oj.uz

답안 #868169

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
868169 2023-10-30T16:06:30 Z nnhzzz Soccer (JOI17_soccer) C++14
35 / 100
 290 ms 28876 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[] = {0,0,-1,1},dy[] = {-1,1,0,0};
//------------------------------------------------------------------------------------------------//
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:121:21: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
  121 |         const auto &[x,y] = q.front(); q.pop();
      |                     ^
soccer.cpp: In function 'int main()':
soccer.cpp:157:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  157 |         freopen(name".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
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".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
soccer.cpp:162:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  162 |         freopen(name1".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
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".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 45 ms 14548 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 196 ms 21508 KB Output is correct
4 Correct 196 ms 21956 KB Output is correct
5 Correct 31 ms 12632 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 196 ms 21312 KB Output is correct
2 Correct 209 ms 21696 KB Output is correct
3 Correct 157 ms 22716 KB Output is correct
4 Correct 158 ms 22612 KB Output is correct
5 Correct 156 ms 22404 KB Output is correct
6 Correct 174 ms 21444 KB Output is correct
7 Correct 194 ms 21436 KB Output is correct
8 Correct 210 ms 21320 KB Output is correct
9 Correct 189 ms 21176 KB Output is correct
10 Correct 29 ms 14800 KB Output is correct
11 Correct 193 ms 22720 KB Output is correct
12 Correct 198 ms 21692 KB Output is correct
13 Correct 138 ms 22224 KB Output is correct
14 Correct 188 ms 22716 KB Output is correct
15 Correct 157 ms 22852 KB Output is correct

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 45 ms 14548 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 196 ms 21508 KB Output is correct
4 Correct 196 ms 21956 KB Output is correct
5 Correct 31 ms 12632 KB Output is correct
6 Correct 196 ms 21312 KB Output is correct
7 Correct 209 ms 21696 KB Output is correct
8 Correct 157 ms 22716 KB Output is correct
9 Correct 158 ms 22612 KB Output is correct
10 Correct 156 ms 22404 KB Output is correct
11 Correct 174 ms 21444 KB Output is correct
12 Correct 194 ms 21436 KB Output is correct
13 Correct 210 ms 21320 KB Output is correct
14 Correct 189 ms 21176 KB Output is correct
15 Correct 29 ms 14800 KB Output is correct
16 Correct 193 ms 22720 KB Output is correct
17 Correct 198 ms 21692 KB Output is correct
18 Correct 138 ms 22224 KB Output is correct
19 Correct 188 ms 22716 KB Output is correct
20 Correct 157 ms 22852 KB Output is correct
21 Correct 37 ms 13032 KB Output is correct
22 Correct 290 ms 22812 KB Output is correct
23 Correct 269 ms 17836 KB Output is correct
24 Correct 253 ms 18668 KB Output is correct
25 Correct 230 ms 21728 KB Output is correct
26 Correct 246 ms 22324 KB Output is correct
27 Runtime error 23 ms 28876 KB Execution killed with signal 11
28 Halted 0 ms 0 KB -