Submission #309220

# Submission time Handle Problem Language Result Execution time Memory
309220 2020-10-02T22:29:37 Z sofapuden Mecho (IOI09_mecho) C++14
15 / 100
813 ms 65540 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+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+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+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)+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, 100000));
	
	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] = 100000;}
			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], 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 0 ms 256 KB Output isn't correct
2 Incorrect 0 ms 256 KB Output isn't correct
3 Incorrect 0 ms 256 KB Output isn't correct
4 Incorrect 1 ms 256 KB Output isn't correct
5 Correct 0 ms 256 KB Output is correct
6 Incorrect 0 ms 256 KB Output isn't correct
7 Runtime error 492 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Incorrect 1 ms 384 KB Output isn't correct
13 Runtime error 646 ms 65536 KB Execution killed with signal 9 (could be triggered by violating memory limits)
14 Runtime error 646 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
15 Incorrect 1 ms 256 KB Output isn't correct
16 Correct 0 ms 256 KB Output is correct
17 Incorrect 1 ms 384 KB Output isn't correct
18 Correct 0 ms 256 KB Output is correct
19 Incorrect 0 ms 256 KB Output isn't correct
20 Correct 1 ms 256 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 308 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 14 ms 1408 KB Output is correct
35 Runtime error 419 ms 65536 KB Execution killed with signal 9 (could be triggered by violating memory limits)
36 Incorrect 16 ms 1792 KB Output isn't correct
37 Correct 16 ms 1792 KB Output is correct
38 Runtime error 433 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
39 Incorrect 20 ms 2176 KB Output isn't correct
40 Correct 20 ms 2208 KB Output is correct
41 Runtime error 474 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
42 Incorrect 25 ms 2816 KB Output isn't correct
43 Correct 25 ms 2816 KB Output is correct
44 Runtime error 436 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
45 Incorrect 32 ms 3328 KB Output isn't correct
46 Correct 31 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 38 ms 3832 KB Output isn't correct
49 Correct 35 ms 3712 KB Output is correct
50 Runtime error 454 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
51 Incorrect 47 ms 4344 KB Output isn't correct
52 Incorrect 43 ms 4352 KB Output isn't correct
53 Runtime error 463 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
54 Incorrect 55 ms 4864 KB Output isn't correct
55 Incorrect 52 ms 4856 KB Output isn't correct
56 Runtime error 467 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
57 Incorrect 63 ms 5504 KB Output isn't correct
58 Incorrect 65 ms 5504 KB Output isn't correct
59 Runtime error 485 ms 65536 KB Execution killed with signal 9 (could be triggered by violating memory limits)
60 Incorrect 69 ms 6136 KB Output isn't correct
61 Incorrect 74 ms 6144 KB Output isn't correct
62 Runtime error 499 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
63 Incorrect 79 ms 6136 KB Output isn't correct
64 Correct 134 ms 6144 KB Output is correct
65 Correct 133 ms 6136 KB Output is correct
66 Incorrect 98 ms 6144 KB Output isn't correct
67 Correct 92 ms 6160 KB Output is correct
68 Incorrect 88 ms 6392 KB Output isn't correct
69 Correct 95 ms 6392 KB Output is correct
70 Incorrect 78 ms 6392 KB Output isn't correct
71 Incorrect 82 ms 6416 KB Output isn't correct
72 Incorrect 79 ms 6396 KB Output isn't correct
73 Runtime error 469 ms 65536 KB Execution killed with signal 9 (could be triggered by violating memory limits)
74 Runtime error 703 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
75 Runtime error 597 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
76 Runtime error 620 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
77 Runtime error 813 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
78 Runtime error 703 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
79 Runtime error 700 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
80 Runtime error 694 ms 65536 KB Execution killed with signal 9 (could be triggered by violating memory limits)
81 Runtime error 704 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
82 Runtime error 691 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
83 Runtime error 742 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
84 Runtime error 684 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
85 Runtime error 722 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
86 Runtime error 768 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
87 Runtime error 683 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
88 Runtime error 499 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 509 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
91 Runtime error 500 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
92 Runtime error 506 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)