oj.uz

Submission #868173

# Submission time Handle Problem Language Result Execution time Memory
868173 2023-10-30T16:16:04 Z nnhzzz Soccer (JOI17_soccer) C++14
100 / 100
 432 ms 35144 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              vvvi  vector<vvi>
#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 inf = 1e18,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][6];
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);
    vvvi dp(n+3,vvi(m+3,vi(6,inf))); vvi dis(n+3,vi(m+3,inf));
    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){
        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){
        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:123:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
  123 |         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);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 8404 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 245 ms 32816 KB Output is correct
4 Correct 274 ms 34544 KB Output is correct
5 Correct 36 ms 9308 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 303 ms 33468 KB Output is correct
2 Correct 276 ms 34420 KB Output is correct
3 Correct 200 ms 29584 KB Output is correct
4 Correct 185 ms 33208 KB Output is correct
5 Correct 210 ms 29816 KB Output is correct
6 Correct 208 ms 32684 KB Output is correct
7 Correct 333 ms 33784 KB Output is correct
8 Correct 260 ms 33280 KB Output is correct
9 Correct 326 ms 34628 KB Output is correct
10 Correct 40 ms 6652 KB Output is correct
11 Correct 360 ms 34892 KB Output is correct
12 Correct 295 ms 34264 KB Output is correct
13 Correct 159 ms 29384 KB Output is correct
14 Correct 303 ms 33028 KB Output is correct
15 Correct 239 ms 28732 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 8404 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 245 ms 32816 KB Output is correct
4 Correct 274 ms 34544 KB Output is correct
5 Correct 36 ms 9308 KB Output is correct
6 Correct 303 ms 33468 KB Output is correct
7 Correct 276 ms 34420 KB Output is correct
8 Correct 200 ms 29584 KB Output is correct
9 Correct 185 ms 33208 KB Output is correct
10 Correct 210 ms 29816 KB Output is correct
11 Correct 208 ms 32684 KB Output is correct
12 Correct 333 ms 33784 KB Output is correct
13 Correct 260 ms 33280 KB Output is correct
14 Correct 326 ms 34628 KB Output is correct
15 Correct 40 ms 6652 KB Output is correct
16 Correct 360 ms 34892 KB Output is correct
17 Correct 295 ms 34264 KB Output is correct
18 Correct 159 ms 29384 KB Output is correct
19 Correct 303 ms 33028 KB Output is correct
20 Correct 239 ms 28732 KB Output is correct
21 Correct 43 ms 9684 KB Output is correct
22 Correct 350 ms 33720 KB Output is correct
23 Correct 330 ms 28216 KB Output is correct
24 Correct 342 ms 30140 KB Output is correct
25 Correct 300 ms 33972 KB Output is correct
26 Correct 305 ms 33832 KB Output is correct
27 Correct 151 ms 26216 KB Output is correct
28 Correct 138 ms 26464 KB Output is correct
29 Correct 271 ms 30540 KB Output is correct
30 Correct 124 ms 25948 KB Output is correct
31 Correct 330 ms 32956 KB Output is correct
32 Correct 394 ms 35144 KB Output is correct
33 Correct 245 ms 33724 KB Output is correct
34 Correct 432 ms 33264 KB Output is correct
35 Correct 109 ms 25984 KB Output is correct