oj.uz

답안 #868170

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
868170 2023-10-30T16:08:06 Z nnhzzz Soccer (JOI17_soccer) C++14
35 / 100
 281 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)==true && 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:156:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  156 |         freopen(name".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
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".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
soccer.cpp:161:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  161 |         freopen(name1".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
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".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 47 ms 14724 KB Output is correct
2 Correct 3 ms 12376 KB Output is correct
3 Correct 186 ms 20932 KB Output is correct
4 Correct 221 ms 20932 KB Output is correct
5 Correct 30 ms 12632 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 202 ms 20936 KB Output is correct
2 Correct 194 ms 21732 KB Output is correct
3 Correct 160 ms 22464 KB Output is correct
4 Correct 159 ms 22724 KB Output is correct
5 Correct 156 ms 22704 KB Output is correct
6 Correct 176 ms 21628 KB Output is correct
7 Correct 209 ms 21432 KB Output is correct
8 Correct 210 ms 22796 KB Output is correct
9 Correct 193 ms 22464 KB Output is correct
10 Correct 29 ms 14796 KB Output is correct
11 Correct 211 ms 21692 KB Output is correct
12 Correct 189 ms 21948 KB Output is correct
13 Correct 136 ms 21968 KB Output is correct
14 Correct 219 ms 22136 KB Output is correct
15 Correct 147 ms 21316 KB Output is correct

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 47 ms 14724 KB Output is correct
2 Correct 3 ms 12376 KB Output is correct
3 Correct 186 ms 20932 KB Output is correct
4 Correct 221 ms 20932 KB Output is correct
5 Correct 30 ms 12632 KB Output is correct
6 Correct 202 ms 20936 KB Output is correct
7 Correct 194 ms 21732 KB Output is correct
8 Correct 160 ms 22464 KB Output is correct
9 Correct 159 ms 22724 KB Output is correct
10 Correct 156 ms 22704 KB Output is correct
11 Correct 176 ms 21628 KB Output is correct
12 Correct 209 ms 21432 KB Output is correct
13 Correct 210 ms 22796 KB Output is correct
14 Correct 193 ms 22464 KB Output is correct
15 Correct 29 ms 14796 KB Output is correct
16 Correct 211 ms 21692 KB Output is correct
17 Correct 189 ms 21948 KB Output is correct
18 Correct 136 ms 21968 KB Output is correct
19 Correct 219 ms 22136 KB Output is correct
20 Correct 147 ms 21316 KB Output is correct
21 Correct 39 ms 13012 KB Output is correct
22 Correct 281 ms 22460 KB Output is correct
23 Correct 222 ms 18116 KB Output is correct
24 Correct 258 ms 18248 KB Output is correct
25 Correct 233 ms 21980 KB Output is correct
26 Correct 244 ms 22844 KB Output is correct
27 Runtime error 23 ms 28876 KB Execution killed with signal 11
28 Halted 0 ms 0 KB -