oj.uz

답안 #63487

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
63487 2018-08-01T23:29:11 Z reality Amusement Park (JOI17_amusement_park) C++17
10 / 100
 87 ms 51288 KB 
#include "Joi.h"
#include "bits/stdc++.h"
using namespace std;
#define fi first
#define se second
#define ll long long
#define dbg(v) cerr<<#v<<" = "<<v<<'\n'
#define vi vector<int>
#define vl vector <ll>
#define pii pair<int,int>
#define mp make_pair
#define db long double
#define pb push_back
#define all(s) s.begin(),s.end()
template<class T> ostream& operator<<(ostream& stream, const vector<T> v){ stream << "[ "; for (int i=0; i<(int)v.size(); i++) stream << v[i] << " "; stream << "]"; return stream;}
template < class T > T smin(T &a,T b) {if (a > b) a = b;return a;}
template < class T > T smax(T &a,T b) {if (a < b) a = b;return a;}
const int N = 1e6 + 5;

static vi e;

static vi g[N];

static void dfs(int node,int prev) {
    e.pb(node);
    for (auto it : g[node])
        if (it != prev) {
            dfs(it,node);
        }
}

static int f[N];

static int get(int k) {
    return k == f[k] ? k : f[k] = get(f[k]);
}

static int n;

void Joi(int N, int M, int A[], int B[], long long X, int T) {
    n = N;
    for (int i = 0;i < n;++i)
  		f[i] = i;
  	for (int i = 0;i < M;++i) {
  		if (get(A[i]) == get(B[i]))
  			continue;
  		g[A[i]].pb(B[i]);
  		g[B[i]].pb(A[i]);
  		f[get(A[i])] = get(B[i]);
  	}
  	dfs(0,-1);
    for (int i = 0;i < n;++i)
		MessageBoard(e[i],(X >> (i % 60)) & 1);
}

#include "Ioi.h"
#include "bits/stdc++.h"
using namespace std;
#define fi first
#define se second
#define ll long long
#define dbg(v) cerr<<#v<<" = "<<v<<'\n'
#define vi vector<int>
#define vl vector <ll>
#define pii pair<int,int>
#define mp make_pair
#define db long double
#define pb push_back
#define all(s) s.begin(),s.end()
template<class T> ostream& operator<<(ostream& stream, const vector<T> v){ stream << "[ "; for (int i=0; i<(int)v.size(); i++) stream << v[i] << " "; stream << "]"; return stream;}
template < class T > T smin(T &a,T b) {if (a > b) a = b;return a;}
template < class T > T smax(T &a,T b) {if (a < b) a = b;return a;}
const int N = 1e6 + 5;

static vi e;

static vi g[N];

static void dfs(int node,int prev) {
    e.pb(node);
    for (auto it : g[node])
        if (it != prev) {
            dfs(it,node);
        }
}

static int f[N];

static int was[N];

static int has[N];

static int get(int k) {
    return k == f[k] ? k : f[k] = get(f[k]);
}

static int n;

static int Last;

void DFS(int node,int prev) {
	if (Last != node) {
		int nxt = Move(node);
		if (has[node] == -1)
			has[node] = nxt;
		Last = node;
	}
	for (auto it : g[node]) {
		if (it == prev || was[it] == -1)
			continue;
		DFS(it,node);
		if (Last != node)
			Move(node),Last = node;
	}
}


long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {
  	n = N;
  	for (int i = 0;i < n;++i)
  		f[i] = i;
  	for (int i = 0;i < M;++i) {
  		if (get(A[i]) == get(B[i]))
  			continue;
  		g[A[i]].pb(B[i]);
  		g[B[i]].pb(A[i]);
  		f[get(A[i])] = get(B[i]);
  	}
  	dfs(0,-1);
  	int pos = -1;
  	for (int i = 0;i < n;++i)
  		if (e[i] == P)
  			pos = i;
  	int lf = max(0,pos - 59);
  	int rg = lf + 60;
  	assert(0 <= lf && lf < rg && rg <= n);
  	assert(rg - lf == 60);
  	assert(lf <= pos && pos < rg);
  	for (int i = 0;i < n;++i)
  		was[i] = -1,has[i] = -1;
  	for (int i = lf;i < rg;++i)
  		was[e[i]] = (i % 60);
  	has[P] = V;
  	Last = P;
  	DFS(P,-1);
  	ll answer = 0;
  	for (int i = 0;i < n;++i)
  		if (was[i] != -1)
	  		answer += (1ll << was[i]) * has[i];
  	return answer;
}

Compilation message

In file included from /usr/include/c++/7/cassert:44:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:33,
                 from Ioi.cpp:2:
Ioi.cpp: In function 'long long int Ioi(int, int, int*, int*, int, int, int)':
Ioi.cpp:81:25: warning: assuming signed overflow does not occur when assuming that (X + c) >= X is always true [-Wstrict-overflow]
    assert(0 <= lf && lf < rg && rg <= n);
                      ~~~^~~

Subtask #1
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 42 ms 47716 KB Output is correct
2 Incorrect 48 ms 47900 KB Wrong Answer [7]
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 79 ms 50340 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 49 ms 50344 KB Output is correct
2 Correct 45 ms 50344 KB Output is correct
3 Correct 50 ms 50344 KB Output is correct
4 Correct 56 ms 50344 KB Output is correct
5 Correct 52 ms 50344 KB Output is correct
6 Correct 56 ms 50344 KB Output is correct
7 Correct 44 ms 50344 KB Output is correct
8 Correct 48 ms 50344 KB Output is correct
9 Correct 54 ms 51008 KB Output is correct
10 Correct 54 ms 51200 KB Output is correct
11 Correct 61 ms 51244 KB Output is correct
12 Correct 41 ms 51288 KB Output is correct
13 Correct 40 ms 51288 KB Output is correct
14 Correct 47 ms 51288 KB Output is correct
15 Correct 50 ms 51288 KB Output is correct

Subtask #4
0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 87 ms 51288 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 69 ms 51288 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -