oj.uz

Submission #321930

# Submission time Handle Problem Language Result Execution time Memory
321930 2020-11-13T14:02:35 Z demetre Stations (IOI20_stations) C++14
100 / 100
 1097 ms 1248 KB 
#include "stations.h"
#include<bits/stdc++.h>

using namespace std;

int fix[1005],timer;
vector<int> V[1005],labels;

void dfs(int u,int d){
	fix[u]=1;
	if(d%2==0) timer++,labels[u]=timer;
	for(int i=0;i<V[u].size();i++){
		if(!fix[V[u][i]]){
			dfs(V[u][i],d+1);
		}
	}
	if(d%2!=0){
		timer++;
		labels[u]=timer;
	}
}
 
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	labels.clear();
	labels.resize(n);
	for(int i=0;i<n;i++){
		V[i].clear();
		fix[i]=0;
	}
	for (int i = 0; i < u.size(); i++) {
		V[u[i]].push_back(v[i]);
		V[v[i]].push_back(u[i]);
	} 
	timer=0;
	for(int i=0;i<n;i++){
		if(fix[i]==0)
			dfs(i,0);
	}
	return labels;
}
 
int find_next_station(int s, int t, std::vector<int> c) {
	if(s<c[0]) {
	    if(t>s){	
			for(int i=0;i<c.size()-1;i++){
				if(t<=c[i]) return c[i];
			}
		}
		return c[c.size()-1];			
	}
	else {
		if(t<s){
			for(int i=c.size()-1;i>=1;i--)
			if(t>=c[i]) return c[i];
		}
		return c[0];
	}
}

Compilation message

stations.cpp: In function 'void dfs(int, int)':
stations.cpp:12:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |  for(int i=0;i<V[u].size();i++){
      |              ~^~~~~~~~~~~~
stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:30:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |  for (int i = 0; i < u.size(); i++) {
      |                  ~~^~~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:45:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |    for(int i=0;i<c.size()-1;i++){
      |                ~^~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 654 ms 1088 KB Output is correct
2 Correct 421 ms 992 KB Output is correct
3 Correct 959 ms 948 KB Output is correct
4 Correct 667 ms 948 KB Output is correct
5 Correct 666 ms 1120 KB Output is correct
6 Correct 485 ms 1092 KB Output is correct
7 Correct 453 ms 1112 KB Output is correct
8 Correct 3 ms 956 KB Output is correct
9 Correct 5 ms 864 KB Output is correct
10 Correct 2 ms 864 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 535 ms 1036 KB Output is correct
2 Correct 536 ms 1140 KB Output is correct
3 Correct 964 ms 1076 KB Output is correct
4 Correct 705 ms 1236 KB Output is correct
5 Correct 671 ms 864 KB Output is correct
6 Correct 493 ms 864 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 600 ms 932 KB Output is correct
2 Correct 428 ms 1136 KB Output is correct
3 Correct 841 ms 864 KB Output is correct
4 Correct 734 ms 948 KB Output is correct
5 Correct 733 ms 864 KB Output is correct
6 Correct 516 ms 1248 KB Output is correct
7 Correct 528 ms 992 KB Output is correct
8 Correct 3 ms 864 KB Output is correct
9 Correct 5 ms 864 KB Output is correct
10 Correct 2 ms 864 KB Output is correct
11 Correct 664 ms 760 KB Output is correct
12 Correct 566 ms 1040 KB Output is correct
13 Correct 566 ms 896 KB Output is correct
14 Correct 446 ms 968 KB Output is correct
15 Correct 77 ms 864 KB Output is correct
16 Correct 63 ms 912 KB Output is correct
17 Correct 125 ms 864 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 943 ms 864 KB Output is correct
2 Correct 669 ms 896 KB Output is correct
3 Correct 561 ms 864 KB Output is correct
4 Correct 3 ms 956 KB Output is correct
5 Correct 5 ms 736 KB Output is correct
6 Correct 2 ms 864 KB Output is correct
7 Correct 560 ms 948 KB Output is correct
8 Correct 1083 ms 736 KB Output is correct
9 Correct 666 ms 864 KB Output is correct
10 Correct 656 ms 948 KB Output is correct
11 Correct 7 ms 864 KB Output is correct
12 Correct 6 ms 864 KB Output is correct
13 Correct 6 ms 736 KB Output is correct
14 Correct 4 ms 736 KB Output is correct
15 Correct 2 ms 996 KB Output is correct
16 Correct 470 ms 864 KB Output is correct
17 Correct 453 ms 736 KB Output is correct
18 Correct 572 ms 864 KB Output is correct
19 Correct 553 ms 736 KB Output is correct
20 Correct 516 ms 736 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 516 ms 976 KB Output is correct
2 Correct 453 ms 1088 KB Output is correct
3 Correct 824 ms 736 KB Output is correct
4 Correct 646 ms 948 KB Output is correct
5 Correct 793 ms 1076 KB Output is correct
6 Correct 416 ms 1088 KB Output is correct
7 Correct 418 ms 868 KB Output is correct
8 Correct 3 ms 736 KB Output is correct
9 Correct 5 ms 948 KB Output is correct
10 Correct 2 ms 956 KB Output is correct
11 Correct 499 ms 840 KB Output is correct
12 Correct 579 ms 736 KB Output is correct
13 Correct 1097 ms 948 KB Output is correct
14 Correct 838 ms 748 KB Output is correct
15 Correct 635 ms 992 KB Output is correct
16 Correct 496 ms 904 KB Output is correct
17 Correct 591 ms 864 KB Output is correct
18 Correct 460 ms 1108 KB Output is correct
19 Correct 461 ms 992 KB Output is correct
20 Correct 452 ms 892 KB Output is correct
21 Correct 71 ms 948 KB Output is correct
22 Correct 73 ms 864 KB Output is correct
23 Correct 93 ms 864 KB Output is correct
24 Correct 6 ms 736 KB Output is correct
25 Correct 5 ms 948 KB Output is correct
26 Correct 5 ms 736 KB Output is correct
27 Correct 4 ms 736 KB Output is correct
28 Correct 2 ms 948 KB Output is correct
29 Correct 563 ms 992 KB Output is correct
30 Correct 623 ms 864 KB Output is correct
31 Correct 584 ms 992 KB Output is correct
32 Correct 488 ms 948 KB Output is correct
33 Correct 475 ms 736 KB Output is correct
34 Correct 300 ms 864 KB Output is correct
35 Correct 426 ms 1076 KB Output is correct
36 Correct 430 ms 1088 KB Output is correct
37 Correct 453 ms 992 KB Output is correct
38 Correct 450 ms 1124 KB Output is correct
39 Correct 440 ms 1120 KB Output is correct
40 Correct 402 ms 992 KB Output is correct
41 Correct 433 ms 1240 KB Output is correct
42 Correct 60 ms 736 KB Output is correct
43 Correct 96 ms 880 KB Output is correct
44 Correct 120 ms 864 KB Output is correct
45 Correct 150 ms 1120 KB Output is correct
46 Correct 316 ms 864 KB Output is correct
47 Correct 394 ms 736 KB Output is correct
48 Correct 64 ms 864 KB Output is correct
49 Correct 53 ms 1084 KB Output is correct