oj.uz

Submission #418660

# Submission time Handle Problem Language Result Execution time Memory
418660 2021-06-05T16:58:47 Z alishahali1382 Park (JOI17_park) C++14
67 / 100
 442 ms 588 KB 
#include "park.h"
#include <bits/stdc++.h>
#pragma GCC optimize ("O2,unroll-loops")
//#pragma GCC optimize("no-stack-protector,fast-math")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<pii, int> piii;
typedef pair<ll, ll> pll;
#define debug(x) cerr<<#x<<'='<<(x)<<endl;
#define debugp(x) cerr<<#x<<"= {"<<(x.first)<<", "<<(x.second)<<"}"<<endl;
#define debug2(x, y) cerr<<"{"<<#x<<", "<<#y<<"} = {"<<(x)<<", "<<(y)<<"}"<<endl;
#define debugv(v) {cerr<<#v<<" : ";for (auto x:v) cerr<<x<<' ';cerr<<endl;}
#define all(x) x.begin(), x.end()
#define pb push_back
#define kill(x) return cout<<x<<'\n', 0;

const int inf=1000000010;
const ll INF=1000000000000001000LL;
const int mod=1000000007;
const int MAXN=1510, LOG=18;

static int Place[1400];
inline int ask(int u, int v){
	if (u>v) swap(u, v);
	Place[u]=Place[v]=1;
	return Ask(u, v, Place);
}
inline void add_edge(int u, int v){
	if (u>v) swap(u, v);
	Answer(u, v);
}

int n, m, k, u, v, x, y, a, b, t;
int mark[MAXN];
int par[MAXN], h[MAXN];
vector<int> topol;
vector<int> G[MAXN];

void dfs(int node){
	topol.pb(node);
	for (int v:G[node]) dfs(v);
}
int GetPar(int v){
	int dwn=0, up=topol.size();
	while (up-dwn>1){
		int mid=(dwn+up)>>1;
		memset(Place, 0, sizeof(Place));
		for (int i=0; i<mid; i++) Place[topol[i]]=1;
		if (ask(0, v)) up=mid;
		else dwn=mid;
	}
	par[v]=topol[dwn];
	h[v]=h[par[v]]+1;
	return par[v];
}
int GetUp(int v){
	vector<int> bad;
	for (int i=0; i<n; i++) if (i!=v && !mark[i]) bad.pb(i);
	int dwn=0, up=bad.size();
	while (up-dwn>1){
		int mid=(dwn+up)>>1;
		memcpy(Place, mark, sizeof(Place));
		for (int i=0; i<mid; i++) Place[bad[i]]=1;
		if (ask(0, v)) up=mid;
		else dwn=mid;
	}
	return bad[dwn];
}


void Detect(int T, int _n){
	assert(T==2 || T==3 || T==4);
	n=_n;
	mark[0]=1;
	topol.pb(0);
	vector<int> vec;
	for (int i=1; i<n; i++) if (!mark[i]){
		vec.pb(i);
		while (vec.size()){
			// debugv(vec)
			int v=vec.back();
			memcpy(Place, mark, sizeof(Place));
			if (ask(0, v)){
				add_edge(GetPar(v), v);
				vec.pop_back();
				mark[v]=1;
				topol.pb(v);
				// sort(all(topol), [](int i, int j){
				// 	return h[i]<h[j];
				// });
			}
			else{
				vec.pb(GetUp(v));
			}
		}
	}

}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 440 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 442 ms 500 KB Output is correct
2 Correct 118 ms 488 KB Output is correct
3 Correct 166 ms 496 KB Output is correct
4 Correct 423 ms 492 KB Output is correct
5 Correct 425 ms 504 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 203 ms 440 KB Output is correct
2 Correct 216 ms 500 KB Output is correct
3 Correct 231 ms 452 KB Output is correct
4 Correct 195 ms 332 KB Output is correct
5 Correct 249 ms 452 KB Output is correct
6 Correct 225 ms 452 KB Output is correct
7 Correct 216 ms 460 KB Output is correct
8 Correct 220 ms 332 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 119 ms 332 KB Output is correct
2 Correct 274 ms 452 KB Output is correct
3 Correct 283 ms 452 KB Output is correct
4 Correct 317 ms 444 KB Output is correct
5 Correct 311 ms 460 KB Output is correct
6 Correct 288 ms 476 KB Output is correct
7 Correct 358 ms 460 KB Output is correct
8 Correct 282 ms 456 KB Output is correct
9 Correct 305 ms 332 KB Output is correct
10 Correct 316 ms 460 KB Output is correct
11 Correct 305 ms 460 KB Output is correct
12 Correct 269 ms 464 KB Output is correct
13 Correct 376 ms 460 KB Output is correct
14 Correct 280 ms 460 KB Output is correct
15 Correct 384 ms 460 KB Output is correct
16 Correct 232 ms 436 KB Output is correct
17 Correct 430 ms 508 KB Output is correct
18 Correct 302 ms 460 KB Output is correct
19 Correct 397 ms 468 KB Output is correct
20 Correct 299 ms 332 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 588 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -