#include "parks.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vii;
typedef pair<ll,ll> pii;
#define pb push_back
#define F first
#define S second
#define all(v) v.begin(),v.end()
const ll M=2e6+50;
vii adj[M];
bool vis[M];
void dfs(ll x){
if(vis[x])
return;
vis[x]=1;
for(auto it:adj[x]){
dfs(it);
}
}
int construct_roads(std::vector<int> x, std::vector<int> y) {
vector<pair<int,int>>f,m,b;
for(int i=0;i<x.size();i++){
if(x[i]==2){
f.pb({y[i],i});
}
else
b.pb({y[i],i});
}
sort(all(f)),sort(all(b));
vector<int>e1,e2,ax,ay;
for(int i=0;i<ll(f.size())-1;i++){
if(f[i+1].F-f[i].F==2){
e1.pb(f[i].S);
e2.pb(f[i+1].S);
ax.pb(1);
ay.pb(f[i].F+1);
}
}
for(int i=0;i<ll(b.size())-1;i++){
if(b[i+1].F-b[i].F==2){
e1.pb(b[i].S);
e2.pb(b[i+1].S);
ax.pb(5);
ay.pb(b[i].F+1);
}
}
ll i=0,j=0;
while(1){
if(i==f.size()||j==b.size())
break;
if(f[i].F==b[j].F){
e1.pb(f[i].S),e2.pb(b[j].S);
ax.pb(3),ay.pb(f[i].F-1);
i++,j++;
}
else if(f[i].F<b[j].F){
i++;
}
else if(b[j].F<f[i].F){
j++;
}
}
for(int i=0;i<e1.size();i++)
adj[e1[i]].pb(e2[i]),adj[e2[i]].pb(e1[i]);
dfs(0);
for(int i=0;i<x.size();i++){
if(!vis[i])
return 0;
}
build(e1,e2,ax,ay);
return 1;
}
Compilation message
parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:24:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
24 | for(int i=0;i<x.size();i++){
| ~^~~~~~~~~
parks.cpp:51:13: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
51 | if(i==f.size()||j==b.size())
| ~^~~~~~~~~~
parks.cpp:51:26: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
51 | if(i==f.size()||j==b.size())
| ~^~~~~~~~~~
parks.cpp:65:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
65 | for(int i=0;i<e1.size();i++)
| ~^~~~~~~~~~
parks.cpp:68:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
68 | for(int i=0;i<x.size();i++){
| ~^~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
21 ms |
47196 KB |
Output is correct |
2 |
Correct |
23 ms |
47192 KB |
Output is correct |
3 |
Correct |
22 ms |
47196 KB |
Output is correct |
4 |
Correct |
22 ms |
47196 KB |
Output is correct |
5 |
Correct |
23 ms |
47376 KB |
Output is correct |
6 |
Correct |
26 ms |
47196 KB |
Output is correct |
7 |
Correct |
25 ms |
47196 KB |
Output is correct |
8 |
Correct |
23 ms |
47212 KB |
Output is correct |
9 |
Correct |
75 ms |
60828 KB |
Output is correct |
10 |
Correct |
37 ms |
48792 KB |
Output is correct |
11 |
Correct |
50 ms |
54652 KB |
Output is correct |
12 |
Correct |
28 ms |
49380 KB |
Output is correct |
13 |
Correct |
32 ms |
51628 KB |
Output is correct |
14 |
Correct |
22 ms |
47452 KB |
Output is correct |
15 |
Correct |
22 ms |
47452 KB |
Output is correct |
16 |
Correct |
80 ms |
60072 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
21 ms |
47196 KB |
Output is correct |
2 |
Correct |
23 ms |
47192 KB |
Output is correct |
3 |
Correct |
22 ms |
47196 KB |
Output is correct |
4 |
Correct |
22 ms |
47196 KB |
Output is correct |
5 |
Correct |
23 ms |
47376 KB |
Output is correct |
6 |
Correct |
26 ms |
47196 KB |
Output is correct |
7 |
Correct |
25 ms |
47196 KB |
Output is correct |
8 |
Correct |
23 ms |
47212 KB |
Output is correct |
9 |
Correct |
75 ms |
60828 KB |
Output is correct |
10 |
Correct |
37 ms |
48792 KB |
Output is correct |
11 |
Correct |
50 ms |
54652 KB |
Output is correct |
12 |
Correct |
28 ms |
49380 KB |
Output is correct |
13 |
Correct |
32 ms |
51628 KB |
Output is correct |
14 |
Correct |
22 ms |
47452 KB |
Output is correct |
15 |
Correct |
22 ms |
47452 KB |
Output is correct |
16 |
Correct |
80 ms |
60072 KB |
Output is correct |
17 |
Correct |
22 ms |
47196 KB |
Output is correct |
18 |
Correct |
22 ms |
47192 KB |
Output is correct |
19 |
Correct |
22 ms |
47196 KB |
Output is correct |
20 |
Correct |
23 ms |
47420 KB |
Output is correct |
21 |
Correct |
24 ms |
47196 KB |
Output is correct |
22 |
Correct |
29 ms |
47300 KB |
Output is correct |
23 |
Correct |
173 ms |
81628 KB |
Output is correct |
24 |
Correct |
23 ms |
47196 KB |
Output is correct |
25 |
Correct |
24 ms |
47448 KB |
Output is correct |
26 |
Correct |
23 ms |
47836 KB |
Output is correct |
27 |
Correct |
24 ms |
47700 KB |
Output is correct |
28 |
Correct |
78 ms |
61168 KB |
Output is correct |
29 |
Correct |
108 ms |
68160 KB |
Output is correct |
30 |
Correct |
145 ms |
75068 KB |
Output is correct |
31 |
Correct |
168 ms |
81852 KB |
Output is correct |
32 |
Correct |
22 ms |
47192 KB |
Output is correct |
33 |
Correct |
22 ms |
47416 KB |
Output is correct |
34 |
Correct |
22 ms |
47192 KB |
Output is correct |
35 |
Correct |
23 ms |
47300 KB |
Output is correct |
36 |
Correct |
22 ms |
47196 KB |
Output is correct |
37 |
Correct |
25 ms |
47448 KB |
Output is correct |
38 |
Correct |
23 ms |
47192 KB |
Output is correct |
39 |
Correct |
22 ms |
47192 KB |
Output is correct |
40 |
Correct |
23 ms |
47196 KB |
Output is correct |
41 |
Correct |
24 ms |
47196 KB |
Output is correct |
42 |
Correct |
25 ms |
47372 KB |
Output is correct |
43 |
Correct |
24 ms |
47452 KB |
Output is correct |
44 |
Correct |
26 ms |
47456 KB |
Output is correct |
45 |
Correct |
80 ms |
60144 KB |
Output is correct |
46 |
Correct |
106 ms |
66520 KB |
Output is correct |
47 |
Correct |
106 ms |
66368 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
21 ms |
47196 KB |
Output is correct |
2 |
Correct |
23 ms |
47192 KB |
Output is correct |
3 |
Correct |
22 ms |
47196 KB |
Output is correct |
4 |
Correct |
22 ms |
47196 KB |
Output is correct |
5 |
Correct |
23 ms |
47376 KB |
Output is correct |
6 |
Correct |
26 ms |
47196 KB |
Output is correct |
7 |
Correct |
25 ms |
47196 KB |
Output is correct |
8 |
Correct |
23 ms |
47212 KB |
Output is correct |
9 |
Correct |
75 ms |
60828 KB |
Output is correct |
10 |
Correct |
37 ms |
48792 KB |
Output is correct |
11 |
Correct |
50 ms |
54652 KB |
Output is correct |
12 |
Correct |
28 ms |
49380 KB |
Output is correct |
13 |
Correct |
32 ms |
51628 KB |
Output is correct |
14 |
Correct |
22 ms |
47452 KB |
Output is correct |
15 |
Correct |
22 ms |
47452 KB |
Output is correct |
16 |
Correct |
80 ms |
60072 KB |
Output is correct |
17 |
Correct |
22 ms |
47196 KB |
Output is correct |
18 |
Correct |
22 ms |
47192 KB |
Output is correct |
19 |
Correct |
22 ms |
47196 KB |
Output is correct |
20 |
Correct |
23 ms |
47420 KB |
Output is correct |
21 |
Correct |
24 ms |
47196 KB |
Output is correct |
22 |
Correct |
29 ms |
47300 KB |
Output is correct |
23 |
Correct |
173 ms |
81628 KB |
Output is correct |
24 |
Correct |
23 ms |
47196 KB |
Output is correct |
25 |
Correct |
24 ms |
47448 KB |
Output is correct |
26 |
Correct |
23 ms |
47836 KB |
Output is correct |
27 |
Correct |
24 ms |
47700 KB |
Output is correct |
28 |
Correct |
78 ms |
61168 KB |
Output is correct |
29 |
Correct |
108 ms |
68160 KB |
Output is correct |
30 |
Correct |
145 ms |
75068 KB |
Output is correct |
31 |
Correct |
168 ms |
81852 KB |
Output is correct |
32 |
Correct |
22 ms |
47192 KB |
Output is correct |
33 |
Correct |
22 ms |
47416 KB |
Output is correct |
34 |
Correct |
22 ms |
47192 KB |
Output is correct |
35 |
Correct |
23 ms |
47300 KB |
Output is correct |
36 |
Correct |
22 ms |
47196 KB |
Output is correct |
37 |
Correct |
25 ms |
47448 KB |
Output is correct |
38 |
Correct |
23 ms |
47192 KB |
Output is correct |
39 |
Correct |
22 ms |
47192 KB |
Output is correct |
40 |
Correct |
23 ms |
47196 KB |
Output is correct |
41 |
Correct |
24 ms |
47196 KB |
Output is correct |
42 |
Correct |
25 ms |
47372 KB |
Output is correct |
43 |
Correct |
24 ms |
47452 KB |
Output is correct |
44 |
Correct |
26 ms |
47456 KB |
Output is correct |
45 |
Correct |
80 ms |
60144 KB |
Output is correct |
46 |
Correct |
106 ms |
66520 KB |
Output is correct |
47 |
Correct |
106 ms |
66368 KB |
Output is correct |
48 |
Incorrect |
27 ms |
47196 KB |
Solution announced impossible, but it is possible. |
49 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
21 ms |
47196 KB |
Output is correct |
2 |
Correct |
23 ms |
47192 KB |
Output is correct |
3 |
Correct |
22 ms |
47196 KB |
Output is correct |
4 |
Correct |
22 ms |
47196 KB |
Output is correct |
5 |
Correct |
23 ms |
47376 KB |
Output is correct |
6 |
Correct |
26 ms |
47196 KB |
Output is correct |
7 |
Correct |
25 ms |
47196 KB |
Output is correct |
8 |
Correct |
23 ms |
47212 KB |
Output is correct |
9 |
Correct |
75 ms |
60828 KB |
Output is correct |
10 |
Correct |
37 ms |
48792 KB |
Output is correct |
11 |
Correct |
50 ms |
54652 KB |
Output is correct |
12 |
Correct |
28 ms |
49380 KB |
Output is correct |
13 |
Correct |
32 ms |
51628 KB |
Output is correct |
14 |
Correct |
22 ms |
47452 KB |
Output is correct |
15 |
Correct |
22 ms |
47452 KB |
Output is correct |
16 |
Correct |
80 ms |
60072 KB |
Output is correct |
17 |
Incorrect |
22 ms |
47336 KB |
Solution announced impossible, but it is possible. |
18 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
21 ms |
47196 KB |
Output is correct |
2 |
Correct |
23 ms |
47192 KB |
Output is correct |
3 |
Correct |
22 ms |
47196 KB |
Output is correct |
4 |
Correct |
22 ms |
47196 KB |
Output is correct |
5 |
Correct |
23 ms |
47376 KB |
Output is correct |
6 |
Correct |
26 ms |
47196 KB |
Output is correct |
7 |
Correct |
25 ms |
47196 KB |
Output is correct |
8 |
Correct |
23 ms |
47212 KB |
Output is correct |
9 |
Correct |
75 ms |
60828 KB |
Output is correct |
10 |
Correct |
37 ms |
48792 KB |
Output is correct |
11 |
Correct |
50 ms |
54652 KB |
Output is correct |
12 |
Correct |
28 ms |
49380 KB |
Output is correct |
13 |
Correct |
32 ms |
51628 KB |
Output is correct |
14 |
Correct |
22 ms |
47452 KB |
Output is correct |
15 |
Correct |
22 ms |
47452 KB |
Output is correct |
16 |
Correct |
80 ms |
60072 KB |
Output is correct |
17 |
Incorrect |
95 ms |
63108 KB |
Solution announced impossible, but it is possible. |
18 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
21 ms |
47196 KB |
Output is correct |
2 |
Correct |
23 ms |
47192 KB |
Output is correct |
3 |
Correct |
22 ms |
47196 KB |
Output is correct |
4 |
Correct |
22 ms |
47196 KB |
Output is correct |
5 |
Correct |
23 ms |
47376 KB |
Output is correct |
6 |
Correct |
26 ms |
47196 KB |
Output is correct |
7 |
Correct |
25 ms |
47196 KB |
Output is correct |
8 |
Correct |
23 ms |
47212 KB |
Output is correct |
9 |
Correct |
75 ms |
60828 KB |
Output is correct |
10 |
Correct |
37 ms |
48792 KB |
Output is correct |
11 |
Correct |
50 ms |
54652 KB |
Output is correct |
12 |
Correct |
28 ms |
49380 KB |
Output is correct |
13 |
Correct |
32 ms |
51628 KB |
Output is correct |
14 |
Correct |
22 ms |
47452 KB |
Output is correct |
15 |
Correct |
22 ms |
47452 KB |
Output is correct |
16 |
Correct |
80 ms |
60072 KB |
Output is correct |
17 |
Correct |
22 ms |
47196 KB |
Output is correct |
18 |
Correct |
22 ms |
47192 KB |
Output is correct |
19 |
Correct |
22 ms |
47196 KB |
Output is correct |
20 |
Correct |
23 ms |
47420 KB |
Output is correct |
21 |
Correct |
24 ms |
47196 KB |
Output is correct |
22 |
Correct |
29 ms |
47300 KB |
Output is correct |
23 |
Correct |
173 ms |
81628 KB |
Output is correct |
24 |
Correct |
23 ms |
47196 KB |
Output is correct |
25 |
Correct |
24 ms |
47448 KB |
Output is correct |
26 |
Correct |
23 ms |
47836 KB |
Output is correct |
27 |
Correct |
24 ms |
47700 KB |
Output is correct |
28 |
Correct |
78 ms |
61168 KB |
Output is correct |
29 |
Correct |
108 ms |
68160 KB |
Output is correct |
30 |
Correct |
145 ms |
75068 KB |
Output is correct |
31 |
Correct |
168 ms |
81852 KB |
Output is correct |
32 |
Correct |
22 ms |
47192 KB |
Output is correct |
33 |
Correct |
22 ms |
47416 KB |
Output is correct |
34 |
Correct |
22 ms |
47192 KB |
Output is correct |
35 |
Correct |
23 ms |
47300 KB |
Output is correct |
36 |
Correct |
22 ms |
47196 KB |
Output is correct |
37 |
Correct |
25 ms |
47448 KB |
Output is correct |
38 |
Correct |
23 ms |
47192 KB |
Output is correct |
39 |
Correct |
22 ms |
47192 KB |
Output is correct |
40 |
Correct |
23 ms |
47196 KB |
Output is correct |
41 |
Correct |
24 ms |
47196 KB |
Output is correct |
42 |
Correct |
25 ms |
47372 KB |
Output is correct |
43 |
Correct |
24 ms |
47452 KB |
Output is correct |
44 |
Correct |
26 ms |
47456 KB |
Output is correct |
45 |
Correct |
80 ms |
60144 KB |
Output is correct |
46 |
Correct |
106 ms |
66520 KB |
Output is correct |
47 |
Correct |
106 ms |
66368 KB |
Output is correct |
48 |
Incorrect |
27 ms |
47196 KB |
Solution announced impossible, but it is possible. |
49 |
Halted |
0 ms |
0 KB |
- |