27396 KB Output is correct
25 Correct 6 ms 29536 KB Output is correct
26 Correct 6 ms 29444 KB Output is correct
27 Correct 5 ms 29440 KB Output is correct
28 Correct 7 ms 29440 KB Output is correct
29 Correct 7 ms 29440 KB Output is correct
30 Correct 5 ms 27400 KB Output is correct
31 Correct 5 ms 27328 KB Output is correct
32 Correct 5 ms 27404 KB Output is correct
33 Correct 5 ms 27392 KB Output is correct
34 Correct 6 ms 27396 KB Output is correct
35 Correct 6 ms 27396 KB Output is correct
36 Correct 6 ms 29444 KB Output is correct
37 Correct 6 ms 29444 KB Output is correct
38 Correct 6 ms 29448 KB Output is correct
39 Correct 7 ms 29444 KB Output is correct
40 Correct 6 ms 29448 KB Output is correct
41 Correct 7 ms 29436 KB Output is correct
42 Correct 7 ms 29444 KB Output is correct
43 Correct 6 ms 29444 KB Output is correct
44 Correct 5 ms 27364 KB Output is correct
45 Correct 6 ms 27392 KB Output is correct
46 Correct 5 ms 29440 KB Output is correct
47 Correct 5 ms 29444 KB Output is correct
48 Correct 6 ms 29444 KB Output is correct
49 Correct 5 ms 29440 KB Output is correct
50 Runtime error 18 ms 46436 KB Execution killed with signal 4
51 Halted 0 ms 0 KB -

Subtask #3
0 / 63.0

# Verdict Execution time Memory Grader output
1 Correct 423 ms 53640 KB Output is correct : V - N = 12
2 Correct 327 ms 51864 KB Output is correct : V - N = 12
3 Correct 147 ms 35712 KB Output is correct : V - N = 12
4 Correct 10 ms 29916 KB Output is correct : V - N = 12
5 Correct 65 ms 32776 KB Output is correct : V - N = 12
6 Correct 307 ms 52312 KB Output is correct : V - N = 12
7 Correct 472 ms 53440 KB Output is correct : V - N = 12
8 Correct 359 ms 52860 KB Output is correct : V - N = 12
9 Correct 204 ms 36464 KB Output is correct : V - N = 12
10 Correct 31 ms 31308 KB Output is correct : V - N = 12
11 Correct 41 ms 31484 KB Output is correct : V - N = 12
12 Correct 221 ms 42600 KB Output is correct : V - N = 12
13 Correct 438 ms 53016 KB Output is correct : V - N = 12
14 Correct 493 ms 53684 KB Output is correct : V - N = 12
15 Correct 272 ms 47516 KB Output is correct : V - N = 12
16 Correct 69 ms 32820 KB Output is correct : V - N = 12
17 Correct 16 ms 30308 KB Output is correct : V - N = 12
18 Correct 194 ms 35616 KB Output is correct : V - N = 12
19 Correct 455 ms 52716 KB Output is correct : V - N = 12
20 Correct 447 ms 53380 KB Output is correct : V - N = 12
21 Correct 140 ms 34320 KB Output is correct : V - N = 12
22 Correct 97 ms 33124 KB Output is correct : V - N = 12
23 Correct 34 ms 31436 KB Output is correct : V - N = 12
24 Correct 7 ms 29440 KB Output is correct : V - N = 12
25 Correct 27 ms 31084 KB Output is correct : V - N = 12
26 Correct 97 ms 33264 KB Output is correct : V - N = 12
27 Correct 118 ms 33252 KB Output is correct : V - N = 12
28 Correct 96 ms 33320 KB Output is correct : V - N = 12
29 Correct 66 ms 31516 KB Output is correct : V - N = 12
30 Correct 9 ms 30200 KB Output is correct : V - N = 12
31 Correct 8 ms 27396 KB Output is correct : V - N = 12
32 Correct 9 ms 27396 KB Output is correct : V - N = 12
33 Correct 9 ms 27396 KB Output is correct : V - N = 12
34 Correct 8 ms 27396 KB Output is correct : V - N = 12
35 Correct 10 ms 27568 KB Output is correct : V - N = 12
36 Correct 422 ms 52724 KB Output is correct : V - N = 12
37 Correct 455 ms 53088 KB Output is correct : V - N = 12
38 Correct 433 ms 54500 KB Output is correct : V - N = 12
39 Correct 591 ms 54396 KB Output is correct : V - N = 12
40 Correct 405 ms 53356 KB Output is correct : V - N = 12
41 Correct 78 ms 33380 KB Output is correct : V - N = 12
42 Correct 55 ms 32904 KB Output is correct : V - N = 12
43 Correct 63 ms 32928 KB Output is correct : V - N = 12
44 Correct 9 ms 29728 KB Output is correct : V - N = 12
45 Correct 48 ms 31892 KB Output is correct : V - N = 12
46 Correct 184 ms 35684 KB Output is correct : V - N = 12
47 Correct 104 ms 33500 KB Output is correct : V - N = 12
48 Correct 186 ms 37108 KB Output is correct : V - N = 12
49 Correct 37 ms 31388 KB Output is correct : V - N = 12
50 Correct 15 ms 30796 KB Output is correct : V - N = 12
51 Correct 371 ms 51656 KB Output is correct : V - N = 12
52 Correct 10 ms 29696 KB Output is correct : V - N = 12
53 Correct 256 ms 53224 KB Output is correct : V - N = 12
54 Correct 395 ms 52656 KB Output is correct : V - N = 12
55 Correct 25 ms 31612 KB Output is correct : V - N = 12
56 Correct 208 ms 42088 KB Output is correct : V - N = 12
57 Correct 399 ms 54264 KB Output is correct : V - N = 12
58 Correct 58 ms 32712 KB Output is correct : V - N = 12
59 Correct 147 ms 35916 KB Output is correct : V - N = 12
60 Correct 408 ms 53228 KB Output is correct : V - N = 12
61 Correct 7 ms 29444 KB Output is correct : V - N = 12
62 Correct 7 ms 29440 KB Output is correct : V - N = 12
63 Correct 6 ms 29444 KB Output is correct : V - N = 12
64 Correct 6 ms 29444 KB Output is correct : V - N = 12
65 Correct 7 ms 29444 KB Output is correct : V - N = 12
66 Correct 6 ms 29456 KB Output is correct : V - N = 12
67 Correct 6 ms 29444 KB Output is correct : V - N = 12
68 Correct 6 ms 29440 KB Output is correct : V - N = 12
69 Correct 6 ms 29444 KB Output is correct : V - N = 12
70 Correct 6 ms 29444 KB Output is correct : V - N = 12
71 Correct 7 ms 29444 KB Output is correct : V - N = 12
72 Runtime error 19 ms 48304 KB Execution killed with signal 4
73 Halted 0 ms 0 KB -