oj.uz

Submission #791715

# Submission time Handle Problem Language Result Execution time Memory
791715 2023-07-24T09:02:02 Z Khizri Stations (IOI20_stations) C++17
100 / 100
 865 ms 908 KB 
#include "stations.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define F first
#define S second
#define INF 1e18
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define pii pair<int,int>
#define pll pair<ll,ll>
#define OK cout<<"Ok"<<endl;
#define MOD (ll)(1e9+7)
const int mxn=1010;
int n,tin[mxn],tout[mxn],tmr,color[mxn];
vector<int>vt[mxn];
void dfs(int u,int p,int dep){
    tin[u]=tmr++;
    for(int v:vt[u]){
        if(v!=p){
            dfs(v,u,dep+1);
        }
    }
    tout[u]=tmr++;
    if(dep%2==0){
        color[u]=tin[u]/2;
    }
    else{
        color[u]=tout[u]/2;
    }
}
vector<int> label(int N, int k, vector<int> u, vector<int> v) {
    n=N;
    for(int i=1;i<=n;i++){
        vt[i].clear();
        color[i]=0;
        tin[i]=0;
        tout[i]=0;
    }
    tmr=0;
    for(int i=0;i<u.size();i++){
        vt[u[i]+1].pb(v[i]+1);
        vt[v[i]+1].pb(u[i]+1);
    }
    dfs(1,-1,0);
	vector<int> labels(n);
	for (int i = 0; i < n; i++) {
		labels[i] = color[i+1];
	}
	return labels;
}

int find_next_station(int s, int t, std::vector<int> c) {
    if(c[0]>s){
        if(t<s) return c.back();
        auto it=lower_bound(all(c),t);
        if(it==c.end()) it--;
        return *it;
	}
	else{
        if(t>s) return c[0];
        auto it=upper_bound(all(c),t);
        if(it!=c.begin()) it--;
        return *it;
	}
}

Compilation message

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:43:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |     for(int i=0;i<u.size();i++){
      |                 ~^~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 470 ms 648 KB Output is correct
2 Correct 365 ms 656 KB Output is correct
3 Correct 711 ms 528 KB Output is correct
4 Correct 596 ms 524 KB Output is correct
5 Correct 535 ms 524 KB Output is correct
6 Correct 309 ms 652 KB Output is correct
7 Correct 431 ms 532 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 2 ms 492 KB Output is correct
10 Correct 0 ms 624 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 405 ms 520 KB Output is correct
2 Correct 509 ms 524 KB Output is correct
3 Correct 769 ms 548 KB Output is correct
4 Correct 482 ms 528 KB Output is correct
5 Correct 541 ms 416 KB Output is correct
6 Correct 334 ms 524 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 446 ms 672 KB Output is correct
2 Correct 322 ms 656 KB Output is correct
3 Correct 865 ms 516 KB Output is correct
4 Correct 597 ms 416 KB Output is correct
5 Correct 415 ms 532 KB Output is correct
6 Correct 264 ms 660 KB Output is correct
7 Correct 342 ms 544 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 3 ms 620 KB Output is correct
10 Correct 0 ms 620 KB Output is correct
11 Correct 403 ms 552 KB Output is correct
12 Correct 426 ms 648 KB Output is correct
13 Correct 317 ms 772 KB Output is correct
14 Correct 327 ms 536 KB Output is correct
15 Correct 45 ms 628 KB Output is correct
16 Correct 57 ms 548 KB Output is correct
17 Correct 82 ms 672 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 696 ms 528 KB Output is correct
2 Correct 618 ms 416 KB Output is correct
3 Correct 444 ms 544 KB Output is correct
4 Correct 1 ms 620 KB Output is correct
5 Correct 3 ms 628 KB Output is correct
6 Correct 0 ms 620 KB Output is correct
7 Correct 509 ms 528 KB Output is correct
8 Correct 678 ms 524 KB Output is correct
9 Correct 440 ms 528 KB Output is correct
10 Correct 512 ms 528 KB Output is correct
11 Correct 2 ms 620 KB Output is correct
12 Correct 3 ms 620 KB Output is correct
13 Correct 3 ms 500 KB Output is correct
14 Correct 1 ms 624 KB Output is correct
15 Correct 0 ms 628 KB Output is correct
16 Correct 404 ms 420 KB Output is correct
17 Correct 410 ms 508 KB Output is correct
18 Correct 441 ms 532 KB Output is correct
19 Correct 494 ms 668 KB Output is correct
20 Correct 446 ms 556 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 422 ms 648 KB Output is correct
2 Correct 323 ms 728 KB Output is correct
3 Correct 694 ms 660 KB Output is correct
4 Correct 593 ms 548 KB Output is correct
5 Correct 435 ms 544 KB Output is correct
6 Correct 341 ms 548 KB Output is correct
7 Correct 283 ms 548 KB Output is correct
8 Correct 2 ms 628 KB Output is correct
9 Correct 3 ms 492 KB Output is correct
10 Correct 0 ms 620 KB Output is correct
11 Correct 328 ms 536 KB Output is correct
12 Correct 479 ms 580 KB Output is correct
13 Correct 659 ms 548 KB Output is correct
14 Correct 575 ms 420 KB Output is correct
15 Correct 520 ms 528 KB Output is correct
16 Correct 366 ms 528 KB Output is correct
17 Correct 526 ms 676 KB Output is correct
18 Correct 292 ms 632 KB Output is correct
19 Correct 273 ms 716 KB Output is correct
20 Correct 363 ms 592 KB Output is correct
21 Correct 44 ms 528 KB Output is correct
22 Correct 62 ms 648 KB Output is correct
23 Correct 66 ms 548 KB Output is correct
24 Correct 6 ms 492 KB Output is correct
25 Correct 2 ms 500 KB Output is correct
26 Correct 2 ms 616 KB Output is correct
27 Correct 2 ms 492 KB Output is correct
28 Correct 2 ms 492 KB Output is correct
29 Correct 454 ms 524 KB Output is correct
30 Correct 420 ms 536 KB Output is correct
31 Correct 447 ms 544 KB Output is correct
32 Correct 350 ms 544 KB Output is correct
33 Correct 338 ms 524 KB Output is correct
34 Correct 202 ms 660 KB Output is correct
35 Correct 377 ms 908 KB Output is correct
36 Correct 353 ms 664 KB Output is correct
37 Correct 412 ms 652 KB Output is correct
38 Correct 341 ms 636 KB Output is correct
39 Correct 338 ms 660 KB Output is correct
40 Correct 336 ms 660 KB Output is correct
41 Correct 376 ms 644 KB Output is correct
42 Correct 49 ms 764 KB Output is correct
43 Correct 108 ms 616 KB Output is correct
44 Correct 73 ms 676 KB Output is correct
45 Correct 142 ms 544 KB Output is correct
46 Correct 304 ms 536 KB Output is correct
47 Correct 264 ms 528 KB Output is correct
48 Correct 50 ms 728 KB Output is correct
49 Correct 42 ms 800 KB Output is correct