| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1038568 |
2024-07-30T02:04:29 Z |
Tepeyac |
Mecho (IOI09_mecho) |
C++11 |
|
1000 ms |
7040 KB |
#include <bits/stdc++.h>
using namespace std;
struct Cell {
int x, y, p;
};
int n, s;
char ma[801][801];
int enj[801][801];
int dx[] = {-1, 1, 0, 0};
int dy[] = {0, 0, -1, 1};
bool isvalid(int i, int j) {
return i >= 1 && i <= n && j >= 1 && j <= n;
}
bool monotone(int m) {
queue<Cell> q;
char temp_ma[801][801];
memcpy(temp_ma, ma, sizeof(ma));
for(int i = 1; i <= n; ++i) {
for(int j = 1; j <= n; ++j) {
if(temp_ma[i][j] == 'M') {
Cell nodo = {i, j, 0};
q.push(nodo);
}
}
}
while(!q.empty()) {
Cell Nodo = q.front();
q.pop();
for(int i = 0; i < 4; ++i) {
for(int j = 1; j <= s; ++j) {
int nx = Nodo.x + j * dx[i];
int ny = Nodo.y + j * dy[i];
if(!isvalid(nx, ny) || temp_ma[nx][ny] == 'H' || temp_ma[nx][ny] == 'T')
break;
if(m <= enj[nx][ny] && temp_ma[nx][ny] != 'M') {
if(temp_ma[nx][ny] == 'D') {
return true;
}
temp_ma[nx][ny] = 'M';
q.push({nx, ny, Nodo.p + 1});
}
}
}
}
return false;
}
int BSOTA(int a, int b) {
while(a + 1 < b) {
int m = (a + b) / 2;
if(monotone(m)) {
a = m;
} else {
b = m;
}
}
return a;
}
int main() {
cin.tie(0) -> sync_with_stdio(0);
cin >> n >> s;
pair<int, int> pos;
queue<pair<int, int>> q;
for(int i = 1; i <= n; ++i) {
for(int j = 1; j <= n; ++j) {
cin >> ma[i][j];
if(ma[i][j] == 'H') {
q.push({i, j});
enj[i][j] = 0;
} else {
enj[i][j] = INT_MAX;
}
if(ma[i][j] == 'M') {
pos = {i, j};
}
}
}
while(!q.empty()) {
int i2 = q.front().first, j2 = q.front().second;
q.pop();
for(int i = 0; i < 4; ++i) {
int nx = dx[i] + i2;
int ny = dy[i] + j2;
if(isvalid(nx, ny) && ma[nx][ny] != 'D' && ma[nx][ny] != 'T' && ma[nx][ny] != 'H' && enj[nx][ny] == INT_MAX) {
q.push({nx, ny});
enj[nx][ny] = enj[i2][j2] + 1;
}
}
}
int maxx = enj[pos.first][pos.second];
cout << BSOTA(0, maxx - 2) << "\n";
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
856 KB |
Output is correct |
| 2 |
Incorrect |
1 ms |
856 KB |
Output isn't correct |
| 3 |
Incorrect |
1 ms |
860 KB |
Output isn't correct |
| 4 |
Incorrect |
1 ms |
860 KB |
Output isn't correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Incorrect |
1 ms |
908 KB |
Output isn't correct |
| 7 |
Execution timed out |
1096 ms |
4968 KB |
Time limit exceeded |
| 8 |
Incorrect |
1 ms |
1116 KB |
Output isn't correct |
| 9 |
Incorrect |
1 ms |
1116 KB |
Output isn't correct |
| 10 |
Incorrect |
1 ms |
1116 KB |
Output isn't correct |
| 11 |
Correct |
1 ms |
1144 KB |
Output is correct |
| 12 |
Incorrect |
1 ms |
3160 KB |
Output isn't correct |
| 13 |
Correct |
0 ms |
600 KB |
Output is correct |
| 14 |
Incorrect |
2 ms |
3164 KB |
Output isn't correct |
| 15 |
Correct |
1 ms |
1112 KB |
Output is correct |
| 16 |
Incorrect |
1 ms |
1116 KB |
Output isn't correct |
| 17 |
Correct |
1 ms |
1116 KB |
Output is correct |
| 18 |
Incorrect |
1 ms |
1116 KB |
Output isn't correct |
| 19 |
Correct |
1 ms |
976 KB |
Output is correct |
| 20 |
Incorrect |
1 ms |
1116 KB |
Output isn't correct |
| 21 |
Correct |
1 ms |
1116 KB |
Output is correct |
| 22 |
Incorrect |
1 ms |
1112 KB |
Output isn't correct |
| 23 |
Correct |
1 ms |
1116 KB |
Output is correct |
| 24 |
Incorrect |
1 ms |
1116 KB |
Output isn't correct |
| 25 |
Correct |
1 ms |
3164 KB |
Output is correct |
| 26 |
Incorrect |
2 ms |
1112 KB |
Output isn't correct |
| 27 |
Correct |
1 ms |
1116 KB |
Output is correct |
| 28 |
Incorrect |
1 ms |
1288 KB |
Output isn't correct |
| 29 |
Correct |
1 ms |
3164 KB |
Output is correct |
| 30 |
Incorrect |
2 ms |
1372 KB |
Output isn't correct |
| 31 |
Correct |
1 ms |
1228 KB |
Output is correct |
| 32 |
Incorrect |
1 ms |
1372 KB |
Output isn't correct |
| 33 |
Correct |
7 ms |
2396 KB |
Output is correct |
| 34 |
Incorrect |
7 ms |
2524 KB |
Output isn't correct |
| 35 |
Incorrect |
817 ms |
3292 KB |
Output isn't correct |
| 36 |
Correct |
6 ms |
3676 KB |
Output is correct |
| 37 |
Incorrect |
9 ms |
2652 KB |
Output isn't correct |
| 38 |
Execution timed out |
1096 ms |
3740 KB |
Time limit exceeded |
| 39 |
Correct |
7 ms |
2904 KB |
Output is correct |
| 40 |
Incorrect |
11 ms |
3012 KB |
Output isn't correct |
| 41 |
Execution timed out |
1093 ms |
4240 KB |
Time limit exceeded |
| 42 |
Correct |
10 ms |
3928 KB |
Output is correct |
| 43 |
Incorrect |
11 ms |
3928 KB |
Output isn't correct |
| 44 |
Execution timed out |
1096 ms |
4684 KB |
Time limit exceeded |
| 45 |
Correct |
9 ms |
3928 KB |
Output is correct |
| 46 |
Incorrect |
14 ms |
3420 KB |
Output isn't correct |
| 47 |
Execution timed out |
1042 ms |
5156 KB |
Time limit exceeded |
| 48 |
Correct |
11 ms |
3672 KB |
Output is correct |
| 49 |
Incorrect |
16 ms |
3676 KB |
Output isn't correct |
| 50 |
Execution timed out |
1049 ms |
5348 KB |
Time limit exceeded |
| 51 |
Correct |
13 ms |
3928 KB |
Output is correct |
| 52 |
Incorrect |
19 ms |
3932 KB |
Output isn't correct |
| 53 |
Execution timed out |
1095 ms |
5928 KB |
Time limit exceeded |
| 54 |
Correct |
21 ms |
4184 KB |
Output is correct |
| 55 |
Incorrect |
22 ms |
4184 KB |
Output isn't correct |
| 56 |
Execution timed out |
1053 ms |
6528 KB |
Time limit exceeded |
| 57 |
Correct |
18 ms |
4440 KB |
Output is correct |
| 58 |
Incorrect |
29 ms |
4468 KB |
Output isn't correct |
| 59 |
Execution timed out |
1096 ms |
6568 KB |
Time limit exceeded |
| 60 |
Correct |
21 ms |
4700 KB |
Output is correct |
| 61 |
Incorrect |
32 ms |
4836 KB |
Output isn't correct |
| 62 |
Execution timed out |
1041 ms |
7040 KB |
Time limit exceeded |
| 63 |
Incorrect |
99 ms |
4692 KB |
Output isn't correct |
| 64 |
Incorrect |
157 ms |
4692 KB |
Output isn't correct |
| 65 |
Incorrect |
157 ms |
4692 KB |
Output isn't correct |
| 66 |
Incorrect |
116 ms |
4700 KB |
Output isn't correct |
| 67 |
Incorrect |
152 ms |
4724 KB |
Output isn't correct |
| 68 |
Incorrect |
38 ms |
4700 KB |
Output isn't correct |
| 69 |
Incorrect |
48 ms |
4856 KB |
Output isn't correct |
| 70 |
Incorrect |
37 ms |
4692 KB |
Output isn't correct |
| 71 |
Incorrect |
39 ms |
4768 KB |
Output isn't correct |
| 72 |
Incorrect |
27 ms |
4756 KB |
Output isn't correct |
| 73 |
Incorrect |
22 ms |
4700 KB |
Output isn't correct |
| 74 |
Execution timed out |
1091 ms |
5720 KB |
Time limit exceeded |
| 75 |
Incorrect |
205 ms |
5104 KB |
Output isn't correct |
| 76 |
Incorrect |
120 ms |
5108 KB |
Output isn't correct |
| 77 |
Incorrect |
378 ms |
5100 KB |
Output isn't correct |
| 78 |
Incorrect |
407 ms |
5080 KB |
Output isn't correct |
| 79 |
Execution timed out |
1062 ms |
5976 KB |
Time limit exceeded |
| 80 |
Incorrect |
245 ms |
5080 KB |
Output isn't correct |
| 81 |
Incorrect |
189 ms |
5000 KB |
Output isn't correct |
| 82 |
Incorrect |
428 ms |
5076 KB |
Output isn't correct |
| 83 |
Incorrect |
371 ms |
5044 KB |
Output isn't correct |
| 84 |
Execution timed out |
1072 ms |
6160 KB |
Time limit exceeded |
| 85 |
Incorrect |
415 ms |
5040 KB |
Output isn't correct |
| 86 |
Incorrect |
394 ms |
5044 KB |
Output isn't correct |
| 87 |
Execution timed out |
1012 ms |
5040 KB |
Time limit exceeded |
| 88 |
Incorrect |
755 ms |
4944 KB |
Output isn't correct |
| 89 |
Execution timed out |
1048 ms |
6756 KB |
Time limit exceeded |
| 90 |
Execution timed out |
1042 ms |
4952 KB |
Time limit exceeded |
| 91 |
Execution timed out |
1043 ms |
5204 KB |
Time limit exceeded |
| 92 |
Execution timed out |
1024 ms |
4988 KB |
Time limit exceeded |
