# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
1101372 |
2024-10-16T07:29:43 Z |
jadai007 |
Mecho (IOI09_mecho) |
C++17 |
|
134 ms |
9236 KB |
#include<bits/stdc++.h>
using namespace std;
int n, s, disH[1010][1010], dis[1010][1010], xx[] = {0, 0, -1, 1}, xy[] = {-1, 1, 0, 0};
char mp[1010][1010];
queue<tuple<int, int, int>> q;
bool solve(int mid){
for(int i = 1; i <= n; ++i){
for(int j = 1; j <= n; ++j){
if(mp[i][j] == 'M') q.emplace(i, j, 0), dis[i][j] = 0;
else dis[i][j] = 1e9;
}
}
while(!q.empty()){
int x = get<0>(q.front()), y = get<1>(q.front()), w = get<2>(q.front()); q.pop();
if(dis[x][y] < w || (dis[x][y] + 1) / s >= disH[x][y] - mid) continue;
if(mp[x][y] == 'D') return true;
for(int i = 0; i < 4; ++i){
int nx = x + xx[i];
int ny = y + xy[i];
if(nx < 1 || nx > n || ny < 1 || ny > n || mp[nx][ny] == 'T') continue;
if(dis[nx][ny] > w + 1){
dis[nx][ny] = w + 1;
q.emplace(nx, ny, w + 1);
}
}
}
return false;
}
int main(){
cin.tie(nullptr)->sync_with_stdio(false);
cin >> n >> s;
for(int i = 1; i<=n; ++i) for(int j = 1; j <= n; ++j) cin >> mp[i][j];
for(int i = 1; i <= n; ++i){
for(int j = 1; j <=n; ++j){
if(mp[i][j] == 'H') q.emplace(i, j, 0), disH[i][j] = 0;
else disH[i][j] = 1e9;
}
}
while(!q.empty()){
int x = get<0>(q.front()), y = get<1>(q.front()), w = get<2>(q.front()); q.pop();
if(disH[x][y] < w) continue;
for(int i = 0; i < 4; ++i){
int nx = x + xx[i];
int ny = y + xy[i];
if(nx < 1 || nx > n || ny < 1 || ny > n || mp[nx][ny] == 'T') continue;
if(disH[nx][ny] > w + 1){
disH[nx][ny] = w + 1;
q.emplace(nx, ny, w + 1);
}
}
}
int l = 0, r = 1e9, ans = -1;
while(l <= r){
int mid = (l + r) >> 1;
if(solve(mid)) ans = mid, l = mid + 1;
else r = mid - 1;
}
cout << ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
4432 KB |
Output isn't correct |
2 |
Incorrect |
1 ms |
4600 KB |
Output isn't correct |
3 |
Incorrect |
1 ms |
4432 KB |
Output isn't correct |
4 |
Incorrect |
1 ms |
4432 KB |
Output isn't correct |
5 |
Correct |
1 ms |
4684 KB |
Output is correct |
6 |
Incorrect |
1 ms |
4432 KB |
Output isn't correct |
7 |
Incorrect |
67 ms |
8784 KB |
Output isn't correct |
8 |
Correct |
1 ms |
4432 KB |
Output is correct |
9 |
Incorrect |
1 ms |
4432 KB |
Output isn't correct |
10 |
Incorrect |
1 ms |
4432 KB |
Output isn't correct |
11 |
Correct |
1 ms |
4432 KB |
Output is correct |
12 |
Incorrect |
1 ms |
4432 KB |
Output isn't correct |
13 |
Correct |
1 ms |
4432 KB |
Output is correct |
14 |
Correct |
1 ms |
4432 KB |
Output is correct |
15 |
Incorrect |
1 ms |
4432 KB |
Output isn't correct |
16 |
Correct |
1 ms |
4432 KB |
Output is correct |
17 |
Incorrect |
1 ms |
4432 KB |
Output isn't correct |
18 |
Correct |
1 ms |
4432 KB |
Output is correct |
19 |
Incorrect |
1 ms |
4432 KB |
Output isn't correct |
20 |
Correct |
1 ms |
4600 KB |
Output is correct |
21 |
Incorrect |
1 ms |
4432 KB |
Output isn't correct |
22 |
Correct |
1 ms |
4432 KB |
Output is correct |
23 |
Incorrect |
1 ms |
4432 KB |
Output isn't correct |
24 |
Correct |
1 ms |
4640 KB |
Output is correct |
25 |
Incorrect |
1 ms |
4432 KB |
Output isn't correct |
26 |
Correct |
2 ms |
4616 KB |
Output is correct |
27 |
Incorrect |
2 ms |
4432 KB |
Output isn't correct |
28 |
Correct |
2 ms |
4432 KB |
Output is correct |
29 |
Incorrect |
1 ms |
4432 KB |
Output isn't correct |
30 |
Correct |
1 ms |
4432 KB |
Output is correct |
31 |
Incorrect |
1 ms |
4604 KB |
Output isn't correct |
32 |
Correct |
2 ms |
4432 KB |
Output is correct |
33 |
Incorrect |
6 ms |
8848 KB |
Output isn't correct |
34 |
Correct |
7 ms |
8784 KB |
Output is correct |
35 |
Correct |
16 ms |
8784 KB |
Output is correct |
36 |
Incorrect |
8 ms |
8784 KB |
Output isn't correct |
37 |
Correct |
9 ms |
8784 KB |
Output is correct |
38 |
Correct |
20 ms |
8784 KB |
Output is correct |
39 |
Incorrect |
10 ms |
8856 KB |
Output isn't correct |
40 |
Correct |
10 ms |
8784 KB |
Output is correct |
41 |
Correct |
30 ms |
8860 KB |
Output is correct |
42 |
Incorrect |
12 ms |
8784 KB |
Output isn't correct |
43 |
Correct |
12 ms |
8956 KB |
Output is correct |
44 |
Correct |
34 ms |
8784 KB |
Output is correct |
45 |
Incorrect |
13 ms |
8784 KB |
Output isn't correct |
46 |
Correct |
13 ms |
8784 KB |
Output is correct |
47 |
Correct |
40 ms |
8784 KB |
Output is correct |
48 |
Incorrect |
16 ms |
9016 KB |
Output isn't correct |
49 |
Correct |
16 ms |
8852 KB |
Output is correct |
50 |
Correct |
48 ms |
8952 KB |
Output is correct |
51 |
Incorrect |
18 ms |
8840 KB |
Output isn't correct |
52 |
Correct |
21 ms |
8784 KB |
Output is correct |
53 |
Correct |
54 ms |
8784 KB |
Output is correct |
54 |
Incorrect |
21 ms |
8784 KB |
Output isn't correct |
55 |
Correct |
21 ms |
8784 KB |
Output is correct |
56 |
Correct |
63 ms |
8784 KB |
Output is correct |
57 |
Incorrect |
25 ms |
8784 KB |
Output isn't correct |
58 |
Correct |
24 ms |
8784 KB |
Output is correct |
59 |
Correct |
73 ms |
8784 KB |
Output is correct |
60 |
Incorrect |
27 ms |
8784 KB |
Output isn't correct |
61 |
Correct |
27 ms |
8784 KB |
Output is correct |
62 |
Correct |
85 ms |
8784 KB |
Output is correct |
63 |
Incorrect |
76 ms |
8784 KB |
Output isn't correct |
64 |
Incorrect |
134 ms |
8784 KB |
Output isn't correct |
65 |
Correct |
132 ms |
8784 KB |
Output is correct |
66 |
Correct |
101 ms |
8784 KB |
Output is correct |
67 |
Correct |
90 ms |
8588 KB |
Output is correct |
68 |
Correct |
49 ms |
8784 KB |
Output is correct |
69 |
Incorrect |
48 ms |
9076 KB |
Output isn't correct |
70 |
Correct |
38 ms |
8784 KB |
Output is correct |
71 |
Correct |
40 ms |
8844 KB |
Output is correct |
72 |
Correct |
37 ms |
8636 KB |
Output is correct |
73 |
Correct |
49 ms |
9040 KB |
Output is correct |
74 |
Incorrect |
54 ms |
9040 KB |
Output isn't correct |
75 |
Correct |
57 ms |
9040 KB |
Output is correct |
76 |
Incorrect |
53 ms |
9164 KB |
Output isn't correct |
77 |
Correct |
61 ms |
9040 KB |
Output is correct |
78 |
Correct |
62 ms |
9040 KB |
Output is correct |
79 |
Correct |
50 ms |
9040 KB |
Output is correct |
80 |
Correct |
54 ms |
9236 KB |
Output is correct |
81 |
Correct |
59 ms |
9040 KB |
Output is correct |
82 |
Correct |
51 ms |
9040 KB |
Output is correct |
83 |
Correct |
64 ms |
9040 KB |
Output is correct |
84 |
Incorrect |
61 ms |
9052 KB |
Output isn't correct |
85 |
Correct |
60 ms |
9152 KB |
Output is correct |
86 |
Correct |
74 ms |
9040 KB |
Output is correct |
87 |
Correct |
69 ms |
9040 KB |
Output is correct |
88 |
Correct |
65 ms |
9040 KB |
Output is correct |
89 |
Incorrect |
73 ms |
9040 KB |
Output isn't correct |
90 |
Correct |
68 ms |
9040 KB |
Output is correct |
91 |
Correct |
65 ms |
9040 KB |
Output is correct |
92 |
Correct |
65 ms |
9040 KB |
Output is correct |