# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
476427 |
2021-09-26T17:59:41 Z |
Morley |
Mecho (IOI09_mecho) |
C++14 |
|
410 ms |
65540 KB |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vi = vector<int>;
using vl = vector<long long>;
using vb = vector<bool>;
using vvi = vector<vector<int>>;
using vvpi = vector<vector<pair<int,int>>>;
using vvb = vector<vector<bool>>;
using str = string;
using pi= pair<int,int>;
using pll = pair<ll,ll>;
using vpi = vector<pi>;
using ti = tuple<int,int,int>;
using vti = vector<ti>;
#define pb push_back
#define rs resize
#define mp make_pair
#define FOR(x,y,z) for(int x=y; x<z; x++)
#define F0R(x,z) for(int x=0; x<z; x++)
#define all(a) a.begin() , a.end()
ll mx = 1000000000000000000;
int inf = 2000000000;
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
int n,s; cin >> n >> s;
vector<str> F(n);
for(int i=0;i<n;i++) cin >> F[i];
vvi hd(n,vi(n,inf));
queue<ti> Q;
for(int i=0;i<n;i++) for(int j=0;j<n;j++) if(F[i][j]=='H') Q.push({i,j,0});
while(!Q.empty()) {
ti cur=Q.front(); Q.pop();
int i=get<0>(cur),j=get<1>(cur),d=get<2>(cur);
//cout << i << j << d << "\n";
if(d>=hd[i][j]) continue;
hd[i][j]=d;
if(i>0 && hd[i-1][j]==inf && (F[i-1][j]=='G' || F[i-1][j]=='M')) Q.push({i-1,j,d+1});
if(i<n-1 && hd[i+1][j]==inf && (F[i+1][j]=='G' || F[i+1][j]=='M')) Q.push({i+1,j,d+1});
if(j>0 && hd[i][j-1]==inf && (F[i][j-1]=='G' || F[i][j-1]=='M')) Q.push({i,j-1,d+1});
if(j<n-1 && hd[i][j+1]==inf && (F[i][j+1]=='G' || F[i][j+1]=='M')) Q.push({i,j+1,d+1});
}
//for(int i=0;i<n;i++) {for(int j=0;j<n;j++) if(hd[i][j]<inf) cout << hd[i][j]; else cout << "T"; cout << "\n";}
int lob=-1,upb=2*n;
while(lob<upb) {
int tst=(lob+upb+1)/2;
queue<ti> Qp;
for(int i=0;i<n;i++) for(int j=0;j<n;j++) if(F[i][j]=='M') Qp.push({i,j,0});
bool good=false; vvb vis(n,vb(n,false));
while(!Qp.empty()) {
ti cur=Qp.front(); Qp.pop();
int i=get<0>(cur),j=get<1>(cur),d=get<2>(cur);
//cout << i << j << d << " ";
vis[i][j]=true;
if(F[i][j]=='D') {good=true; break;}
if(tst+d/s>=hd[i][j]) continue;
if(i>0 && !vis[i-1][j] && (F[i-1][j]=='G' || F[i-1][j]=='D')) Qp.push({i-1,j,d+1});
if(i<n-1 && !vis[i+1][j] && (F[i+1][j]=='G' || F[i+1][j]=='D')) Qp.push({i+1,j,d+1});
if(j>0 && !vis[i][j-1] && (F[i][j-1]=='G' || F[i][j-1]=='D')) Qp.push({i,j-1,d+1});
if(j<n-1 && !vis[i][j+1] && (F[i][j+1]=='G' || F[i][j+1]=='D')) Qp.push({i,j+1,d+1});
}
if(!good) upb=tst-1;
else lob=tst;
}
cout << upb;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Runtime error |
210 ms |
65540 KB |
Execution killed with signal 9 |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
13 |
Runtime error |
298 ms |
65540 KB |
Execution killed with signal 9 |
14 |
Runtime error |
172 ms |
65540 KB |
Execution killed with signal 9 |
15 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
16 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
17 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
18 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
19 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
20 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
21 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
22 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
23 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
24 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
25 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
26 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
27 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
28 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
29 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
30 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
31 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
32 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
33 |
Incorrect |
6 ms |
972 KB |
Output isn't correct |
34 |
Incorrect |
4 ms |
972 KB |
Output isn't correct |
35 |
Runtime error |
223 ms |
65540 KB |
Execution killed with signal 9 |
36 |
Incorrect |
4 ms |
1100 KB |
Output isn't correct |
37 |
Incorrect |
4 ms |
1100 KB |
Output isn't correct |
38 |
Runtime error |
206 ms |
65540 KB |
Execution killed with signal 9 |
39 |
Incorrect |
5 ms |
1356 KB |
Output isn't correct |
40 |
Incorrect |
6 ms |
1356 KB |
Output isn't correct |
41 |
Runtime error |
206 ms |
65540 KB |
Execution killed with signal 9 |
42 |
Incorrect |
7 ms |
1612 KB |
Output isn't correct |
43 |
Incorrect |
7 ms |
1612 KB |
Output isn't correct |
44 |
Runtime error |
210 ms |
65540 KB |
Execution killed with signal 9 |
45 |
Incorrect |
9 ms |
1868 KB |
Output isn't correct |
46 |
Incorrect |
9 ms |
1868 KB |
Output isn't correct |
47 |
Runtime error |
192 ms |
65540 KB |
Execution killed with signal 9 |
48 |
Incorrect |
10 ms |
2144 KB |
Output isn't correct |
49 |
Incorrect |
10 ms |
2144 KB |
Output isn't correct |
50 |
Runtime error |
208 ms |
65540 KB |
Execution killed with signal 9 |
51 |
Incorrect |
11 ms |
2508 KB |
Output isn't correct |
52 |
Incorrect |
13 ms |
2456 KB |
Output isn't correct |
53 |
Runtime error |
188 ms |
65540 KB |
Execution killed with signal 9 |
54 |
Incorrect |
20 ms |
2764 KB |
Output isn't correct |
55 |
Incorrect |
14 ms |
2764 KB |
Output isn't correct |
56 |
Runtime error |
269 ms |
65540 KB |
Execution killed with signal 9 |
57 |
Incorrect |
15 ms |
3152 KB |
Output isn't correct |
58 |
Incorrect |
16 ms |
3264 KB |
Output isn't correct |
59 |
Runtime error |
219 ms |
65540 KB |
Execution killed with signal 9 |
60 |
Incorrect |
19 ms |
3548 KB |
Output isn't correct |
61 |
Incorrect |
19 ms |
3660 KB |
Output isn't correct |
62 |
Runtime error |
222 ms |
65540 KB |
Execution killed with signal 9 |
63 |
Correct |
122 ms |
3648 KB |
Output is correct |
64 |
Correct |
151 ms |
3552 KB |
Output is correct |
65 |
Correct |
158 ms |
3672 KB |
Output is correct |
66 |
Correct |
121 ms |
3540 KB |
Output is correct |
67 |
Correct |
117 ms |
3660 KB |
Output is correct |
68 |
Correct |
49 ms |
3596 KB |
Output is correct |
69 |
Correct |
45 ms |
3572 KB |
Output is correct |
70 |
Correct |
39 ms |
3644 KB |
Output is correct |
71 |
Correct |
47 ms |
3648 KB |
Output is correct |
72 |
Correct |
42 ms |
3652 KB |
Output is correct |
73 |
Runtime error |
221 ms |
65540 KB |
Execution killed with signal 9 |
74 |
Runtime error |
214 ms |
65540 KB |
Execution killed with signal 9 |
75 |
Runtime error |
238 ms |
65540 KB |
Execution killed with signal 9 |
76 |
Runtime error |
269 ms |
65540 KB |
Execution killed with signal 9 |
77 |
Runtime error |
206 ms |
65540 KB |
Execution killed with signal 9 |
78 |
Runtime error |
410 ms |
65540 KB |
Execution killed with signal 9 |
79 |
Runtime error |
207 ms |
65540 KB |
Execution killed with signal 9 |
80 |
Runtime error |
187 ms |
65540 KB |
Execution killed with signal 9 |
81 |
Runtime error |
317 ms |
65540 KB |
Execution killed with signal 9 |
82 |
Runtime error |
216 ms |
65540 KB |
Execution killed with signal 9 |
83 |
Runtime error |
240 ms |
65540 KB |
Execution killed with signal 9 |
84 |
Runtime error |
201 ms |
65540 KB |
Execution killed with signal 9 |
85 |
Runtime error |
219 ms |
65540 KB |
Execution killed with signal 9 |
86 |
Runtime error |
220 ms |
65540 KB |
Execution killed with signal 9 |
87 |
Runtime error |
218 ms |
65540 KB |
Execution killed with signal 9 |
88 |
Runtime error |
264 ms |
65540 KB |
Execution killed with signal 9 |
89 |
Runtime error |
216 ms |
65540 KB |
Execution killed with signal 9 |
90 |
Runtime error |
254 ms |
65540 KB |
Execution killed with signal 9 |
91 |
Runtime error |
264 ms |
65540 KB |
Execution killed with signal 9 |
92 |
Runtime error |
249 ms |
65540 KB |
Execution killed with signal 9 |