답안 #868166

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
868166 2023-10-30T15:56:50 Z nnhzzz Soccer (JOI17_soccer) C++14
5 / 100
222 ms 22724 KB
// cre: Nguyen Ngoc Hung - Train VOI 2024 :>

#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <unordered_set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#include <cstring>
#include <unordered_map>
#include <cmath>
#include <array>
#include <cassert>
#include <random>

using namespace std;

#define        __nnhzzz__  signed main()
#define          BIT(i,j)  ((i>>j)&1LL)
#define           MASK(i)  (1LL<<i)
#define            ALL(x)  (x).begin(),(x).end()
#define             SZ(x)  (int)(x).size()
#define                fi  first
#define                se  second
#define                ll  long long
#define                vi  vector<int>
#define               vvi  vector<vi>
#define               pii  pair<int,int>
#define              vpii  vector<pii>
#define REPDIS(i,be,en,j)  for(int i = (be); i<=(en); i+=j)
#define     REPD(i,be,en)  for(int i = (be); i>=(en); i--)
#define      REP(i,be,en)  for(int i = (be); i<=(en); i++)
#define               int  ll
#define                MP  make_pair

//------------------------------------------------------------------------------------------------//
int readInt(){
    char c;
    do{ c = getchar(); }while(c!='-' && !isdigit(c));
    bool neg = (c=='-');
    int res = neg?0:c-'0';
    while(isdigit(c=getchar())) res = (res<<3)+(res<<1)+(c-'0');
    return neg?-res:res;
}
//------------------------------------------------------------------------------------------------//
const int oo = 1e9,LOG = 20,MAXN = 5e2+7,N = 1e5+3;
const int MOD = 1e9+7,MOD1 = 1e9+207,MOD2 = 1e9+407,MOD3 = 998244353;
const int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
//------------------------------------------------------------------------------------------------//
template<typename T1, typename T2> bool mini(T1 &a, T2 b){if(a>b){a=b;return true;}return false;}
template<typename T1, typename T2> bool maxi(T1 &a, T2 b){if(a<b){a=b;return true;}return false;}
template<typename T> T gcd(T a, T b) { while(b) { a %= b; swap(a,b); } return a; }
template<typename T> T lcm(T a, T b) { return a/gcd(a,b)*b; }
//------------------------------------------------------------------------------------------------//

/*
----------------------------------------------------------------
    END OF TEMPLATE
----------------------------------------------------------------
    Nguyen Ngoc Hung - nnhzzz
    Training for VOI24 gold medal
----------------------------------------------------------------
*/

struct Node{
    int w,x,y,t;
    Node(int w, int x, int y, int t):w(w),x(x),y(y),t(t){}
    bool operator < (const Node &other) const {
        return w>other.w;
    }
};

int dis[MAXN][MAXN],dp[MAXN][MAXN][5];
pii st,en;
int n,m,A,B,C;

bool ok(int x, int y){
    return x>=0 && y>=0 && x<=n && y<=m;
}

void solve(){
    n = readInt(); m = readInt();
    A = readInt(); B = readInt(); C = readInt();
    int tmp = readInt();
    memset(dis,0x3f,sizeof dis); memset(dp,0x3f,sizeof dp);
    priority_queue<Node> heap; queue<pii> q;
    REP(i,1,tmp){
        int x = readInt(),y = readInt();
        dis[x][y] = 0;
        q.emplace(x,y);
        if(i==1) st = MP(x,y);
        if(i==tmp) en = MP(x,y);
    }
    while(SZ(q)!=0){
        const auto &[x,y] = q.front(); q.pop();
        REP(i,0,3){
            int nx = x+dx[i],ny = y+dy[i];
            if(ok(nx,ny)==false) continue;
            if(mini(dis[nx][ny],dis[x][y]+1)){
                q.emplace(nx,ny);
            }
        }
    }
    heap.push(Node(0,st.fi,st.se,4));
    dp[st.fi][st.se][4] = 0; // i,j,4 - den o i,j dang du bong
    while(SZ(heap)!=0){
        const Node &node = heap.top(); heap.pop();
        int w1 = node.w,x = node.x,y = node.y,t = node.t;
        if(dp[x][y][t]!=w1) continue;
        if(t==4){
            REP(i,0,3){
                int nx = x+dx[i],ny = y+dy[i];
                if(ok(nx,ny)==false) continue;
                if(mini(dp[nx][ny][4],dp[x][y][4]+C)) heap.push(Node(dp[nx][ny][4],nx,ny,4));
                if(mini(dp[x][y][i],dp[x][y][4]+B)) heap.push(Node(dp[x][y][i],x,y,i));
            }
            continue;
        }
        int nx = x+dx[t],ny = y+dy[t];
        if(ok(nx,ny)==true && mini(dp[nx][ny][t],dp[x][y][t]+A)) heap.push(Node(dp[nx][ny][t],nx,ny,t));
        if(mini(dp[x][y][4],dp[x][y][t]+dis[x][y]*C)) heap.push(Node(dp[x][y][4],x,y,4));
    }
    cout << dp[en.fi][en.se][4];
}

__nnhzzz__{
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    #define name "test"
    if(fopen(name".inp","r")){
        freopen(name".inp","r",stdin);
        freopen(name".out","w",stdout);
    }
    #define name1 "nnhzzz"
    if(fopen(name1".inp","r")){
        freopen(name1".inp","r",stdin);
        freopen(name1".out","w",stdout);
    }

    int test = 1;

    while(test--){
      solve();
    }
    cerr << "\nTime elapsed: " << 1000*clock()/CLOCKS_PER_SEC << "ms\n";
    return 0;
}

Compilation message

soccer.cpp: In function 'void solve()':
soccer.cpp:122:21: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
  122 |         const auto &[x,y] = q.front(); q.pop();
      |                     ^
soccer.cpp: In function 'int main()':
soccer.cpp:158:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  158 |         freopen(name".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
soccer.cpp:159:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  159 |         freopen(name".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
soccer.cpp:163:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  163 |         freopen(name1".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
soccer.cpp:164:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  164 |         freopen(name1".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 14544 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 191 ms 21220 KB Output is correct
4 Correct 215 ms 22724 KB Output is correct
5 Correct 30 ms 12632 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 222 ms 22672 KB Output is correct
2 Correct 208 ms 21948 KB Output is correct
3 Correct 158 ms 22712 KB Output is correct
4 Correct 162 ms 22584 KB Output is correct
5 Correct 158 ms 22716 KB Output is correct
6 Correct 176 ms 22212 KB Output is correct
7 Correct 198 ms 22212 KB Output is correct
8 Correct 203 ms 21056 KB Output is correct
9 Correct 222 ms 22716 KB Output is correct
10 Correct 29 ms 14800 KB Output is correct
11 Correct 217 ms 21744 KB Output is correct
12 Incorrect 193 ms 21952 KB Output isn't correct
13 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 14544 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 191 ms 21220 KB Output is correct
4 Correct 215 ms 22724 KB Output is correct
5 Correct 30 ms 12632 KB Output is correct
6 Correct 222 ms 22672 KB Output is correct
7 Correct 208 ms 21948 KB Output is correct
8 Correct 158 ms 22712 KB Output is correct
9 Correct 162 ms 22584 KB Output is correct
10 Correct 158 ms 22716 KB Output is correct
11 Correct 176 ms 22212 KB Output is correct
12 Correct 198 ms 22212 KB Output is correct
13 Correct 203 ms 21056 KB Output is correct
14 Correct 222 ms 22716 KB Output is correct
15 Correct 29 ms 14800 KB Output is correct
16 Correct 217 ms 21744 KB Output is correct
17 Incorrect 193 ms 21952 KB Output isn't correct
18 Halted 0 ms 0 KB -