oj.uz

Submission #999756

# Submission time Handle Problem Language Result Execution time Memory
999756 2024-06-16T06:25:15 Z vjudge1 Awesome Arrowland Adventure (eJOI19_adventure) C++14
34 / 100
 3 ms 4700 KB 
/*       ==========================
        | Bismillahirrahmanirrahim | ⠀⠀ 
         ==========================
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠸⠁⠸⢳⡄⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⠃⠀⠀⢸⠸⠀⡠⣄⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡠⠃⠀⠀⢠⣞⣀⡿⠀⠀⣧⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣠⡖⠁⠀⠀⠀⢸⠈⢈⡇⠀⢀⡏⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⡴⠩⢠⡴⠀⠀⠀⠀⠀⠈⡶⠉⠀⠀⡸⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⢀⠎⢠⣇⠏⠀⠀⠀⠀⠀⠀⠀⠁⠀⢀⠄⡇⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⢠⠏⠀⢸⣿⣴⠀⠀⠀⠀⠀⠀⣆⣀⢾⢟⠴⡇⠀⠀⠀⠀⠀<===== this is wolf, not everest
⠀⠀⠀⠀⠀⢀⣿⠀⠠⣄⠸⢹⣦⠀⠀⡄⠀⠀⢋⡟⠀⠀⠁⣇⠀⠀⠀⠀⠀
⠀⠀⠀⠀⢀⡾⠁⢠⠀⣿⠃⠘⢹⣦⢠⣼⠀⠀⠉⠀⠀⠀⠀⢸⡀⠀⠀⠀⠀
⠀⠀⢀⣴⠫⠤⣶⣿⢀⡏⠀⠀⠘⢸⡟⠋⠀⠀⠀⠀⠀⠀⠀⠀⢳⠀⠀⠀⠀
⠐⠿⢿⣿⣤⣴⣿⣣⢾⡄⠀⠀⠀⠀⠳⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢣⠀⠀⠀
⠀⠀⠀⣨⣟⡍⠉⠚⠹⣇⡄⠀⠀⠀⠀⠀⠀⠀⠀⠈⢦⠀⠀⢀⡀⣾⡇⠀⠀
⠀⠀⢠⠟⣹⣧⠃⠀⠀⢿⢻⡀⢄⠀⠀⠀⠀⠐⣦⡀⣸⣆⠀⣾⣧⣯⢻⠀⠀
⠀⠀⠘⣰⣿⣿⡄⡆⠀⠀⠀⠳⣼⢦⡘⣄⠀⠀⡟⡷⠃⠘⢶⣿⡎⠻⣆⠀⠀
⠀⠀⠀⡟⡿⢿⡿⠀⠀⠀⠀⠀⠙⠀⠻⢯⢷⣼⠁⠁⠀⠀⠀⠙⢿⡄⡈⢆⠀
⠀⠀⠀⠀⡇⣿⡅⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⠦⠀⠀⠀⠀⠀⠀⡇⢹⢿⡀
⠀⠀⠀⠀⠁⠛⠓⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠇⠁ 

m : 11059739 -> l ~23
p : 4567896467
*/
#pragma GCC optimize("O3", "inline")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;
#define all(v) v.begin(), v.end()
#define ins insert
#define pb push_back
#define int long long int
#define pii pair<int, int>
#define str string
#define endl '\n'
#define drop(x) cout<<(x)<<endl;return;
// mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
template <class T> using ot = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

const int mod = 998244353, sze =8*1e5 + 10, inf = 1e9, prime = 4567896467;

int cost[500][500];
char arr[500][500];
int yc[sze];

int cc(char a,char b){
    if(yc[a]<=yc[b]){
        return yc[b]-yc[a];
    }
    return 4 - yc[a] + yc[b];
}
int n,m;
vector<char> yonler;
int used[500][500];
void dfs(int x,int y,int c=0){
    used[x][y]++;
    if(x==n-1 && y==m-1){
        if(cost[x][y]==-1){
            cost[x][y]=inf;
        }
        cost[x][y]=min(cost[x][y],c);

        return;
    }
    if(arr[x][y]=='X' || (x>=n || y>=m || x<0 || y<0 || used[x][y]>400 )|| ( cost[x][y]!=-1 && c>cost[x][y])){
        return;
    }
    // cout<<x<<" "<<y<<endl;
    if(cost[x][y]==-1){
        cost[x][y]=inf;
    }
    cost[x][y]=min(cost[x][y],c);
    
    for(auto v:yonler){
        if(v=='N'){
            dfs(x-1,y,c + cc(arr[x][y],v));
        }
        else if(v=='E'){
            dfs(x,y+1,c + cc(arr[x][y],v));
        }
        else if(v=='S'){
            dfs(x+1,y,c + cc(arr[x][y],v));
        }
        else if(v=='W'){
            dfs(x,y-1,c + cc(arr[x][y],v));
        }
    }
    // WNES
}
void mal(){
    cin>>n>>m;
    yonler={'N','E','S','W'};
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++){
            cin>>arr[i][j];
        }
    }
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++){
            cost[i][j]=-1;
        }
    }
    cost[0][0]=-1;
    cost[n-1][m-1]=-1;
    yc['N']=0;
    yc['E']=1;
    yc['S']=2;
    yc['W']=3;
    dfs(0,0);
    drop(cost[n-1][m-1]);
}

signed main() {
    cin.tie(0)->sync_with_stdio(0);
    int tt = 1;
    // cin>>tt;

    while (tt--) mal();
}

Compilation message

adventure.cpp: In function 'long long int cc(char, char)':
adventure.cpp:49:11: warning: array subscript has type 'char' [-Wchar-subscripts]
   49 |     if(yc[a]<=yc[b]){
      |           ^
adventure.cpp:49:18: warning: array subscript has type 'char' [-Wchar-subscripts]
   49 |     if(yc[a]<=yc[b]){
      |                  ^
adventure.cpp:50:19: warning: array subscript has type 'char' [-Wchar-subscripts]
   50 |         return yc[b]-yc[a];
      |                   ^
adventure.cpp:50:25: warning: array subscript has type 'char' [-Wchar-subscripts]
   50 |         return yc[b]-yc[a];
      |                         ^
adventure.cpp:52:19: warning: array subscript has type 'char' [-Wchar-subscripts]
   52 |     return 4 - yc[a] + yc[b];
      |                   ^
adventure.cpp:52:27: warning: array subscript has type 'char' [-Wchar-subscripts]
   52 |     return 4 - yc[a] + yc[b];
      |                           ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4564 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4700 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 0 ms 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4564 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4700 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 0 ms 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 2 ms 4564 KB Output is correct
13 Correct 3 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 3 ms 4628 KB Output is correct
17 Correct 2 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4608 KB Output is correct
20 Correct 3 ms 4440 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4532 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Incorrect 1 ms 4700 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4564 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4700 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 0 ms 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 2 ms 4564 KB Output is correct
13 Correct 3 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 3 ms 4628 KB Output is correct
17 Correct 2 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4608 KB Output is correct
20 Correct 3 ms 4440 KB Output is correct
21 Correct 1 ms 4440 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4532 KB Output is correct
25 Correct 1 ms 4440 KB Output is correct
26 Incorrect 1 ms 4700 KB Output isn't correct
27 Halted 0 ms 0 KB -