oj.uz

Submission #321964

# Submission time Handle Problem Language Result Execution time Memory
321964 2020-11-13T14:52:49 Z katearima Stations (IOI20_stations) C++14
100 / 100
 1185 ms 56216 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++) label[i]=ans[i];
	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];
	}
}

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:40:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |   for(int i=1; i<c.size()-1; i++){
      |                ~^~~~~~~~~~~
stations.cpp:47:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |   for(int i=1; i<c.size()-1; i++){
      |                ~^~~~~~~~~~~
stations.cpp:35:7: warning: unused variable 'parent' [-Wunused-variable]
   35 |  bool parent=true;
      |       ^~~~~~
stations.cpp:36:6: warning: unused variable 'ans' [-Wunused-variable]
   36 |  int ans;
      |      ^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 864 ms 55904 KB Output is correct
2 Correct 1125 ms 55520 KB Output is correct
3 Correct 894 ms 864 KB Output is correct
4 Correct 653 ms 992 KB Output is correct
5 Correct 612 ms 1088 KB Output is correct
6 Correct 1039 ms 50012 KB Output is correct
7 Correct 613 ms 42208 KB Output is correct
8 Correct 3 ms 864 KB Output is correct
9 Correct 5 ms 1040 KB Output is correct
10 Correct 2 ms 992 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1005 ms 1624 KB Output is correct
2 Correct 718 ms 1412 KB Output is correct
3 Correct 879 ms 1024 KB Output is correct
4 Correct 698 ms 1120 KB Output is correct
5 Correct 695 ms 1108 KB Output is correct
6 Correct 500 ms 1376 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 986 ms 55904 KB Output is correct
2 Correct 1109 ms 53992 KB Output is correct
3 Correct 1019 ms 864 KB Output is correct
4 Correct 739 ms 1108 KB Output is correct
5 Correct 631 ms 864 KB Output is correct
6 Correct 1185 ms 54132 KB Output is correct
7 Correct 606 ms 43196 KB Output is correct
8 Correct 3 ms 864 KB Output is correct
9 Correct 5 ms 992 KB Output is correct
10 Correct 2 ms 992 KB Output is correct
11 Correct 642 ms 1120 KB Output is correct
12 Correct 1043 ms 54944 KB Output is correct
13 Correct 1115 ms 50976 KB Output is correct
14 Correct 564 ms 3436 KB Output is correct
15 Correct 74 ms 864 KB Output is correct
16 Correct 220 ms 1040 KB Output is correct
17 Correct 640 ms 1280 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1124 ms 864 KB Output is correct
2 Correct 749 ms 1108 KB Output is correct
3 Correct 688 ms 1004 KB Output is correct
4 Correct 3 ms 1140 KB Output is correct
5 Correct 5 ms 992 KB Output is correct
6 Correct 2 ms 864 KB Output is correct
7 Correct 632 ms 1104 KB Output is correct
8 Correct 977 ms 1108 KB Output is correct
9 Correct 874 ms 880 KB Output is correct
10 Correct 649 ms 1016 KB Output is correct
11 Correct 5 ms 1080 KB Output is correct
12 Correct 6 ms 864 KB Output is correct
13 Correct 6 ms 864 KB Output is correct
14 Correct 4 ms 1080 KB Output is correct
15 Correct 2 ms 864 KB Output is correct
16 Correct 529 ms 1000 KB Output is correct
17 Correct 593 ms 1120 KB Output is correct
18 Correct 551 ms 864 KB Output is correct
19 Correct 628 ms 1152 KB Output is correct
20 Correct 534 ms 864 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 959 ms 56216 KB Output is correct
2 Correct 1093 ms 49436 KB Output is correct
3 Correct 945 ms 880 KB Output is correct
4 Correct 765 ms 1108 KB Output is correct
5 Correct 690 ms 992 KB Output is correct
6 Correct 1025 ms 55904 KB Output is correct
7 Correct 540 ms 31796 KB Output is correct
8 Correct 3 ms 1096 KB Output is correct
9 Correct 5 ms 1048 KB Output is correct
10 Correct 2 ms 1108 KB Output is correct
11 Correct 1051 ms 1380 KB Output is correct
12 Correct 628 ms 1508 KB Output is correct
13 Correct 954 ms 1016 KB Output is correct
14 Correct 741 ms 880 KB Output is correct
15 Correct 648 ms 992 KB Output is correct
16 Correct 514 ms 1628 KB Output is correct
17 Correct 748 ms 992 KB Output is correct
18 Correct 1057 ms 37916 KB Output is correct
19 Correct 1081 ms 52184 KB Output is correct
20 Correct 511 ms 4868 KB Output is correct
21 Correct 71 ms 1120 KB Output is correct
22 Correct 224 ms 1128 KB Output is correct
23 Correct 611 ms 1368 KB Output is correct
24 Correct 6 ms 992 KB Output is correct
25 Correct 5 ms 992 KB Output is correct
26 Correct 5 ms 992 KB Output is correct
27 Correct 3 ms 1088 KB Output is correct
28 Correct 2 ms 1116 KB Output is correct
29 Correct 591 ms 864 KB Output is correct
30 Correct 501 ms 1144 KB Output is correct
31 Correct 546 ms 992 KB Output is correct
32 Correct 464 ms 992 KB Output is correct
33 Correct 493 ms 992 KB Output is correct
34 Correct 881 ms 42896 KB Output is correct
35 Correct 1104 ms 56072 KB Output is correct
36 Correct 1157 ms 46568 KB Output is correct
37 Correct 1082 ms 14140 KB Output is correct
38 Correct 1183 ms 14236 KB Output is correct
39 Correct 1115 ms 18564 KB Output is correct
40 Correct 1071 ms 18488 KB Output is correct
41 Correct 1076 ms 15080 KB Output is correct
42 Correct 360 ms 992 KB Output is correct
43 Correct 644 ms 1120 KB Output is correct
44 Correct 604 ms 1600 KB Output is correct
45 Correct 786 ms 1888 KB Output is correct
46 Correct 736 ms 16804 KB Output is correct
47 Correct 967 ms 27300 KB Output is correct
48 Correct 524 ms 1504 KB Output is correct
49 Correct 622 ms 1956 KB Output is correct