oj.uz

Submission #385967

# Submission time Handle Problem Language Result Execution time Memory
385967 2021-04-05T10:00:58 Z PedroBigMan Stations (IOI20_stations) C++14
52.3205 / 100
 1109 ms 1296 KB 
#include "stations.h"
/*
Author of all code: Pedro BIGMAN Dias
Last edit: 15/02/2021
*/
#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <string>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <queue>
#include <deque>
#include <list>
#include <iomanip>
#include <stdlib.h>
#include <time.h>
#include <cstring>
using namespace std;
typedef int ll;
typedef unsigned long long int ull;
typedef long double ld;
#define REP(i,a,b) for(ll i=(ll) a; i<(ll) b; i++)
#define pb push_back
#define mp make_pair
#define pl pair<ll,ll>
#define ff first
#define ss second
#define whole(x) x.begin(),x.end()
#define DEBUG(i) cout<<"Pedro Is The Master "<<i<<endl
#define INF 500000000LL
#define EPS 0.00000001
#define pi 3.14159
ll mod=1000000007LL;
 
template<class A=ll> 
void Out(vector<A> a) {REP(i,0,a.size()) {cout<<a[i]<<" ";} cout<<endl;}
 
template<class A=ll>
void In(vector<A> &a, ll N) {A cur; REP(i,0,N) {cin>>cur; a.pb(cur);}}
 
class Tree
{
    public:
    ll N; 
    vector<ll> p; 
    vector<vector<ll> > sons;
    vector<vector<ll> > adj;
    ll root;
    vector<bool> visited;
    vector<ll> DFSarr1; //DFS Array
	vector<pl> pos;
    
    Tree(vector<vector<ll> > ad, ll r=0LL)
    {
        N=ad.size(); root=r; adj=ad;
        REP(i,0,N) {visited.pb(false);}
        vector<ll> xx; REP(i,0,N) {sons.pb(xx); p.pb(-1);pos.pb({-1,-1});}
        DFS_Build(r,r);
    }
    
    void Reset()
    {
        REP(i,0,N) {visited[i]=false;}
    }
    
    void DFS_Build(ll s, ll par)
    {
		pos[s].ff=DFSarr1.size();
        DFSarr1.pb(s); 
        p[s]=par;
        visited[s]=true;
        REP(i,0,adj[s].size())
        {
            if(adj[s][i]==par) {continue;}
            sons[s].pb(adj[s][i]);
            DFS_Build(adj[s][i],s);
        }
		pos[s].ss=DFSarr1.size()-1;
        return;
    }
};

inline ll f(ll x)
{
	ll mil=1000;
	ll a = x/mil; ll b =x%mil;
	ll ans  =((2001-a)*a)/2 + (b-a);
	return ans;
}

inline ll invf(ll x)
{
	ll a,b; a=-1;
	REP(i,0,1000)
	{
		ll val = (i*(1999-i))/2;
		if(val>x) {a=i-1; break;}
	}
	if(a==-1) {a=999;}
	ll val = (a*(1999-a))/2; b=x-val;
	ll mil=1000;
	ll ans = mil*a+b;
	return ans;
}
 
vector<ll> label(ll N, ll k, vector<ll> u, vector<ll> v) 
{
	vector<ll> xx; vector<vector<ll> > adj; REP(i,0,N) {adj.pb(xx);}
	REP(i,0,N-1) {adj[u[i]].pb(v[i]); adj[v[i]].pb(u[i]);}
	Tree T(adj); 
	vector<ll> label; 
	ll mil=1000;
	REP(i,0,N) {label.pb(T.pos[i].ff*mil+T.pos[i].ss);}
	return label;
}
 
ll find_next_station(ll s, ll t, vector<ll> c) 
{
	vector<pl> inter; pl self; pl target;
	ll mil=1000;
	vector<pl> poss;
	self={s/mil,s%mil};
	REP(i,0,c.size()) {inter.pb({c[i]/mil,c[i]%mil});}
	target={t/mil,t%mil}; 
	ll beg = min_element(whole(inter))->ff;
	ll maxend =-1;  ll ind;
	REP(i,0,inter.size()) {if(inter[i].ff==beg && inter[i].ss>maxend) {maxend=inter[i].ss; ind=i;}}
	REP(i,0,inter.size())
	{
		if(i==ind) {continue;}
		if(target.ff>=inter[i].ff && target.ss<=inter[i].ss) {return c[i];}
	}
	return c[ind];
}

Compilation message

stations.cpp: In function 'll find_next_station(ll, ll, std::vector<int>)':
stations.cpp:137:14: warning: 'ind' may be used uninitialized in this function [-Wmaybe-uninitialized]
  137 |  return c[ind];
      |              ^

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 620 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 8 ms 620 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 611 ms 992 KB Output is correct
2 Correct 581 ms 992 KB Output is correct
3 Correct 1109 ms 756 KB Output is correct
4 Correct 791 ms 736 KB Output is correct
5 Correct 665 ms 884 KB Output is correct
6 Correct 585 ms 1120 KB Output is correct
7 Correct 625 ms 1024 KB Output is correct
8 Correct 4 ms 736 KB Output is correct
9 Correct 4 ms 868 KB Output is correct
10 Correct 3 ms 736 KB Output is correct
11 Correct 597 ms 756 KB Output is correct
12 Correct 546 ms 1168 KB Output is correct
13 Correct 585 ms 1232 KB Output is correct
14 Correct 515 ms 1012 KB Output is correct
15 Correct 65 ms 848 KB Output is correct
16 Correct 76 ms 1164 KB Output is correct
17 Correct 128 ms 1120 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1043 ms 868 KB Output is correct
2 Correct 818 ms 736 KB Output is correct
3 Correct 657 ms 868 KB Output is correct
4 Correct 3 ms 736 KB Output is correct
5 Correct 6 ms 756 KB Output is correct
6 Correct 2 ms 736 KB Output is correct
7 Correct 655 ms 884 KB Output is correct
8 Correct 827 ms 1060 KB Output is correct
9 Correct 773 ms 876 KB Output is correct
10 Correct 626 ms 756 KB Output is correct
11 Correct 7 ms 864 KB Output is correct
12 Correct 5 ms 756 KB Output is correct
13 Correct 6 ms 736 KB Output is correct
14 Correct 5 ms 736 KB Output is correct
15 Correct 3 ms 756 KB Output is correct
16 Correct 571 ms 736 KB Output is correct
17 Correct 570 ms 884 KB Output is correct
18 Correct 652 ms 864 KB Output is correct
19 Correct 656 ms 864 KB Output is correct
20 Correct 675 ms 864 KB Output is correct

Subtask #5
26.3205 / 61.0

# Verdict Execution time Memory Grader output
1 Partially correct 681 ms 992 KB Partially correct
2 Partially correct 532 ms 1012 KB Partially correct
3 Partially correct 1003 ms 756 KB Partially correct
4 Partially correct 832 ms 756 KB Partially correct
5 Partially correct 776 ms 756 KB Partially correct
6 Partially correct 486 ms 1012 KB Partially correct
7 Partially correct 513 ms 1092 KB Partially correct
8 Partially correct 4 ms 756 KB Partially correct
9 Partially correct 4 ms 756 KB Partially correct
10 Partially correct 2 ms 736 KB Partially correct
11 Partially correct 466 ms 1012 KB Partially correct
12 Partially correct 603 ms 1260 KB Partially correct
13 Partially correct 1075 ms 764 KB Partially correct
14 Partially correct 687 ms 756 KB Partially correct
15 Partially correct 690 ms 876 KB Partially correct
16 Partially correct 496 ms 884 KB Partially correct
17 Partially correct 648 ms 736 KB Partially correct
18 Partially correct 473 ms 1296 KB Partially correct
19 Partially correct 535 ms 1124 KB Partially correct
20 Partially correct 525 ms 1124 KB Partially correct
21 Partially correct 85 ms 756 KB Partially correct
22 Partially correct 79 ms 992 KB Partially correct
23 Partially correct 115 ms 1292 KB Partially correct
24 Partially correct 7 ms 864 KB Partially correct
25 Partially correct 8 ms 884 KB Partially correct
26 Partially correct 5 ms 736 KB Partially correct
27 Partially correct 5 ms 872 KB Partially correct
28 Partially correct 3 ms 884 KB Partially correct
29 Partially correct 564 ms 756 KB Partially correct
30 Partially correct 507 ms 992 KB Partially correct
31 Partially correct 627 ms 864 KB Partially correct
32 Partially correct 614 ms 864 KB Partially correct
33 Partially correct 522 ms 884 KB Partially correct
34 Partially correct 400 ms 1012 KB Partially correct
35 Partially correct 512 ms 1128 KB Partially correct
36 Partially correct 614 ms 1064 KB Partially correct
37 Partially correct 618 ms 1184 KB Partially correct
38 Partially correct 557 ms 1240 KB Partially correct
39 Partially correct 575 ms 1120 KB Partially correct
40 Partially correct 595 ms 1124 KB Partially correct
41 Partially correct 583 ms 1232 KB Partially correct
42 Partially correct 84 ms 1004 KB Partially correct
43 Partially correct 127 ms 1120 KB Partially correct
44 Partially correct 165 ms 884 KB Partially correct
45 Partially correct 225 ms 1012 KB Partially correct
46 Partially correct 323 ms 1008 KB Partially correct
47 Partially correct 295 ms 1108 KB Partially correct
48 Partially correct 69 ms 1120 KB Partially correct
49 Partially correct 66 ms 1120 KB Partially correct