oj.uz

Submission #602006

# Submission time Handle Problem Language Result Execution time Memory
602006 2022-07-22T13:27:43 Z definitelynotmee Stations (IOI20_stations) C++17
100 / 100
 867 ms 864 KB 
#include "stations.h"
#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define all(x) x.begin(), x.end()
using ll = long long;
using pii = pair<int,int>;
using pll = pair<ll,ll>;
template<typename T>
using matrix = vector<vector<T>>;

std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
    matrix<int> g(n);
    for(int i = 0; i < n-1; i++){
        g[u[i]].push_back(v[i]);
        g[v[i]].push_back(u[i]);
    }
    int timer = -1;
    vector<int> labels(n);
	auto dfs =[&](int id, int last, int height, auto dfs)->void{
        if(!height)
            labels[id] = ++timer;
        for(int i : g[id]){
            if(i!=last)
                dfs(i,id,height^1,dfs);
        }
        if(height)
            labels[id] = ++timer;
    };
    dfs(0,0,0,dfs);
	return labels;
}

bool intersect(int l, int r, int v){
    if(r < l)
        swap(l,r);
    return l <= v && v <= r;
}

int find_next_station(int s, int t, std::vector<int> c) {
    if(c[0] < s)
        reverse(all(c));

    int ini = 0, fim = int(c.size())-1;
    while(ini!=fim){
        int m = (ini+fim)>>1;
        if(intersect(s,c[m],t))
            fim = m;
        else ini = m+1;
    }
    return c[ini];
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 510 ms 508 KB Output is correct
2 Correct 400 ms 496 KB Output is correct
3 Correct 809 ms 420 KB Output is correct
4 Correct 596 ms 504 KB Output is correct
5 Correct 574 ms 416 KB Output is correct
6 Correct 402 ms 548 KB Output is correct
7 Correct 447 ms 548 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 3 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 447 ms 544 KB Output is correct
2 Correct 526 ms 508 KB Output is correct
3 Correct 852 ms 420 KB Output is correct
4 Correct 655 ms 420 KB Output is correct
5 Correct 641 ms 500 KB Output is correct
6 Correct 479 ms 504 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 475 ms 544 KB Output is correct
2 Correct 515 ms 544 KB Output is correct
3 Correct 867 ms 416 KB Output is correct
4 Correct 597 ms 576 KB Output is correct
5 Correct 438 ms 420 KB Output is correct
6 Correct 380 ms 540 KB Output is correct
7 Correct 483 ms 500 KB Output is correct
8 Correct 1 ms 500 KB Output is correct
9 Correct 4 ms 492 KB Output is correct
10 Correct 0 ms 492 KB Output is correct
11 Correct 591 ms 416 KB Output is correct
12 Correct 388 ms 580 KB Output is correct
13 Correct 489 ms 864 KB Output is correct
14 Correct 463 ms 548 KB Output is correct
15 Correct 54 ms 492 KB Output is correct
16 Correct 59 ms 500 KB Output is correct
17 Correct 74 ms 568 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 761 ms 488 KB Output is correct
2 Correct 626 ms 416 KB Output is correct
3 Correct 458 ms 504 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 3 ms 500 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 473 ms 416 KB Output is correct
8 Correct 806 ms 420 KB Output is correct
9 Correct 589 ms 416 KB Output is correct
10 Correct 578 ms 416 KB Output is correct
11 Correct 3 ms 500 KB Output is correct
12 Correct 5 ms 500 KB Output is correct
13 Correct 3 ms 500 KB Output is correct
14 Correct 4 ms 500 KB Output is correct
15 Correct 1 ms 500 KB Output is correct
16 Correct 483 ms 500 KB Output is correct
17 Correct 465 ms 420 KB Output is correct
18 Correct 389 ms 504 KB Output is correct
19 Correct 593 ms 464 KB Output is correct
20 Correct 507 ms 416 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 617 ms 504 KB Output is correct
2 Correct 471 ms 508 KB Output is correct
3 Correct 809 ms 416 KB Output is correct
4 Correct 661 ms 416 KB Output is correct
5 Correct 549 ms 420 KB Output is correct
6 Correct 473 ms 544 KB Output is correct
7 Correct 430 ms 544 KB Output is correct
8 Correct 3 ms 492 KB Output is correct
9 Correct 3 ms 500 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 446 ms 508 KB Output is correct
12 Correct 438 ms 564 KB Output is correct
13 Correct 863 ms 420 KB Output is correct
14 Correct 640 ms 416 KB Output is correct
15 Correct 657 ms 420 KB Output is correct
16 Correct 451 ms 544 KB Output is correct
17 Correct 601 ms 504 KB Output is correct
18 Correct 445 ms 636 KB Output is correct
19 Correct 463 ms 700 KB Output is correct
20 Correct 475 ms 500 KB Output is correct
21 Correct 79 ms 420 KB Output is correct
22 Correct 69 ms 544 KB Output is correct
23 Correct 88 ms 544 KB Output is correct
24 Correct 6 ms 500 KB Output is correct
25 Correct 5 ms 492 KB Output is correct
26 Correct 4 ms 492 KB Output is correct
27 Correct 4 ms 492 KB Output is correct
28 Correct 2 ms 492 KB Output is correct
29 Correct 539 ms 504 KB Output is correct
30 Correct 448 ms 508 KB Output is correct
31 Correct 566 ms 568 KB Output is correct
32 Correct 470 ms 500 KB Output is correct
33 Correct 593 ms 508 KB Output is correct
34 Correct 252 ms 548 KB Output is correct
35 Correct 431 ms 700 KB Output is correct
36 Correct 467 ms 716 KB Output is correct
37 Correct 468 ms 580 KB Output is correct
38 Correct 369 ms 624 KB Output is correct
39 Correct 424 ms 588 KB Output is correct
40 Correct 439 ms 668 KB Output is correct
41 Correct 404 ms 628 KB Output is correct
42 Correct 62 ms 572 KB Output is correct
43 Correct 116 ms 556 KB Output is correct
44 Correct 120 ms 504 KB Output is correct
45 Correct 146 ms 544 KB Output is correct
46 Correct 277 ms 512 KB Output is correct
47 Correct 348 ms 544 KB Output is correct
48 Correct 49 ms 640 KB Output is correct
49 Correct 59 ms 500 KB Output is correct