Submission #210467

# Submission time Handle Problem Language Result Execution time Memory
210467 2020-03-17T12:35:42 Z mhy908 Meetings (JOI19_meetings) C++14
29 / 100
2000 ms 976 KB
#include "meetings.h"
#include <bits/stdc++.h>
#define pb push_back
#define all(x) x.begin(), x.end()
using namespace std;
int st, fin;
bool comp(int a, int b){
    if(a==st||b==fin)return 1;
    if(a==fin||b==st)return 0;
    return Query(st, a, b)==a;
}
unordered_map<int, vector<int> > ump;
void solve(vector<int> vc){
	if(vc.size()<=1)return;
	st=rand()%vc.size();
	fin=(st+rand()%(vc.size()-1)+1)%vc.size();
	st=vc[st], fin=vc[fin];
	ump[st].pb(st);
	ump[fin].pb(fin);
	vector<int> path;
	path.pb(st);
	for(int i=0; i<vc.size(); i++){
        if(vc[i]==st||vc[i]==fin)continue;
		int x=Query(st, fin, vc[i]);
		if(ump[x].empty())path.pb(x);
		ump[x].pb(vc[i]);
	}
	path.pb(fin);
	sort(all(path), comp);
	for(int i=0; i<path.size()-1; i++){
        Bridge(min(path[i], path[i+1]), max(path[i], path[i+1]));
	}
	for(int i=0; i<path.size(); i++){
		vector<int> temp=ump[path[i]];
		ump[path[i]].clear();
		solve(temp);
	}
}
void Solve(int n){
    srand(time(NULL));
	vector<int> temp;
	for(int i=0; i<n; i++)temp.pb(i);
	solve(temp);
}

Compilation message

meetings.cpp: In function 'void solve(std::vector<int>)':
meetings.cpp:22:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<vc.size(); i++){
               ~^~~~~~~~~~
meetings.cpp:30:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<path.size()-1; i++){
               ~^~~~~~~~~~~~~~
meetings.cpp:33:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<path.size(); i++){
               ~^~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 4 ms 248 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 252 KB Output is correct
6 Correct 5 ms 248 KB Output is correct
7 Correct 5 ms 248 KB Output is correct
8 Correct 4 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 4 ms 380 KB Output is correct
11 Correct 5 ms 280 KB Output is correct
12 Correct 5 ms 248 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 248 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 252 KB Output is correct
6 Correct 5 ms 248 KB Output is correct
7 Correct 5 ms 248 KB Output is correct
8 Correct 4 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 4 ms 380 KB Output is correct
11 Correct 5 ms 280 KB Output is correct
12 Correct 5 ms 248 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 380 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 380 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 6 ms 296 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 248 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 252 KB Output is correct
6 Correct 5 ms 248 KB Output is correct
7 Correct 5 ms 248 KB Output is correct
8 Correct 4 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 4 ms 380 KB Output is correct
11 Correct 5 ms 280 KB Output is correct
12 Correct 5 ms 248 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 380 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 380 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 6 ms 296 KB Output is correct
27 Correct 10 ms 504 KB Output is correct
28 Correct 9 ms 504 KB Output is correct
29 Correct 10 ms 504 KB Output is correct
30 Correct 9 ms 504 KB Output is correct
31 Correct 10 ms 376 KB Output is correct
32 Correct 11 ms 504 KB Output is correct
33 Correct 13 ms 504 KB Output is correct
34 Correct 15 ms 376 KB Output is correct
35 Correct 14 ms 376 KB Output is correct
36 Correct 9 ms 380 KB Output is correct
37 Correct 16 ms 376 KB Output is correct
38 Correct 13 ms 376 KB Output is correct
39 Correct 23 ms 504 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 429 ms 760 KB Output is correct
2 Correct 434 ms 760 KB Output is correct
3 Correct 584 ms 760 KB Output is correct
4 Correct 469 ms 760 KB Output is correct
5 Correct 372 ms 760 KB Output is correct
6 Correct 327 ms 760 KB Output is correct
7 Correct 393 ms 760 KB Output is correct
8 Correct 537 ms 888 KB Output is correct
9 Correct 452 ms 888 KB Output is correct
10 Correct 453 ms 888 KB Output is correct
11 Correct 480 ms 760 KB Output is correct
12 Correct 339 ms 888 KB Output is correct
13 Correct 312 ms 888 KB Output is correct
14 Correct 305 ms 888 KB Output is correct
15 Correct 287 ms 760 KB Output is correct
16 Correct 442 ms 760 KB Output is correct
17 Correct 447 ms 760 KB Output is correct
18 Correct 343 ms 760 KB Output is correct
19 Correct 342 ms 888 KB Output is correct
20 Correct 464 ms 760 KB Output is correct
21 Correct 433 ms 760 KB Output is correct
22 Correct 461 ms 888 KB Output is correct
23 Correct 406 ms 760 KB Output is correct
24 Correct 460 ms 888 KB Output is correct
25 Correct 396 ms 976 KB Output is correct
26 Correct 365 ms 760 KB Output is correct
27 Correct 478 ms 760 KB Output is correct
28 Correct 515 ms 784 KB Output is correct
29 Correct 440 ms 860 KB Output is correct
30 Correct 428 ms 760 KB Output is correct
31 Correct 431 ms 760 KB Output is correct
32 Correct 903 ms 888 KB Output is correct
33 Execution timed out 2145 ms 952 KB Time limit exceeded