Submission #529603

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
529603	2022-02-23T08:55:31 Z	pokmui9909	Stations (IOI20_stations)	C++17	52.3205 / 100	1019 ms	840 KB

stations

#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

ll in[1005], out[1005];
vector<ll> T[1005];
ll num = -1;
void dfs(ll u, ll p){
	in[u] = ++num;
	for(auto v : T[u]){
		if(v == p) continue;
		dfs(v, u);
	}
	out[u] = num;
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
    num = -1;
    for(int i = 0; i < n; i++) T[i].clear();

	for(int i = 0; i < n - 1; i++){
		T[u[i]].push_back(v[i]);
		T[v[i]].push_back(u[i]);
	}
	dfs(0, -1);
	vector<int> L(n);
	for(int i = 0; i < n; i++){
		L[i] = in[i] * 1000 + out[i];
	}
	return L;
}
bool is_par(ll u, ll v){
    return (u / 1000 <= v / 1000 && v % 1000 <= u % 1000);
}
int find_next_station(int s, int t, std::vector<int> c) {
    if(is_par(s, t)){
        for(auto i : c){
            if(is_par(s, i) && is_par(i, t)){
                return i;
            }
        }
    } else if(is_par(t, s)){
        for(auto i : c){
            if(is_par(t, i) && is_par(i, s)){
                return i;
            }
        }
    } else {
        for(auto i : c){
            if(is_par(i, s)){
                return i;
            }
        }
    }
}

Compilation message

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:55:1: warning: control reaches end of non-void function [-Wreturn-type]
   55 | }
      | ^

Subtask #1

0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	2 ms	424 KB	Invalid labels (values out of range). scenario=0, k=1000, vertex=1, label=6009
2	Halted	0 ms	0 KB	-

Subtask #2

0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	4 ms	400 KB	Invalid labels (values out of range). scenario=0, k=1000, vertex=1, label=1511
2	Halted	0 ms	0 KB	-

Subtask #3

16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	550 ms	532 KB	Output is correct
2	Correct	499 ms	620 KB	Output is correct
3	Correct	1019 ms	504 KB	Output is correct
4	Correct	573 ms	512 KB	Output is correct
5	Correct	447 ms	500 KB	Output is correct
6	Correct	510 ms	488 KB	Output is correct
7	Correct	429 ms	512 KB	Output is correct
8	Correct	3 ms	576 KB	Output is correct
9	Correct	5 ms	468 KB	Output is correct
10	Correct	2 ms	588 KB	Output is correct
11	Correct	568 ms	508 KB	Output is correct
12	Correct	489 ms	612 KB	Output is correct
13	Correct	442 ms	724 KB	Output is correct
14	Correct	480 ms	508 KB	Output is correct
15	Correct	58 ms	528 KB	Output is correct
16	Correct	90 ms	656 KB	Output is correct
17	Correct	86 ms	632 KB	Output is correct

Subtask #4

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	998 ms	488 KB	Output is correct
2	Correct	754 ms	500 KB	Output is correct
3	Correct	570 ms	496 KB	Output is correct
4	Correct	3 ms	596 KB	Output is correct
5	Correct	5 ms	468 KB	Output is correct
6	Correct	2 ms	560 KB	Output is correct
7	Correct	603 ms	400 KB	Output is correct
8	Correct	1000 ms	528 KB	Output is correct
9	Correct	621 ms	508 KB	Output is correct
10	Correct	516 ms	492 KB	Output is correct
11	Correct	5 ms	468 KB	Output is correct
12	Correct	6 ms	468 KB	Output is correct
13	Correct	5 ms	468 KB	Output is correct
14	Correct	6 ms	468 KB	Output is correct
15	Correct	2 ms	560 KB	Output is correct
16	Correct	635 ms	400 KB	Output is correct
17	Correct	614 ms	516 KB	Output is correct
18	Correct	469 ms	400 KB	Output is correct
19	Correct	602 ms	508 KB	Output is correct
20	Correct	394 ms	400 KB	Output is correct

Subtask #5

26.3205 / 61.0

#	Verdict	Execution time	Memory	Grader output
1	Partially correct	603 ms	512 KB	Partially correct
2	Partially correct	514 ms	608 KB	Partially correct
3	Partially correct	909 ms	500 KB	Partially correct
4	Partially correct	730 ms	508 KB	Partially correct
5	Partially correct	671 ms	400 KB	Partially correct
6	Partially correct	376 ms	504 KB	Partially correct
7	Partially correct	433 ms	524 KB	Partially correct
8	Partially correct	2 ms	560 KB	Partially correct
9	Partially correct	3 ms	476 KB	Partially correct
10	Partially correct	2 ms	472 KB	Partially correct
11	Partially correct	509 ms	500 KB	Partially correct
12	Partially correct	552 ms	508 KB	Partially correct
13	Partially correct	885 ms	400 KB	Partially correct
14	Partially correct	662 ms	516 KB	Partially correct
15	Partially correct	696 ms	508 KB	Partially correct
16	Partially correct	450 ms	488 KB	Partially correct
17	Partially correct	614 ms	400 KB	Partially correct
18	Partially correct	363 ms	612 KB	Partially correct
19	Partially correct	465 ms	620 KB	Partially correct
20	Partially correct	437 ms	512 KB	Partially correct
21	Partially correct	62 ms	552 KB	Partially correct
22	Partially correct	48 ms	788 KB	Partially correct
23	Partially correct	105 ms	656 KB	Partially correct
24	Partially correct	6 ms	468 KB	Partially correct
25	Partially correct	5 ms	448 KB	Partially correct
26	Partially correct	4 ms	476 KB	Partially correct
27	Partially correct	3 ms	584 KB	Partially correct
28	Partially correct	1 ms	476 KB	Partially correct
29	Partially correct	416 ms	508 KB	Partially correct
30	Partially correct	406 ms	528 KB	Partially correct
31	Partially correct	421 ms	400 KB	Partially correct
32	Partially correct	542 ms	496 KB	Partially correct
33	Partially correct	432 ms	500 KB	Partially correct
34	Partially correct	282 ms	504 KB	Partially correct
35	Partially correct	363 ms	636 KB	Partially correct
36	Partially correct	476 ms	632 KB	Partially correct
37	Partially correct	450 ms	752 KB	Partially correct
38	Partially correct	440 ms	740 KB	Partially correct
39	Partially correct	456 ms	640 KB	Partially correct
40	Partially correct	445 ms	632 KB	Partially correct
41	Partially correct	467 ms	632 KB	Partially correct
42	Partially correct	52 ms	528 KB	Partially correct
43	Partially correct	111 ms	528 KB	Partially correct
44	Partially correct	96 ms	732 KB	Partially correct
45	Partially correct	168 ms	636 KB	Partially correct
46	Partially correct	290 ms	636 KB	Partially correct
47	Partially correct	254 ms	508 KB	Partially correct
48	Partially correct	58 ms	788 KB	Partially correct
49	Partially correct	56 ms	840 KB	Partially correct