Submission #309229

# Submission time Handle Problem Language Result Execution time Memory
309229 2020-10-02T22:44:34 Z sofapuden Mecho (IOI09_mecho) C++14
23 / 100
811 ms 65544 KB
#include <bits/stdc++.h>

using namespace std;

#define f first
#define s second

int n, k;
bool ok = 0;

pair<int,int> sta, en;

vector<string> G;
vector<vector<int>> V;
vector<vector<int>> vis;

queue<pair<pair<int,int>,int>> Q;

auto cmp = [](pair<pair<int,int>,pair<int,int>> l, pair<pair<int,int>,pair<int,int>> r){
	if(l.f.f != r.f.f)return l.f.f < r.f.f;
	return l.f.s > r.f.s;
};
priority_queue<pair<pair<int,int>,pair<int,int>>, vector<pair<pair<int,int>,pair<int,int>>>, decltype(cmp)> PQ(cmp);

void fin(pair<pair<int,int>,pair<int,int>> now){
	if(vis[now.s.f][now.s.s] < now.f.s)return;
	vis[now.s.f][now.s.s] = now.f.s;
	if(now.s == en){cout << now.f.f << "\n";ok = 1;return;}
	if(now.s.f != n-1){
		if(V[now.s.f+1][now.s.s] > now.f.s/k-1){
			PQ.push({{min(V[now.s.f+1][now.s.s]-now.f.s/k-1,now.f.f), now.f.s+1},{now.s.f+1,now.s.s}});
		}
	}
	if(now.s.s != n-1){
		if(V[now.s.f][now.s.s+1] > now.f.s/k-1){
			PQ.push({{min(V[now.s.f][now.s.s+1]-now.f.s/k-1,now.f.f), now.f.s+1},{now.s.f,now.s.s+1}});
		}
	}
	
	if(now.s.f != 0){
		if(V[now.s.f-1][now.s.s] > now.f.s/k-1){
			PQ.push({{min(V[now.s.f-1][now.s.s]-now.f.s/k-1,now.f.f), now.f.s+1},{now.s.f-1,now.s.s}});
		}
	}
	
	if(now.s.s != 0){
		if(V[now.s.f][now.s.s-1] > now.f.s/k-1){
			PQ.push({{min(V[now.s.f][now.s.s-1]-now.f.s/k-1,now.f.f), now.f.s+1},{now.s.f,now.s.s-1}});
		}
	}

			
}
	
	
	

void search(pair<pair<int,int>,int> now){
	if(now.f.f < 0 || now.f.s < 0 || now.f.f >= n || now.f.s >= n)return;
	if(V[now.f.f][now.f.s] != -1)return;
	V[now.f.f][now.f.s] = now.s;
	Q.push({{now.f.f-1,now.f.s},now.s+1});
	Q.push({{now.f.f+1,now.f.s},now.s+1});
	Q.push({{now.f.f,now.f.s-1},now.s+1});
	Q.push({{now.f.f,now.f.s+1},now.s+1});
}

int main(){ 
	cin >> n >> k;
	G.resize(n);
	V.resize(n, vector<int> (n,-1));
	vis.resize(n, vector<int> (n, 1000000));
	
	for(auto &x : G)cin >> x;
	for(int i = 0; i < n; ++i){
		for(int j = 0; j < n; ++j){
			if(G[i][j] == 'T')V[i][j] = -2;
			if(G[i][j] == 'M')sta = {i,j};
			if(G[i][j] == 'D'){en = {i,j};V[i][j] = 1000000;}
			if(G[i][j] == 'H')Q.push({{i,j},0});
		}
	}
	while(!Q.empty()){
		auto x = Q.front();
		Q.pop();
		search(x);
	}
	//for(int i = 0; i < n; ++i){
		//for(int j = 0; j < n; ++j){
			//cout << V[i][j] << " ";
		//}
		//cout << "\n";
	//}
	PQ.push({{V[sta.f][sta.s]-1, 0},sta});
	while(!PQ.empty()){
		auto x = PQ.top();
		PQ.pop();
		//cout << x.f.f << " " << x.f.s << " " << x.s.f << " " << x.s.s << "\n";
		fin(x);
		if(ok)break;
		
	}
	if(!ok)cout << -1 << "\n";
}
	
	
	
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 512 KB Output isn't correct
2 Incorrect 0 ms 384 KB Output isn't correct
3 Incorrect 1 ms 384 KB Output isn't correct
4 Incorrect 0 ms 256 KB Output isn't correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Runtime error 490 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
8 Incorrect 1 ms 256 KB Output isn't correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Runtime error 641 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
14 Runtime error 649 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
15 Incorrect 0 ms 256 KB Output isn't correct
16 Correct 0 ms 256 KB Output is correct
17 Incorrect 0 ms 384 KB Output isn't correct
18 Correct 0 ms 256 KB Output is correct
19 Incorrect 0 ms 384 KB Output isn't correct
20 Correct 1 ms 384 KB Output is correct
21 Incorrect 1 ms 384 KB Output isn't correct
22 Correct 1 ms 384 KB Output is correct
23 Incorrect 1 ms 384 KB Output isn't correct
24 Correct 1 ms 384 KB Output is correct
25 Incorrect 1 ms 384 KB Output isn't correct
26 Correct 1 ms 384 KB Output is correct
27 Incorrect 1 ms 384 KB Output isn't correct
28 Correct 1 ms 384 KB Output is correct
29 Incorrect 1 ms 384 KB Output isn't correct
30 Correct 1 ms 384 KB Output is correct
31 Incorrect 1 ms 384 KB Output isn't correct
32 Correct 1 ms 384 KB Output is correct
33 Incorrect 12 ms 1536 KB Output isn't correct
34 Correct 13 ms 1408 KB Output is correct
35 Runtime error 423 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
36 Incorrect 15 ms 1792 KB Output isn't correct
37 Correct 16 ms 1792 KB Output is correct
38 Runtime error 422 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
39 Incorrect 20 ms 2304 KB Output isn't correct
40 Correct 20 ms 2176 KB Output is correct
41 Runtime error 435 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
42 Incorrect 24 ms 2816 KB Output isn't correct
43 Correct 25 ms 2816 KB Output is correct
44 Runtime error 443 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
45 Incorrect 30 ms 3320 KB Output isn't correct
46 Correct 30 ms 3200 KB Output is correct
47 Runtime error 450 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
48 Incorrect 34 ms 3840 KB Output isn't correct
49 Correct 35 ms 3716 KB Output is correct
50 Runtime error 453 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
51 Incorrect 40 ms 4344 KB Output isn't correct
52 Correct 42 ms 4352 KB Output is correct
53 Runtime error 462 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
54 Incorrect 47 ms 4864 KB Output isn't correct
55 Correct 47 ms 4864 KB Output is correct
56 Runtime error 473 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
57 Incorrect 53 ms 5504 KB Output isn't correct
58 Correct 58 ms 5752 KB Output is correct
59 Runtime error 498 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
60 Incorrect 61 ms 6136 KB Output isn't correct
61 Correct 63 ms 6136 KB Output is correct
62 Runtime error 490 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
63 Correct 128 ms 6136 KB Output is correct
64 Correct 133 ms 6240 KB Output is correct
65 Correct 135 ms 6272 KB Output is correct
66 Incorrect 122 ms 6140 KB Output isn't correct
67 Correct 108 ms 6136 KB Output is correct
68 Correct 94 ms 6392 KB Output is correct
69 Correct 98 ms 6392 KB Output is correct
70 Correct 90 ms 6392 KB Output is correct
71 Correct 89 ms 6396 KB Output is correct
72 Correct 79 ms 6392 KB Output is correct
73 Runtime error 480 ms 65544 KB Execution killed with signal 9 (could be triggered by violating memory limits)
74 Runtime error 705 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
75 Runtime error 595 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
76 Runtime error 609 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
77 Runtime error 811 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
78 Runtime error 696 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
79 Runtime error 699 ms 65536 KB Execution killed with signal 9 (could be triggered by violating memory limits)
80 Runtime error 700 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
81 Runtime error 706 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
82 Runtime error 695 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
83 Runtime error 740 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
84 Runtime error 693 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
85 Runtime error 732 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
86 Runtime error 779 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
87 Runtime error 675 ms 65536 KB Execution killed with signal 9 (could be triggered by violating memory limits)
88 Runtime error 492 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
89 Runtime error 717 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
90 Runtime error 505 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
91 Runtime error 504 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
92 Runtime error 501 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)