oj.uz

Submission #1046564

# Submission time Handle Problem Language Result Execution time Memory
1046564 2024-08-06T17:03:48 Z 1L1YA Maze (JOI23_ho_t3) C++17
8 / 100
 155 ms 350180 KB 
//1L1YA

#include<bits/stdc++.h>
using namespace std;

//#pragma GCC optimize ("O3,unrool-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")

typedef long long       ll;
typedef pair<ll,ll>     pll;
typedef pair<int,int>   pii;

#define Pb              push_back
#define F               first
#define S               second
#define endl            '\n'
#define sep             ' '
#define all(x)          x.begin(),x.end()
#define al(x,n)         x+1,x+n+1
#define SZ(x)           ((int)x.size())
#define lc              (id<<1)
#define rc              (lc|1)
#define mid             (l+r>>1)
#define dokme(x)        cout << x << endl, exit(0)
#define sik(x)          cout << x << endl;continue;
#define FastIO          ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define FileIO          freopen("input.txt","r",stdin);freopen("output.txt","w",stdout);

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const ll oo=1e18;
const int mod=1e9+7;
const int inf=1e9+111;
const int N=6e6+11;
const int lg=23;

int n,m,k,xs,ys,xt,yt,x[4]={1,-1,0,0},y[4]={0,0,1,-1};
vector<int> d[N];
string s[N];

void bfs(){
	queue<pii> Q;
	queue<pair<pii,pii>> QQ;
	for(int i=1;i<=n;i++)
		for(int j=1;j<=m;j++)
			d[i][j]=inf;
	d[xs][ys]=0;
	QQ.push({{xs,ys},{0,0}});
	while(!QQ.empty()){
		int p=QQ.front().F.F,q=QQ.front().F.S;QQ.pop();
		Q.push({p,q});
		for(int i=0;i<4;i++)
			if(p+x[i] && p+x[i]<=n && q+y[i] && q+y[i]<=m && d[p+x[i]][q+y[i]] && s[p+x[i]][q+y[i]]=='.'){
				d[p+x[i]][q+y[i]]=0;
				QQ.push({{p+x[i],q+y[i]},{0,0}});
			}
	}
	while(!Q.empty()){
		while(!Q.empty()){
			int p=Q.front().F,q=Q.front().S;Q.pop();
			for(int i=0;i<4;i++)
				if(p+x[i] && p+x[i]<=n && q+y[i] && q+y[i]<=m && d[p][q]+1<d[p+x[i]][q+y[i]]){
					d[p+x[i]][q+y[i]]=d[p][q]+1;
					QQ.push({{p+x[i],q+y[i]},{k-abs(x[i]),k-abs(y[i])}});
				}
		}
		while(!QQ.empty()){
			int p=QQ.front().F.F,q=QQ.front().F.S;
			pii val=QQ.front().S;
			QQ.pop();
			Q.push({p,q});
			for(int i=0;i<4;i++)
				if(p+x[i] && p+x[i]<=n && q+y[i] && q+y[i]<=m && d[p][q]<d[p+x[i]][q+y[i]] && ((val.F>0 && val.S>0) || s[p+x[i]][q+y[i]]=='.')){
					d[p+x[i]][q+y[i]]=d[p][q];
					QQ.push({{p+x[i],q+y[i]},{val.F-abs(x[i]),val.S-abs(y[i])}});
				}
		}
	}
}

int main(){
	FastIO

	cin >> n >> m >> k >> xs >> ys >> xt >> yt;
	for(int i=1;i<=n;i++){
		cin >> s[i];
		s[i]='#'+s[i];
		d[i].resize(m+1);
	}
	bfs();
	cout << (d[xt][yt]==inf?-1:d[xt][yt]) << endl;

	return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 329048 KB Output is correct
2 Correct 55 ms 328996 KB Output is correct
3 Correct 55 ms 329044 KB Output is correct
4 Correct 56 ms 329044 KB Output is correct
5 Correct 54 ms 329212 KB Output is correct
6 Correct 55 ms 329048 KB Output is correct
7 Correct 56 ms 329148 KB Output is correct
8 Correct 54 ms 329044 KB Output is correct
9 Correct 55 ms 329008 KB Output is correct
10 Correct 59 ms 329040 KB Output is correct
11 Correct 66 ms 329044 KB Output is correct
12 Correct 53 ms 329204 KB Output is correct
13 Correct 53 ms 329040 KB Output is correct
14 Correct 55 ms 329040 KB Output is correct
15 Correct 55 ms 329040 KB Output is correct
16 Correct 54 ms 328996 KB Output is correct
17 Correct 54 ms 328968 KB Output is correct
18 Correct 54 ms 328984 KB Output is correct
19 Correct 59 ms 329296 KB Output is correct
20 Correct 55 ms 329368 KB Output is correct
21 Correct 58 ms 330072 KB Output is correct
22 Correct 59 ms 329552 KB Output is correct
23 Correct 63 ms 329576 KB Output is correct
24 Correct 67 ms 329664 KB Output is correct
25 Correct 57 ms 329556 KB Output is correct
26 Correct 58 ms 329400 KB Output is correct
27 Correct 60 ms 329580 KB Output is correct
28 Correct 57 ms 329556 KB Output is correct
29 Correct 62 ms 330076 KB Output is correct
30 Correct 57 ms 329460 KB Output is correct
31 Correct 59 ms 331088 KB Output is correct
32 Correct 78 ms 330128 KB Output is correct
33 Correct 60 ms 330068 KB Output is correct
34 Correct 58 ms 330060 KB Output is correct
35 Correct 62 ms 330060 KB Output is correct
36 Correct 63 ms 330164 KB Output is correct
37 Correct 62 ms 330064 KB Output is correct
38 Correct 59 ms 330064 KB Output is correct
39 Correct 127 ms 338008 KB Output is correct
40 Correct 71 ms 330064 KB Output is correct
41 Correct 59 ms 330284 KB Output is correct
42 Correct 64 ms 330360 KB Output is correct
43 Correct 63 ms 330660 KB Output is correct
44 Correct 92 ms 333528 KB Output is correct
45 Correct 87 ms 334144 KB Output is correct
46 Correct 99 ms 350180 KB Output is correct
47 Correct 130 ms 338004 KB Output is correct
48 Correct 106 ms 338000 KB Output is correct
49 Correct 91 ms 337980 KB Output is correct
50 Correct 90 ms 337944 KB Output is correct
51 Correct 145 ms 338512 KB Output is correct
52 Correct 155 ms 338260 KB Output is correct
53 Correct 120 ms 338004 KB Output is correct

Subtask #2
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 329044 KB Output is correct
2 Correct 54 ms 329040 KB Output is correct
3 Correct 54 ms 329044 KB Output is correct
4 Correct 54 ms 328972 KB Output is correct
5 Correct 53 ms 329040 KB Output is correct
6 Correct 55 ms 329040 KB Output is correct
7 Correct 54 ms 329040 KB Output is correct
8 Correct 57 ms 329040 KB Output is correct
9 Correct 54 ms 329040 KB Output is correct
10 Correct 54 ms 329040 KB Output is correct
11 Correct 55 ms 329044 KB Output is correct
12 Correct 54 ms 329044 KB Output is correct
13 Correct 55 ms 329052 KB Output is correct
14 Correct 54 ms 329188 KB Output is correct
15 Correct 55 ms 329040 KB Output is correct
16 Correct 54 ms 329044 KB Output is correct
17 Incorrect 54 ms 328968 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 329048 KB Output is correct
2 Correct 53 ms 329044 KB Output is correct
3 Correct 56 ms 329040 KB Output is correct
4 Correct 55 ms 329008 KB Output is correct
5 Correct 54 ms 329040 KB Output is correct
6 Correct 54 ms 329040 KB Output is correct
7 Correct 54 ms 329040 KB Output is correct
8 Correct 53 ms 329044 KB Output is correct
9 Correct 54 ms 329040 KB Output is correct
10 Correct 54 ms 329044 KB Output is correct
11 Correct 53 ms 329040 KB Output is correct
12 Correct 55 ms 329040 KB Output is correct
13 Correct 55 ms 329044 KB Output is correct
14 Correct 55 ms 329032 KB Output is correct
15 Correct 55 ms 329052 KB Output is correct
16 Correct 55 ms 329068 KB Output is correct
17 Correct 56 ms 329044 KB Output is correct
18 Correct 54 ms 329044 KB Output is correct
19 Correct 53 ms 329044 KB Output is correct
20 Correct 53 ms 329052 KB Output is correct
21 Correct 54 ms 329044 KB Output is correct
22 Correct 59 ms 329040 KB Output is correct
23 Correct 53 ms 329052 KB Output is correct
24 Correct 53 ms 329156 KB Output is correct
25 Incorrect 55 ms 329248 KB Output isn't correct
26 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 329044 KB Output is correct
2 Correct 54 ms 329040 KB Output is correct
3 Correct 54 ms 329044 KB Output is correct
4 Correct 54 ms 328972 KB Output is correct
5 Correct 53 ms 329040 KB Output is correct
6 Correct 55 ms 329040 KB Output is correct
7 Correct 54 ms 329040 KB Output is correct
8 Correct 57 ms 329040 KB Output is correct
9 Correct 54 ms 329040 KB Output is correct
10 Correct 54 ms 329040 KB Output is correct
11 Correct 55 ms 329044 KB Output is correct
12 Correct 54 ms 329044 KB Output is correct
13 Correct 55 ms 329052 KB Output is correct
14 Correct 54 ms 329188 KB Output is correct
15 Correct 55 ms 329040 KB Output is correct
16 Correct 54 ms 329044 KB Output is correct
17 Incorrect 54 ms 328968 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 329044 KB Output is correct
2 Correct 54 ms 329040 KB Output is correct
3 Correct 54 ms 329044 KB Output is correct
4 Correct 54 ms 328972 KB Output is correct
5 Correct 53 ms 329040 KB Output is correct
6 Correct 55 ms 329040 KB Output is correct
7 Correct 54 ms 329040 KB Output is correct
8 Correct 57 ms 329040 KB Output is correct
9 Correct 54 ms 329040 KB Output is correct
10 Correct 54 ms 329040 KB Output is correct
11 Correct 55 ms 329044 KB Output is correct
12 Correct 54 ms 329044 KB Output is correct
13 Correct 55 ms 329052 KB Output is correct
14 Correct 54 ms 329188 KB Output is correct
15 Correct 55 ms 329040 KB Output is correct
16 Correct 54 ms 329044 KB Output is correct
17 Incorrect 54 ms 328968 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #6
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 329048 KB Output is correct
2 Correct 55 ms 328996 KB Output is correct
3 Correct 55 ms 329044 KB Output is correct
4 Correct 56 ms 329044 KB Output is correct
5 Correct 54 ms 329212 KB Output is correct
6 Correct 55 ms 329048 KB Output is correct
7 Correct 56 ms 329148 KB Output is correct
8 Correct 54 ms 329044 KB Output is correct
9 Correct 55 ms 329008 KB Output is correct
10 Correct 59 ms 329040 KB Output is correct
11 Correct 66 ms 329044 KB Output is correct
12 Correct 53 ms 329204 KB Output is correct
13 Correct 53 ms 329040 KB Output is correct
14 Correct 55 ms 329040 KB Output is correct
15 Correct 55 ms 329040 KB Output is correct
16 Correct 54 ms 328996 KB Output is correct
17 Correct 54 ms 328968 KB Output is correct
18 Correct 54 ms 328984 KB Output is correct
19 Correct 59 ms 329296 KB Output is correct
20 Correct 55 ms 329368 KB Output is correct
21 Correct 58 ms 330072 KB Output is correct
22 Correct 59 ms 329552 KB Output is correct
23 Correct 63 ms 329576 KB Output is correct
24 Correct 67 ms 329664 KB Output is correct
25 Correct 57 ms 329556 KB Output is correct
26 Correct 58 ms 329400 KB Output is correct
27 Correct 60 ms 329580 KB Output is correct
28 Correct 57 ms 329556 KB Output is correct
29 Correct 62 ms 330076 KB Output is correct
30 Correct 57 ms 329460 KB Output is correct
31 Correct 59 ms 331088 KB Output is correct
32 Correct 78 ms 330128 KB Output is correct
33 Correct 60 ms 330068 KB Output is correct
34 Correct 58 ms 330060 KB Output is correct
35 Correct 62 ms 330060 KB Output is correct
36 Correct 63 ms 330164 KB Output is correct
37 Correct 62 ms 330064 KB Output is correct
38 Correct 59 ms 330064 KB Output is correct
39 Correct 127 ms 338008 KB Output is correct
40 Correct 71 ms 330064 KB Output is correct
41 Correct 59 ms 330284 KB Output is correct
42 Correct 64 ms 330360 KB Output is correct
43 Correct 63 ms 330660 KB Output is correct
44 Correct 92 ms 333528 KB Output is correct
45 Correct 87 ms 334144 KB Output is correct
46 Correct 99 ms 350180 KB Output is correct
47 Correct 130 ms 338004 KB Output is correct
48 Correct 106 ms 338000 KB Output is correct
49 Correct 91 ms 337980 KB Output is correct
50 Correct 90 ms 337944 KB Output is correct
51 Correct 145 ms 338512 KB Output is correct
52 Correct 155 ms 338260 KB Output is correct
53 Correct 120 ms 338004 KB Output is correct
54 Correct 53 ms 329044 KB Output is correct
55 Correct 54 ms 329040 KB Output is correct
56 Correct 54 ms 329044 KB Output is correct
57 Correct 54 ms 328972 KB Output is correct
58 Correct 53 ms 329040 KB Output is correct
59 Correct 55 ms 329040 KB Output is correct
60 Correct 54 ms 329040 KB Output is correct
61 Correct 57 ms 329040 KB Output is correct
62 Correct 54 ms 329040 KB Output is correct
63 Correct 54 ms 329040 KB Output is correct
64 Correct 55 ms 329044 KB Output is correct
65 Correct 54 ms 329044 KB Output is correct
66 Correct 55 ms 329052 KB Output is correct
67 Correct 54 ms 329188 KB Output is correct
68 Correct 55 ms 329040 KB Output is correct
69 Correct 54 ms 329044 KB Output is correct
70 Incorrect 54 ms 328968 KB Output isn't correct
71 Halted 0 ms 0 KB -

Subtask #7
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 329048 KB Output is correct
2 Correct 55 ms 328996 KB Output is correct
3 Correct 55 ms 329044 KB Output is correct
4 Correct 56 ms 329044 KB Output is correct
5 Correct 54 ms 329212 KB Output is correct
6 Correct 55 ms 329048 KB Output is correct
7 Correct 56 ms 329148 KB Output is correct
8 Correct 54 ms 329044 KB Output is correct
9 Correct 55 ms 329008 KB Output is correct
10 Correct 59 ms 329040 KB Output is correct
11 Correct 66 ms 329044 KB Output is correct
12 Correct 53 ms 329204 KB Output is correct
13 Correct 53 ms 329040 KB Output is correct
14 Correct 55 ms 329040 KB Output is correct
15 Correct 55 ms 329040 KB Output is correct
16 Correct 54 ms 328996 KB Output is correct
17 Correct 54 ms 328968 KB Output is correct
18 Correct 54 ms 328984 KB Output is correct
19 Correct 59 ms 329296 KB Output is correct
20 Correct 55 ms 329368 KB Output is correct
21 Correct 58 ms 330072 KB Output is correct
22 Correct 59 ms 329552 KB Output is correct
23 Correct 63 ms 329576 KB Output is correct
24 Correct 67 ms 329664 KB Output is correct
25 Correct 57 ms 329556 KB Output is correct
26 Correct 58 ms 329400 KB Output is correct
27 Correct 60 ms 329580 KB Output is correct
28 Correct 57 ms 329556 KB Output is correct
29 Correct 62 ms 330076 KB Output is correct
30 Correct 57 ms 329460 KB Output is correct
31 Correct 59 ms 331088 KB Output is correct
32 Correct 78 ms 330128 KB Output is correct
33 Correct 60 ms 330068 KB Output is correct
34 Correct 58 ms 330060 KB Output is correct
35 Correct 62 ms 330060 KB Output is correct
36 Correct 63 ms 330164 KB Output is correct
37 Correct 62 ms 330064 KB Output is correct
38 Correct 59 ms 330064 KB Output is correct
39 Correct 127 ms 338008 KB Output is correct
40 Correct 71 ms 330064 KB Output is correct
41 Correct 59 ms 330284 KB Output is correct
42 Correct 64 ms 330360 KB Output is correct
43 Correct 63 ms 330660 KB Output is correct
44 Correct 92 ms 333528 KB Output is correct
45 Correct 87 ms 334144 KB Output is correct
46 Correct 99 ms 350180 KB Output is correct
47 Correct 130 ms 338004 KB Output is correct
48 Correct 106 ms 338000 KB Output is correct
49 Correct 91 ms 337980 KB Output is correct
50 Correct 90 ms 337944 KB Output is correct
51 Correct 145 ms 338512 KB Output is correct
52 Correct 155 ms 338260 KB Output is correct
53 Correct 120 ms 338004 KB Output is correct
54 Correct 53 ms 329044 KB Output is correct
55 Correct 54 ms 329040 KB Output is correct
56 Correct 54 ms 329044 KB Output is correct
57 Correct 54 ms 328972 KB Output is correct
58 Correct 53 ms 329040 KB Output is correct
59 Correct 55 ms 329040 KB Output is correct
60 Correct 54 ms 329040 KB Output is correct
61 Correct 57 ms 329040 KB Output is correct
62 Correct 54 ms 329040 KB Output is correct
63 Correct 54 ms 329040 KB Output is correct
64 Correct 55 ms 329044 KB Output is correct
65 Correct 54 ms 329044 KB Output is correct
66 Correct 55 ms 329052 KB Output is correct
67 Correct 54 ms 329188 KB Output is correct
68 Correct 55 ms 329040 KB Output is correct
69 Correct 54 ms 329044 KB Output is correct
70 Incorrect 54 ms 328968 KB Output isn't correct
71 Halted 0 ms 0 KB -

Subtask #8
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 329048 KB Output is correct
2 Correct 55 ms 328996 KB Output is correct
3 Correct 55 ms 329044 KB Output is correct
4 Correct 56 ms 329044 KB Output is correct
5 Correct 54 ms 329212 KB Output is correct
6 Correct 55 ms 329048 KB Output is correct
7 Correct 56 ms 329148 KB Output is correct
8 Correct 54 ms 329044 KB Output is correct
9 Correct 55 ms 329008 KB Output is correct
10 Correct 59 ms 329040 KB Output is correct
11 Correct 66 ms 329044 KB Output is correct
12 Correct 53 ms 329204 KB Output is correct
13 Correct 53 ms 329040 KB Output is correct
14 Correct 55 ms 329040 KB Output is correct
15 Correct 55 ms 329040 KB Output is correct
16 Correct 54 ms 328996 KB Output is correct
17 Correct 54 ms 328968 KB Output is correct
18 Correct 54 ms 328984 KB Output is correct
19 Correct 59 ms 329296 KB Output is correct
20 Correct 55 ms 329368 KB Output is correct
21 Correct 58 ms 330072 KB Output is correct
22 Correct 59 ms 329552 KB Output is correct
23 Correct 63 ms 329576 KB Output is correct
24 Correct 67 ms 329664 KB Output is correct
25 Correct 57 ms 329556 KB Output is correct
26 Correct 58 ms 329400 KB Output is correct
27 Correct 60 ms 329580 KB Output is correct
28 Correct 57 ms 329556 KB Output is correct
29 Correct 62 ms 330076 KB Output is correct
30 Correct 57 ms 329460 KB Output is correct
31 Correct 59 ms 331088 KB Output is correct
32 Correct 78 ms 330128 KB Output is correct
33 Correct 60 ms 330068 KB Output is correct
34 Correct 58 ms 330060 KB Output is correct
35 Correct 62 ms 330060 KB Output is correct
36 Correct 63 ms 330164 KB Output is correct
37 Correct 62 ms 330064 KB Output is correct
38 Correct 59 ms 330064 KB Output is correct
39 Correct 127 ms 338008 KB Output is correct
40 Correct 71 ms 330064 KB Output is correct
41 Correct 59 ms 330284 KB Output is correct
42 Correct 64 ms 330360 KB Output is correct
43 Correct 63 ms 330660 KB Output is correct
44 Correct 92 ms 333528 KB Output is correct
45 Correct 87 ms 334144 KB Output is correct
46 Correct 99 ms 350180 KB Output is correct
47 Correct 130 ms 338004 KB Output is correct
48 Correct 106 ms 338000 KB Output is correct
49 Correct 91 ms 337980 KB Output is correct
50 Correct 90 ms 337944 KB Output is correct
51 Correct 145 ms 338512 KB Output is correct
52 Correct 155 ms 338260 KB Output is correct
53 Correct 120 ms 338004 KB Output is correct
54 Correct 53 ms 329044 KB Output is correct
55 Correct 54 ms 329040 KB Output is correct
56 Correct 54 ms 329044 KB Output is correct
57 Correct 54 ms 328972 KB Output is correct
58 Correct 53 ms 329040 KB Output is correct
59 Correct 55 ms 329040 KB Output is correct
60 Correct 54 ms 329040 KB Output is correct
61 Correct 57 ms 329040 KB Output is correct
62 Correct 54 ms 329040 KB Output is correct
63 Correct 54 ms 329040 KB Output is correct
64 Correct 55 ms 329044 KB Output is correct
65 Correct 54 ms 329044 KB Output is correct
66 Correct 55 ms 329052 KB Output is correct
67 Correct 54 ms 329188 KB Output is correct
68 Correct 55 ms 329040 KB Output is correct
69 Correct 54 ms 329044 KB Output is correct
70 Incorrect 54 ms 328968 KB Output isn't correct
71 Halted 0 ms 0 KB -