oj.uz

Submission #397869

# Submission time Handle Problem Language Result Execution time Memory
397869 2021-05-03T10:33:22 Z cfalas Stations (IOI20_stations) C++14
10 / 100
 1144 ms 656 KB 
#include "stations.h"
#include<bits/stdc++.h>
using namespace std;
#define mp make_pair
#define INF 10000000
#define MOD 1000000007
#define MID ((l+r)/2)
#define HASHMOD 2305843009213693951
#define ll long long
#define ull unsigned long long
#define F first
#define S second
typedef pair<ll, ll> ii;
typedef pair<ii, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef map<int, int> mii;

#define EPS 1e-6
#define FOR(i,n) for(int i=0;i<((int)(n));i++)
#define FORi(i,a,b) for(int i=((int)(a));i<((int)(b));i++)
#define FOA(v, a) for(auto v : a)

vector<vi> adj;
vi labels;
int cnt=0;
vi sub;
int d = 0;
void dfs(int s, int p=-1){
	d++;
	labels[s] = cnt;
	//cout<<"enter "<<s<<" "<<cnt<<endl;
	for(auto v : adj[s]) if(v!=p) cnt++, dfs(v, s), sub[s]+=sub[v];
	cnt++;
	labels[s]=labels[s]*1000 + cnt;
	//cout<<"leave "<<s<<" "<<cnt<<endl;
	d--;
}

vi label(int n, int k, std::vector<int> u, std::vector<int> v) {
	cnt = 0;
	adj.assign(n, vi());
	sub.assign(n, 1);
	labels.assign(n, 0);
	FOR(i,n-1){
		adj[u[i]].push_back(v[i]);
		adj[v[i]].push_back(u[i]);
	}
	dfs(0);
	//FOR(i,n) cout<<labels[i]<<" "<<sub[i]<<endl;
	//FOR(i,n) labels[i] = (labels[i]<<10) + sub[i];

	//FOA(v, labels) cout<<v<<" "; cout<<endl;

	return labels;
}

int get_s(int x){ return x % (1000); }

int find_next_station(int s, int t, std::vector<int> c) {
	//cout<<s<<" "<<t<<endl;
	int lt = t/1000;
	int sin = s/1000;

	FOA(x, c){
		if((x/1000)<sin) continue;
		int xin = x/1000;
		int xout = x%1000;
		if(xin<=lt && lt<=xout) return x;
	}
	return *min_element(c.begin(), c.end());

}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 456 KB Invalid labels (values out of range). scenario=0, k=1000, vertex=1, label=7014
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 412 KB Invalid labels (values out of range). scenario=0, k=1000, vertex=0, label=1991
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 420 KB Invalid labels (values out of range). scenario=1, k=1000000, vertex=12, label=1750970
2 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1144 ms 472 KB Output is correct
2 Correct 804 ms 400 KB Output is correct
3 Correct 618 ms 404 KB Output is correct
4 Correct 3 ms 472 KB Output is correct
5 Correct 5 ms 472 KB Output is correct
6 Correct 2 ms 472 KB Output is correct
7 Correct 637 ms 400 KB Output is correct
8 Correct 1073 ms 400 KB Output is correct
9 Correct 765 ms 492 KB Output is correct
10 Correct 622 ms 476 KB Output is correct
11 Correct 7 ms 472 KB Output is correct
12 Correct 6 ms 480 KB Output is correct
13 Correct 6 ms 480 KB Output is correct
14 Correct 4 ms 472 KB Output is correct
15 Correct 2 ms 480 KB Output is correct
16 Correct 712 ms 492 KB Output is correct
17 Correct 714 ms 400 KB Output is correct
18 Correct 516 ms 400 KB Output is correct
19 Correct 582 ms 492 KB Output is correct
20 Correct 535 ms 472 KB Output is correct

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 656 ms 656 KB Wrong query response.
2 Halted 0 ms 0 KB -