oj.uz

Submission #925889

# Submission time Handle Problem Language Result Execution time Memory
925889 2024-02-12T10:24:14 Z vjudge1 Nautilus (BOI19_nautilus) C++17
66 / 100
 1000 ms 39948 KB 
/*
no more temmy :(
*/

#include<bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp> 
using namespace __gnu_pbds;
// #include<icecream.hpp>
// using namespace icecream;
#define ll long long
#define int ll
#define ld long double
#define y1 cheza
// mt19937 rng(1983413);
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
template<class T> using ordered_set = tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;
const int N=510;
const int M=1e6;
const int B=317;
const int mod=998244353;
const int INF=1e18;
const int lg=64;
const int dx[]={1,-1,0,0};
const int dy[]={0,0,1,-1};
const double eps=1e-9;
int n,m,k;
char a[N][N];
int rv[N];
string s;
bool check(int x,int y){
    if(x<1||y<1||x>n||y>m||a[x][y]=='#')return 0;
    return 1;
}
vector<pair<int,int>>q,q2;
void shrink(){
    sort(q.begin(),q.end());
    q.resize(unique(q.begin(),q.end())-q.begin());
}
void test(){
    cin>>n>>m>>k;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            cin>>a[i][j];
        }
    }
    cin>>s;
  
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            if(a[i][j]=='.'){
                q.push_back({i,j});
            }
        }   
    }
    for(int i=0;i<k;i++){
        for(auto [x,y]:q){
            if(s[i]=='?'){
                for(int j=0;j<4;j++){
                    int x1=x+dx[j];
                    int y1=y+dy[j];
                    if(check(x1,y1)){
                        q2.push_back({x1,y1});
                    }
                }
            }
            else{
                for(int j=rv[s[i]];j<=rv[s[i]];j++){
                    int x1=x+dx[j];
                    int y1=y+dy[j];
                    if(check(x1,y1)){
                        q2.push_back({x1,y1});
                    }
                }
            }
        }
        q.swap(q2);
        q2.clear();
        shrink();
    }
    cout<<q.size()<<'\n';
}
/*

*/  
 
signed main(){
    rv['N']=1;
    rv['S']=0;
    rv['W']=3;
    rv['E']=2;
    // ic.prefix("debug->| ");
    // freopen("input.txt","r",stdin);
    // freopen("output.txt","w",stdout);

    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    // cout.tie(nullptr);
    long long t2=1;
    //  cin>>t2;
    for(int i=1;i<=t2;i++){
        test();
    }
    
    return 0;
 
}

Compilation message

nautilus.cpp: In function 'void test()':
nautilus.cpp:70:34: warning: array subscript has type 'char' [-Wchar-subscripts]
   70 |                 for(int j=rv[s[i]];j<=rv[s[i]];j++){
      |                                  ^
nautilus.cpp:70:46: warning: array subscript has type 'char' [-Wchar-subscripts]
   70 |                 for(int j=rv[s[i]];j<=rv[s[i]];j++){
      |                                              ^

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 988 KB Output is correct
2 Correct 2 ms 860 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 344 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 988 KB Output is correct
2 Correct 2 ms 860 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 65 ms 2128 KB Output is correct
8 Correct 12 ms 980 KB Output is correct
9 Correct 4 ms 860 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 117 ms 2124 KB Output is correct
13 Correct 96 ms 1492 KB Output is correct
14 Correct 50 ms 980 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 156 ms 2128 KB Output is correct
18 Correct 130 ms 1488 KB Output is correct
19 Correct 37 ms 856 KB Output is correct
20 Correct 8 ms 600 KB Output is correct
21 Correct 1 ms 548 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 988 KB Output is correct
2 Correct 2 ms 860 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 65 ms 2128 KB Output is correct
8 Correct 12 ms 980 KB Output is correct
9 Correct 4 ms 860 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 117 ms 2124 KB Output is correct
13 Correct 96 ms 1492 KB Output is correct
14 Correct 50 ms 980 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 156 ms 2128 KB Output is correct
18 Correct 130 ms 1488 KB Output is correct
19 Correct 37 ms 856 KB Output is correct
20 Correct 8 ms 600 KB Output is correct
21 Correct 1 ms 548 KB Output is correct
22 Execution timed out 1022 ms 39948 KB Time limit exceeded
23 Halted 0 ms 0 KB -