oj.uz

Submission #321963

# Submission time Handle Problem Language Result Execution time Memory
321963 2020-11-13T14:48:46 Z katearima Stations (IOI20_stations) C++14
100 / 100
 1230 ms 56068 KB 
#include "stations.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;
const int N=1005;
vector<vector<int>> a(N);
vector<int> ans(N);
int i,n,k,m,x,j,t;
void DFS(vector<vector<int>> a, int x,int y,int d){
	if(d%2==0) {ans[y]=t; t++;}
	for(int i=0; i<a[y].size(); i++){
		if(a[y][i]==x) continue;
		DFS(a,y,a[y][i],d+1);
	}
	if(d%2!=0) {ans[y]=t; t++;}
	
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
	vector<int> label(n);
	for(i=0; i<n; i++){
		a[i].clear();
		ans[i]=0;
	}
	for(i=0; i<n-1; i++){
		a[u[i]].push_back(v[i]);
		a[v[i]].push_back(u[i]);
	}
    t=0;
	DFS(a,-1,0,0);
	/*for(i=0; i<n; i++){
		cout<<ans[i]<<endl;
	}*/
	for(i=0; i<n; i++) label[i]=ans[i];
	//ans.clear(); a.clear();
	return label;
}

int find_next_station(int s, int t, vector<int> c) {
	bool parent=true;
	int ans;
	
	if(s<c[0]){
		c.insert(c.begin(),s);
		for(int i=1; i<c.size()-1; i++){
			if(t<=c[i] && t>=c[i-1]+1) return c[i];
		}
		return c[c.size()-1];
	}
	else{
		c.push_back(s);
		for(int i=1; i<c.size()-1; i++){
			if(t>=c[i] && t<=c[i+1]-1) return c[i];
		}
		return c[0];
	}
	//cout<<"ans"<<ans<<endl;
	//if(ans==s) 
	//return c[0];
}

Compilation message

stations.cpp: In function 'void DFS(std::vector<std::vector<int> >, int, int, int)':
stations.cpp:11:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |  for(int i=0; i<a[y].size(); i++){
      |               ~^~~~~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:44:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |   for(int i=1; i<c.size()-1; i++){
      |                ~^~~~~~~~~~~
stations.cpp:51:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |   for(int i=1; i<c.size()-1; i++){
      |                ~^~~~~~~~~~~
stations.cpp:39:7: warning: unused variable 'parent' [-Wunused-variable]
   39 |  bool parent=true;
      |       ^~~~~~
stations.cpp:40:6: warning: unused variable 'ans' [-Wunused-variable]
   40 |  int ans;
      |      ^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 999 ms 55944 KB Output is correct
2 Correct 1137 ms 55668 KB Output is correct
3 Correct 959 ms 864 KB Output is correct
4 Correct 632 ms 1108 KB Output is correct
5 Correct 674 ms 864 KB Output is correct
6 Correct 1061 ms 49908 KB Output is correct
7 Correct 549 ms 42124 KB Output is correct
8 Correct 3 ms 992 KB Output is correct
9 Correct 4 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 1051 ms 1380 KB Output is correct
2 Correct 655 ms 1632 KB Output is correct
3 Correct 988 ms 880 KB Output is correct
4 Correct 644 ms 864 KB Output is correct
5 Correct 620 ms 1116 KB Output is correct
6 Correct 645 ms 1628 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1050 ms 55980 KB Output is correct
2 Correct 1065 ms 54128 KB Output is correct
3 Correct 952 ms 880 KB Output is correct
4 Correct 670 ms 864 KB Output is correct
5 Correct 806 ms 992 KB Output is correct
6 Correct 1135 ms 53948 KB Output is correct
7 Correct 575 ms 42988 KB Output is correct
8 Correct 3 ms 1088 KB Output is correct
9 Correct 5 ms 992 KB Output is correct
10 Correct 2 ms 992 KB Output is correct
11 Correct 655 ms 1108 KB Output is correct
12 Correct 1072 ms 55008 KB Output is correct
13 Correct 1078 ms 50888 KB Output is correct
14 Correct 544 ms 3428 KB Output is correct
15 Correct 80 ms 1108 KB Output is correct
16 Correct 248 ms 1000 KB Output is correct
17 Correct 602 ms 1092 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 965 ms 992 KB Output is correct
2 Correct 764 ms 1108 KB Output is correct
3 Correct 738 ms 972 KB Output is correct
4 Correct 3 ms 1088 KB Output is correct
5 Correct 4 ms 1036 KB Output is correct
6 Correct 2 ms 1108 KB Output is correct
7 Correct 638 ms 1104 KB Output is correct
8 Correct 1013 ms 992 KB Output is correct
9 Correct 778 ms 1120 KB Output is correct
10 Correct 661 ms 1108 KB Output is correct
11 Correct 6 ms 1132 KB Output is correct
12 Correct 6 ms 1044 KB Output is correct
13 Correct 5 ms 992 KB Output is correct
14 Correct 4 ms 1132 KB Output is correct
15 Correct 2 ms 992 KB Output is correct
16 Correct 664 ms 992 KB Output is correct
17 Correct 540 ms 992 KB Output is correct
18 Correct 572 ms 1012 KB Output is correct
19 Correct 602 ms 1012 KB Output is correct
20 Correct 527 ms 992 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 962 ms 55904 KB Output is correct
2 Correct 1096 ms 49556 KB Output is correct
3 Correct 1000 ms 1008 KB Output is correct
4 Correct 811 ms 1108 KB Output is correct
5 Correct 643 ms 864 KB Output is correct
6 Correct 1056 ms 56068 KB Output is correct
7 Correct 668 ms 31584 KB Output is correct
8 Correct 3 ms 992 KB Output is correct
9 Correct 4 ms 1040 KB Output is correct
10 Correct 2 ms 992 KB Output is correct
11 Correct 967 ms 1600 KB Output is correct
12 Correct 644 ms 1448 KB Output is correct
13 Correct 966 ms 864 KB Output is correct
14 Correct 776 ms 864 KB Output is correct
15 Correct 615 ms 1116 KB Output is correct
16 Correct 583 ms 1636 KB Output is correct
17 Correct 662 ms 1088 KB Output is correct
18 Correct 1088 ms 37856 KB Output is correct
19 Correct 1093 ms 52320 KB Output is correct
20 Correct 531 ms 4824 KB Output is correct
21 Correct 60 ms 1232 KB Output is correct
22 Correct 232 ms 864 KB Output is correct
23 Correct 650 ms 1248 KB Output is correct
24 Correct 6 ms 992 KB Output is correct
25 Correct 6 ms 864 KB Output is correct
26 Correct 5 ms 864 KB Output is correct
27 Correct 4 ms 864 KB Output is correct
28 Correct 2 ms 864 KB Output is correct
29 Correct 571 ms 992 KB Output is correct
30 Correct 577 ms 1016 KB Output is correct
31 Correct 551 ms 1048 KB Output is correct
32 Correct 507 ms 992 KB Output is correct
33 Correct 630 ms 992 KB Output is correct
34 Correct 967 ms 42804 KB Output is correct
35 Correct 1042 ms 56032 KB Output is correct
36 Correct 1089 ms 46744 KB Output is correct
37 Correct 1181 ms 14256 KB Output is correct
38 Correct 1230 ms 14176 KB Output is correct
39 Correct 1222 ms 18444 KB Output is correct
40 Correct 1128 ms 18352 KB Output is correct
41 Correct 1097 ms 15064 KB Output is correct
42 Correct 376 ms 1120 KB Output is correct
43 Correct 623 ms 1248 KB Output is correct
44 Correct 611 ms 1592 KB Output is correct
45 Correct 721 ms 2112 KB Output is correct
46 Correct 703 ms 16924 KB Output is correct
47 Correct 1054 ms 27220 KB Output is correct
48 Correct 541 ms 1632 KB Output is correct
49 Correct 637 ms 1644 KB Output is correct