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Submission #569379

# Submission time Handle Problem Language Result Execution time Memory
569379 2022-05-27T11:00:59 Z DJ035 Stations (IOI20_stations) C++17
100 / 100
 977 ms 912 KB 
#include "stations.h"
#include <bits/stdc++.h>
#define MEM 1111
#define sanic ios_base::sync_with_stdio(0)
#define x first
#define y second
#define sz size()
#define pb push_back
#define all(v) v.begin(), v.end()
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pi;
const ll INF = 1e13+7;
const ll MOD = 1e9+7;
vector<ll> g[MEM];
ll lb[MEM];
ll o;
void dfs(ll c, ll lv, ll p){
    if(lv&1) lb[c] = o++;
    for(ll nt:g[c]){
        if(nt==p) continue;
        dfs(nt, lv+1, c);
    }
    if(!(lv&1)) lb[c] = o++;
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	std::vector<int> labels(n);
	for(int i=0; i<n; i++) g[i].clear();
	for(int i=0; i<u.sz; i++){
        g[u[i]].pb(v[i]);
        g[v[i]].pb(u[i]);
	}
	memset(lb, 0, sizeof(lb));
	o = 0;
	dfs(0, 1, -1);
	for(int i=0; i<n; i++)
        labels[i] = lb[i];
	return labels;
}

int find_next_station(int s, int t, std::vector<int> c) {
    if(c.back()<s) reverse(c.begin(), c.end());
    for(int r : c)
        if(min(s, r)<=t && t<=max(s, r)) return r;
    return c.back();
}

Compilation message

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:29:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |  for(int i=0; i<u.sz; i++){
      |                ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 517 ms 532 KB Output is correct
2 Correct 423 ms 544 KB Output is correct
3 Correct 946 ms 736 KB Output is correct
4 Correct 668 ms 416 KB Output is correct
5 Correct 590 ms 544 KB Output is correct
6 Correct 405 ms 632 KB Output is correct
7 Correct 453 ms 544 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 3 ms 500 KB Output is correct
10 Correct 2 ms 620 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 427 ms 660 KB Output is correct
2 Correct 501 ms 688 KB Output is correct
3 Correct 838 ms 416 KB Output is correct
4 Correct 642 ms 544 KB Output is correct
5 Correct 551 ms 532 KB Output is correct
6 Correct 353 ms 524 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 537 ms 736 KB Output is correct
2 Correct 544 ms 736 KB Output is correct
3 Correct 951 ms 756 KB Output is correct
4 Correct 631 ms 416 KB Output is correct
5 Correct 529 ms 740 KB Output is correct
6 Correct 481 ms 528 KB Output is correct
7 Correct 484 ms 540 KB Output is correct
8 Correct 2 ms 848 KB Output is correct
9 Correct 6 ms 620 KB Output is correct
10 Correct 2 ms 748 KB Output is correct
11 Correct 639 ms 476 KB Output is correct
12 Correct 407 ms 852 KB Output is correct
13 Correct 459 ms 840 KB Output is correct
14 Correct 433 ms 532 KB Output is correct
15 Correct 58 ms 544 KB Output is correct
16 Correct 59 ms 576 KB Output is correct
17 Correct 133 ms 796 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 943 ms 704 KB Output is correct
2 Correct 592 ms 588 KB Output is correct
3 Correct 577 ms 536 KB Output is correct
4 Correct 3 ms 620 KB Output is correct
5 Correct 3 ms 492 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 559 ms 536 KB Output is correct
8 Correct 814 ms 544 KB Output is correct
9 Correct 556 ms 528 KB Output is correct
10 Correct 565 ms 728 KB Output is correct
11 Correct 6 ms 648 KB Output is correct
12 Correct 5 ms 760 KB Output is correct
13 Correct 7 ms 684 KB Output is correct
14 Correct 4 ms 728 KB Output is correct
15 Correct 2 ms 628 KB Output is correct
16 Correct 463 ms 616 KB Output is correct
17 Correct 518 ms 728 KB Output is correct
18 Correct 451 ms 776 KB Output is correct
19 Correct 493 ms 740 KB Output is correct
20 Correct 524 ms 540 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 560 ms 912 KB Output is correct
2 Correct 449 ms 532 KB Output is correct
3 Correct 977 ms 548 KB Output is correct
4 Correct 675 ms 540 KB Output is correct
5 Correct 608 ms 732 KB Output is correct
6 Correct 458 ms 756 KB Output is correct
7 Correct 439 ms 544 KB Output is correct
8 Correct 4 ms 656 KB Output is correct
9 Correct 7 ms 620 KB Output is correct
10 Correct 1 ms 812 KB Output is correct
11 Correct 390 ms 732 KB Output is correct
12 Correct 503 ms 728 KB Output is correct
13 Correct 843 ms 612 KB Output is correct
14 Correct 646 ms 588 KB Output is correct
15 Correct 562 ms 728 KB Output is correct
16 Correct 435 ms 536 KB Output is correct
17 Correct 536 ms 540 KB Output is correct
18 Correct 497 ms 688 KB Output is correct
19 Correct 554 ms 788 KB Output is correct
20 Correct 483 ms 536 KB Output is correct
21 Correct 70 ms 804 KB Output is correct
22 Correct 76 ms 544 KB Output is correct
23 Correct 102 ms 800 KB Output is correct
24 Correct 7 ms 572 KB Output is correct
25 Correct 6 ms 808 KB Output is correct
26 Correct 7 ms 724 KB Output is correct
27 Correct 5 ms 760 KB Output is correct
28 Correct 2 ms 620 KB Output is correct
29 Correct 570 ms 692 KB Output is correct
30 Correct 566 ms 532 KB Output is correct
31 Correct 577 ms 664 KB Output is correct
32 Correct 471 ms 536 KB Output is correct
33 Correct 482 ms 540 KB Output is correct
34 Correct 365 ms 740 KB Output is correct
35 Correct 423 ms 740 KB Output is correct
36 Correct 483 ms 776 KB Output is correct
37 Correct 492 ms 812 KB Output is correct
38 Correct 486 ms 776 KB Output is correct
39 Correct 461 ms 756 KB Output is correct
40 Correct 418 ms 784 KB Output is correct
41 Correct 398 ms 776 KB Output is correct
42 Correct 74 ms 672 KB Output is correct
43 Correct 103 ms 720 KB Output is correct
44 Correct 128 ms 668 KB Output is correct
45 Correct 145 ms 732 KB Output is correct
46 Correct 287 ms 724 KB Output is correct
47 Correct 313 ms 732 KB Output is correct
48 Correct 63 ms 752 KB Output is correct
49 Correct 72 ms 860 KB Output is correct