oj.uz

Submission #361757

# Submission time Handle Problem Language Result Execution time Memory
361757 2021-01-31T14:20:40 Z ryansee Stations (IOI20_stations) C++14
0 / 100
 1023 ms 940 KB 
#include "stations.h"

#include "bits/stdc++.h"
using namespace std;

#define FAST ios_base::sync_with_stdio(false); cin.tie(0);
#define pb push_back
#define eb emplace_back
#define ins insert
#define f first
#define s second
#define cbr cerr<<"hi\n"
#define mmst(x, v) memset((x), v, sizeof ((x)))
#define siz(x) ll(x.size())
#define all(x) (x).begin(), (x).end()
#define lbd(x,y) (lower_bound(all(x),y)-x.begin())
#define ubd(x,y) (upper_bound(all(x),y)-x.begin())
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
inline long long rand(long long x, long long y) { return rng() % (y+1-x) + x; } //inclusive
string inline to_string(char c) {string s(1,c);return s;} template<typename T> inline T gcd(T a,T b){ return a==0?llabs(b):gcd(b%a,a); }

using ll=long long; 
using ld=long double;
#define FOR(i,s,e) for(ll i=s;i<=ll(e);++i)
#define DEC(i,s,e) for(ll i=s;i>=ll(e);--i)
using pi=pair<ll,ll>; using spi=pair<ll,pi>; using dpi=pair<pi,pi>; 

long long LLINF = 1e18;
int INF = 1e9+1e6;
#define MAXN (200006)

vector<int> label(int n, int k, vector<int> U, vector<int> V) {
	vector<vector<int>> v(n, vector<int>());
	FOR(i,0,n-2) v[U[i]].eb(V[i]), v[V[i]].eb(U[i]);
	vector<int> C(n, 0);
	int r = 0;
	FOR(i,0,n-1) if(siz(v[i]) > siz(v[r])) r = i;
	function<void(int,int,int)>dfs=[&](int x,int p,int co) {
		C[x] = co;
		for(auto i:v[x]) if(i^p) dfs(i, x, co + 1);
	};
	C[r] = 1e6;
	ll co = 0;
	for(auto i:v[r]) dfs(i, r, co), co += 1000;
	return C;
}

int find_next_station(int s, int t, vector<int> c) {
	if(s == 1e6) {
		int target = t / 1000 * 1000;
		assert(find(all(c), target) != c.end());
		return target;
	} else {
		if(s / 1000 == t / 1000) {
			if(s > t) return *min_element(all(c));
			else {
				if(find(all(c), 1e6) != c.end()) c.erase(find(all(c), 1e6));
				return *max_element(all(c));
			}
		} else {
			return *min_element(all(c));
		}
	}
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 492 KB Invalid labels (values out of range). scenario=0, k=1000, vertex=0, label=1000000
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 364 KB Invalid labels (values out of range). scenario=0, k=1000, vertex=1, label=1000000
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 575 ms 884 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1023 ms 660 KB Output is correct
2 Correct 732 ms 864 KB Output is correct
3 Incorrect 666 ms 864 KB Wrong query response.
4 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 625 ms 940 KB Wrong query response.
2 Halted 0 ms 0 KB -