oj.uz

답안 #68872

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
68872 2018-08-18T20:42:06 Z duality Amusement Park (JOI17_amusement_park) C++14
10 / 100
 38 ms 5160 KB 
#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
typedef long long int LLI;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<pii> vpii;
#include "Joi.h"

static int parent[10000];
int find(int n) {
    if (parent[n] != n) parent[n] = find(parent[n]);
    return parent[n];
}
static vi adjList[10000];
static int key[10000],nxt[10000];
static int visited[10000];
static queue<int> Q;
static int doDFS(int u,int p) {
    int i;
    int m = 1,mv = -1;
    for (i = 0; i < adjList[u].size(); i++) {
        int v = adjList[u][i];
        if (v != p) {
            int r = doDFS(v,u);
            if (r+1 > m) m = r+1,mv = v;
        }
    }
    nxt[u] = mv;
    if (m == 60) {
        key[u] = 1;
        return 0;
    }
    else return m;
}
static int num = 0;
static int message[10000];
static int doDFS2(int u,int p,LLI X) {
    int i;
    if (num < 60) {
        MessageBoard(u,((X & (1LL << num)) > 0));
        message[u] = 1;
    }
    num++;
    for (i = 0; i < adjList[u].size(); i++) {
        int v = adjList[u][i];
        if (v != p) doDFS2(v,u,X);
    }
    return 0;
}
void Joi(int N,int M,int A[],int B[],long long int X,int T) {
    int i;
    for (i = 0; i < N; i++) parent[i] = i;
    for (i = 0; i < M; i++) {
        int pa = find(A[i]),pb = find(B[i]);
        if (pa != pb) {
            parent[pa] = pb;
            adjList[A[i]].pb(B[i]);
            adjList[B[i]].pb(A[i]);
        }
    }
    int e = 0;
    Q.push(0);
    while (!Q.empty()) {
        int u = Q.front();
        Q.pop();

        e = u;
        for (i = 0; i < adjList[u].size(); i++) {
            int v = adjList[u][i];
            if (!visited[v]) {
                visited[v] = 1;
                Q.push(v);
            }
        }
    }
    int j,f = 0;
    doDFS(e,-1);
    for (i = 0; i < N; i++) {
        if (key[i]) {
            int u = i;
            for (j = 0; j < 60; j++) {
                MessageBoard(u,((X & (1LL << j)) > 0));
                message[u] = 1;
                u = nxt[u];
            }
            f = 1;
        }
    }
    if (!f) doDFS2(e,-1,X);
    for (i = 0; i < N; i++) {
        if (!message[i]) MessageBoard(i,0);
    }
}

#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
typedef long long int LLI;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<pii> vpii;
#include "Ioi.h"

static int parent[10000];
static int find(int n) {
    if (parent[n] != n) parent[n] = find(parent[n]);
    return parent[n];
}
static vi adjList[10000];
static int key[10000],nxt[10000];
static int visited[10000];
static queue<int> Q;
static int doDFS(int u,int p) {
    int i;
    int m = 1,mv = -1;
    for (i = 0; i < adjList[u].size(); i++) {
        int v = adjList[u][i];
        if (v != p) {
            int r = doDFS(v,u);
            if (r+1 > m) m = r+1,mv = v;
        }
    }
    nxt[u] = mv;
    if (m == 60) {
        key[u] = 1;
        return 0;
    }
    else return m;
}
static int message[10000];
static int moveto(int s,int N) {
    int i,u;
    fill(parent,parent+N,-1);
    Q.push(s);
    while (!Q.empty()) {
        u = Q.front();
        Q.pop();

        if (key[u]) break;
        for (i = 0; i < adjList[u].size(); i++) {
            int v = adjList[u][i];
            if ((v != s) && (parent[v] == -1)) {
                parent[v] = u;
                Q.push(v);
            }
        }
    }
    while (!Q.empty()) Q.pop();
    vi path;
    if (!key[u]) u = 0;
    while (u != -1) path.pb(u),u = parent[u];
    for (i = (int) path.size()-2; i >= 0; i--) message[path[i]] = Move(path[i]);
    return path[0];
}
static int num = 0;
static LLI ans = 0;
static int doDFS2(int u,int p) {
    int i;
    if (num < 60) {
        if (message[u]) ans |= (1LL << num);
    }
    num++;
    for (i = 0; i < adjList[u].size(); i++) {
        int v = adjList[u][i];
        if (v != p) {
            if (num < 60) message[v] = Move(v);
            doDFS2(v,u);
            if (num < 60) Move(u);
        }
    }
    return 0;
}
long long int Ioi(int N,int M,int A[],int B[],int P,int V,int T) {
    int i;
    for (i = 0; i < N; i++) parent[i] = i;
    for (i = 0; i < M; i++) {
        int pa = find(A[i]),pb = find(B[i]);
        if (pa != pb) {
            parent[pa] = pb;
            adjList[A[i]].pb(B[i]);
            adjList[B[i]].pb(A[i]);
        }
    }
    int e = 0;
    Q.push(0);
    while (!Q.empty()) {
        int u = Q.front();
        Q.pop();

        e = u;
        for (i = 0; i < adjList[u].size(); i++) {
            int v = adjList[u][i];
            if (!visited[v]) {
                visited[v] = 1;
                Q.push(v);
            }
        }
    }
    doDFS(e,-1);
    fill(message,message+N,-1);
    message[P] = V;
    int d = moveto(P,N);
    if (key[d]) {
        LLI X = 0;
        int u = d;
        for (i = 0; i < 60; i++) {
            if (message[u]) X |= (1LL << i);
            u = nxt[u];
            if (i < 59) message[u] = Move(u);
        }
        return X;
    }
    else {
        doDFS2(e,-1);
        return ans;
    }
}

Compilation message

Joi.cpp: In function 'int doDFS(int, int)':
Joi.cpp:23:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (i = 0; i < adjList[u].size(); i++) {
                 ~~^~~~~~~~~~~~~~~~~~~
Joi.cpp: In function 'int doDFS2(int, int, LLI)':
Joi.cpp:46:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (i = 0; i < adjList[u].size(); i++) {
                 ~~^~~~~~~~~~~~~~~~~~~
Joi.cpp: In function 'void Joi(int, int, int*, int*, long long int, int)':
Joi.cpp:70:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (i = 0; i < adjList[u].size(); i++) {
                     ~~^~~~~~~~~~~~~~~~~~~

Ioi.cpp: In function 'int doDFS(int, int)':
Ioi.cpp:23:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (i = 0; i < adjList[u].size(); i++) {
                 ~~^~~~~~~~~~~~~~~~~~~
Ioi.cpp: In function 'int moveto(int, int)':
Ioi.cpp:47:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (i = 0; i < adjList[u].size(); i++) {
                     ~~^~~~~~~~~~~~~~~~~~~
Ioi.cpp: In function 'int doDFS2(int, int)':
Ioi.cpp:70:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (i = 0; i < adjList[u].size(); i++) {
                 ~~^~~~~~~~~~~~~~~~~~~
Ioi.cpp: In function 'long long int Ioi(int, int, int*, int*, int, int, int)':
Ioi.cpp:98:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (i = 0; i < adjList[u].size(); i++) {
                     ~~^~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 6 ms 1364 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 35 ms 3656 KB Output is correct
2 Correct 34 ms 3656 KB Output is correct
3 Correct 33 ms 3832 KB Output is correct
4 Incorrect 24 ms 4008 KB Wrong Answer [7]
5 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 4008 KB Output is correct
2 Correct 6 ms 4008 KB Output is correct
3 Correct 5 ms 4008 KB Output is correct
4 Correct 9 ms 4008 KB Output is correct
5 Correct 8 ms 4008 KB Output is correct
6 Correct 7 ms 4008 KB Output is correct
7 Correct 7 ms 4008 KB Output is correct
8 Correct 8 ms 4008 KB Output is correct
9 Correct 20 ms 5076 KB Output is correct
10 Correct 20 ms 5160 KB Output is correct
11 Correct 19 ms 5160 KB Output is correct
12 Correct 6 ms 5160 KB Output is correct
13 Correct 7 ms 5160 KB Output is correct
14 Correct 6 ms 5160 KB Output is correct
15 Correct 6 ms 5160 KB Output is correct

Subtask #4
0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 36 ms 5160 KB Output is correct
2 Correct 36 ms 5160 KB Output is correct
3 Correct 37 ms 5160 KB Output is correct
4 Incorrect 38 ms 5160 KB Wrong Answer [7]
5 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 5160 KB Output is correct
2 Correct 34 ms 5160 KB Output is correct
3 Correct 36 ms 5160 KB Output is correct
4 Incorrect 26 ms 5160 KB Wrong Answer [7]
5 Halted 0 ms 0 KB -