Submission #860277

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
860277	2023-10-12T12:40:59 Z	iskhakkutbilim	Nautilus (BOI19_nautilus)	C++17	66 / 100	1000 ms	52912 KB

nautilus

#include <bits/stdc++.h>
using namespace std;
 
#define int long long
#define ff first
#define ss second
#define all(a) a.begin(), a.end()
 
 
int n, m, q;
char a[501][501];
string s;
int in(int i, int j){
	return (i >= 1 && j >= 1 && i <= n && j <= m and a[i][j] == '.');
}
 
map<char, vector<pair<int, int> > >mp;
 
main(){
   ios::sync_with_stdio(0);
   cin.tie(0); cout.tie(0);
	cin >> n >> m >> q;
	for(int i = 1;i <= n; i++){
		for(int j = 1;j <= m; j++){
			cin >> a[i][j];
		}
	}
	mp['N'].push_back({-1, 0});
	mp['S'].push_back({1, 0});
	mp['E'].push_back({0, 1});
	mp['W'].push_back({0, -1});
 
	mp['?'].push_back({-1, 0});
	mp['?'].push_back({1, 0});
	mp['?'].push_back({0, 1});
	mp['?'].push_back({0, -1});
	cin >> s;
	vector< pair<int, int> > cells;
	for(int i = 1;i <= n; i++){
		for(int j = 1;j <= m; j++){
			if(a[i][j] != '#') cells.push_back({i, j});
		}
	}
	for(char ch : s){
		vector<pair<int, int> > new_cells;
		for(auto [i, j] : cells){
			for(auto [x, y] : mp[ch]){
				if(in(i + x, j + y)){
					new_cells.push_back({i + x, j + y});
				}
			}
		}
		swap(cells, new_cells);
		if(new_cells.empty()){
			break;
		}
		
		sort(all(cells));
		cells.erase(unique(all(cells)), cells.end());
		
	}
	cout << cells.size();
	return 0;
}

Compilation message

nautilus.cpp:19:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   19 | main(){
      | ^~~~

Subtask #1

29.0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	28 ms	1052 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	600 KB	Output is correct
6	Correct	0 ms	468 KB	Output is correct

Subtask #2

37.0 / 37.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	28 ms	1052 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	600 KB	Output is correct
6	Correct	0 ms	468 KB	Output is correct
7	Correct	78 ms	3140 KB	Output is correct
8	Correct	14 ms	1212 KB	Output is correct
9	Correct	4 ms	692 KB	Output is correct
10	Correct	1 ms	472 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	145 ms	3272 KB	Output is correct
13	Correct	111 ms	2240 KB	Output is correct
14	Correct	57 ms	1316 KB	Output is correct
15	Correct	3 ms	604 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	185 ms	2784 KB	Output is correct
18	Correct	147 ms	1840 KB	Output is correct
19	Correct	40 ms	844 KB	Output is correct
20	Correct	9 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	28 ms	1052 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	600 KB	Output is correct
6	Correct	0 ms	468 KB	Output is correct
7	Correct	78 ms	3140 KB	Output is correct
8	Correct	14 ms	1212 KB	Output is correct
9	Correct	4 ms	692 KB	Output is correct
10	Correct	1 ms	472 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	145 ms	3272 KB	Output is correct
13	Correct	111 ms	2240 KB	Output is correct
14	Correct	57 ms	1316 KB	Output is correct
15	Correct	3 ms	604 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	185 ms	2784 KB	Output is correct
18	Correct	147 ms	1840 KB	Output is correct
19	Correct	40 ms	844 KB	Output is correct
20	Correct	9 ms	600 KB	Output is correct
21	Correct	1 ms	548 KB	Output is correct
22	Execution timed out	1089 ms	52912 KB	Time limit exceeded
23	Halted	0 ms	0 KB	-