oj.uz

Submission #338058

# Submission time Handle Problem Language Result Execution time Memory
338058 2020-12-22T11:40:38 Z MvC Stations (IOI20_stations) C++17
100 / 100
 1017 ms 1244 KB 
#include "stations.h"
#include <bits/stdc++.h>
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define mkp make_pair
#define in insert
#define er erase
#define fd find
#define fr first
#define sc second
#define all(x) x.begin(),x.end()
#define lun(x) (int)x.size()
typedef long long ll;
typedef long double ld;
const ll INF=0x3f3f3f3f3f3f3f3f;
const ll llinf=(1LL<<60);
const int inf=(1<<30);
const int nmax=1e3+50;
const ll mod=1e9+7;
using namespace std;
int i,d[nmax],in[nmax],out[nmax],tt;
vector<int>g[nmax],rs;
void dfs(int x,int p)
{
    d[x]=d[p]^1;
    if(d[x])in[x]=tt++;
    for(int i=0;i<lun(g[x]);i++)if(g[x][i]!=p)dfs(g[x][i],x);
    if(!d[x])out[x]=tt++;
}
vector<int> label(int n,int k,vector<int> u,vector<int> v)
{
    rs.clear();
    for(i=0;i<n;i++)
    {
        g[i].clear();
        d[i]=0;
    }
    tt=0;
    for(i=0;i<n-1;i++)
    {
        g[u[i]].pb(v[i]);
        g[v[i]].pb(u[i]);
    }
    dfs(0,0);
    for(i=0;i<n;i++)
    {
        if(d[i])rs.pb(in[i]);
        else rs.pb(out[i]);
    }
    return rs;
}
int find_next_station(int s,int t,vector<int> c)
{
    sort(all(c));
    int k=lun(c);
    if(s>c.back())
    {
        for(i=1;i<k-1;i++)if(t>=c[i] && t<c[i+1])return c[i];
        if(t>=c[k-1] && t<s)return c[k-1];
        return c[0];
    }
    else
    {
        for(i=k-2;i>=1;i--)if(t>c[i-1] && t<=c[i])return c[i];
        if(t>s && t<=c[0])return c[0];
        return c.back();
    }
}
/*int main()
{
	//freopen("sol.in","r",stdin);
	//freopen("sol.out","w",stdout);
	//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
	ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);

    return 0;
}*/

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 675 ms 1072 KB Output is correct
2 Correct 475 ms 1068 KB Output is correct
3 Correct 902 ms 936 KB Output is correct
4 Correct 664 ms 936 KB Output is correct
5 Correct 625 ms 936 KB Output is correct
6 Correct 439 ms 1184 KB Output is correct
7 Correct 558 ms 1096 KB Output is correct
8 Correct 3 ms 864 KB Output is correct
9 Correct 4 ms 736 KB Output is correct
10 Correct 2 ms 736 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 593 ms 736 KB Output is correct
2 Correct 616 ms 872 KB Output is correct
3 Correct 875 ms 864 KB Output is correct
4 Correct 683 ms 876 KB Output is correct
5 Correct 574 ms 1064 KB Output is correct
6 Correct 493 ms 888 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 553 ms 864 KB Output is correct
2 Correct 570 ms 1068 KB Output is correct
3 Correct 835 ms 936 KB Output is correct
4 Correct 700 ms 936 KB Output is correct
5 Correct 761 ms 864 KB Output is correct
6 Correct 538 ms 992 KB Output is correct
7 Correct 479 ms 992 KB Output is correct
8 Correct 3 ms 976 KB Output is correct
9 Correct 5 ms 736 KB Output is correct
10 Correct 2 ms 936 KB Output is correct
11 Correct 693 ms 736 KB Output is correct
12 Correct 552 ms 1136 KB Output is correct
13 Correct 559 ms 1072 KB Output is correct
14 Correct 470 ms 892 KB Output is correct
15 Correct 55 ms 928 KB Output is correct
16 Correct 85 ms 736 KB Output is correct
17 Correct 152 ms 864 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1017 ms 944 KB Output is correct
2 Correct 691 ms 864 KB Output is correct
3 Correct 730 ms 864 KB Output is correct
4 Correct 3 ms 944 KB Output is correct
5 Correct 4 ms 736 KB Output is correct
6 Correct 2 ms 864 KB Output is correct
7 Correct 584 ms 736 KB Output is correct
8 Correct 988 ms 896 KB Output is correct
9 Correct 761 ms 1164 KB Output is correct
10 Correct 599 ms 944 KB Output is correct
11 Correct 7 ms 944 KB Output is correct
12 Correct 7 ms 944 KB Output is correct
13 Correct 6 ms 736 KB Output is correct
14 Correct 5 ms 944 KB Output is correct
15 Correct 3 ms 736 KB Output is correct
16 Correct 497 ms 864 KB Output is correct
17 Correct 481 ms 936 KB Output is correct
18 Correct 537 ms 944 KB Output is correct
19 Correct 531 ms 864 KB Output is correct
20 Correct 566 ms 1108 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 509 ms 1072 KB Output is correct
2 Correct 445 ms 1072 KB Output is correct
3 Correct 833 ms 936 KB Output is correct
4 Correct 621 ms 936 KB Output is correct
5 Correct 558 ms 936 KB Output is correct
6 Correct 428 ms 992 KB Output is correct
7 Correct 415 ms 1244 KB Output is correct
8 Correct 3 ms 864 KB Output is correct
9 Correct 4 ms 864 KB Output is correct
10 Correct 2 ms 776 KB Output is correct
11 Correct 425 ms 864 KB Output is correct
12 Correct 534 ms 1212 KB Output is correct
13 Correct 862 ms 736 KB Output is correct
14 Correct 643 ms 828 KB Output is correct
15 Correct 585 ms 936 KB Output is correct
16 Correct 442 ms 880 KB Output is correct
17 Correct 575 ms 864 KB Output is correct
18 Correct 426 ms 996 KB Output is correct
19 Correct 462 ms 1120 KB Output is correct
20 Correct 429 ms 1024 KB Output is correct
21 Correct 56 ms 864 KB Output is correct
22 Correct 75 ms 900 KB Output is correct
23 Correct 108 ms 992 KB Output is correct
24 Correct 7 ms 864 KB Output is correct
25 Correct 5 ms 944 KB Output is correct
26 Correct 5 ms 736 KB Output is correct
27 Correct 3 ms 736 KB Output is correct
28 Correct 2 ms 736 KB Output is correct
29 Correct 479 ms 864 KB Output is correct
30 Correct 480 ms 936 KB Output is correct
31 Correct 501 ms 864 KB Output is correct
32 Correct 509 ms 992 KB Output is correct
33 Correct 508 ms 736 KB Output is correct
34 Correct 343 ms 1084 KB Output is correct
35 Correct 483 ms 992 KB Output is correct
36 Correct 441 ms 864 KB Output is correct
37 Correct 519 ms 992 KB Output is correct
38 Correct 444 ms 1220 KB Output is correct
39 Correct 517 ms 1216 KB Output is correct
40 Correct 433 ms 1164 KB Output is correct
41 Correct 458 ms 1140 KB Output is correct
42 Correct 62 ms 864 KB Output is correct
43 Correct 109 ms 872 KB Output is correct
44 Correct 163 ms 1100 KB Output is correct
45 Correct 219 ms 1108 KB Output is correct
46 Correct 295 ms 1004 KB Output is correct
47 Correct 284 ms 1120 KB Output is correct
48 Correct 62 ms 1088 KB Output is correct
49 Correct 69 ms 864 KB Output is correct