| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 104307 |
2019-04-05T03:40:35 Z |
Badral |
Mecho (IOI09_mecho) |
C++17 |
|
126 ms |
8440 KB |
#include<bits/stdc++.h>
using namespace std;
#define pi pair<int, int>
char a[1015][1015];
int dx[] = {0, 0, 0, 1, -1, -1, 1, 1, -1};
int dy[] = {0, 1, -1, 0, 0, -1, -1, 1, 1};
int bear[1105][1015], bee[1105][1015], xx = -1, yy = -1, xxx = -1, yyy = -1, n, kk;
bool asdasd = 0;
bool can(int k) {
if ( k >= bee[xx][yy] ) return 0;
for ( int i = 1; i <= n; i++ )
for ( int j = 1; j <= n; j++ )
bear[i][j] = INT_MAX;
bear[xx][yy] = 0;
queue < pi > q;
q.push(make_pair(xx, yy));
int x, y;
while(!q.empty()) {
tie(x, y) = q.front();
q.pop();
for(int i = 1; i <= 4; i++) {
int x1 = x + dx[i], y1 = y + dy[i];
if ( a[x1][y1] == 'D' ) {asdasd = 1; return 1;}
if ( a[x1][y1] == 'G' && bear[x][y] + 1 < kk * ( bee[x1][y1] - k ) && bear[x1][y1] == INT_MAX ) {
bear[x1][y1] = bear[x][y] + 1;
q.push ( make_pair ( x1, y1 ) );
}
}
}
return 0;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> n >> kk;
queue < pi > p;
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= n; j++) {
bee[i][j] = INT_MAX;
a[i][j] = getchar();
if ( a[i][j] == 'H' ) {p.push(make_pair(i, j)); bee[i][j] = 0;}
if ( a[i][j] == 'M' ) xx = i, yy = j;
}
}
while(!p.empty()) {
int x, y; tie(x, y) = p.front(); p.pop();
for ( int i = 1; i <= 4; i++ ) {
int x1 = x + dx[i], y1 = y + dy[i];
if ( bee[x1][y1] == INT_MAX && ( a[x1][y1] == 'G' || a[x1][y1] == 'M' ) ) {
bee[x1][y1] = bee[x][y] + 1; p.push ( make_pair ( x1, y1 ) );
}
}
}
int k = 0, mm = n * n / 2 ;
for(int i = mm/2; i >= 1; i /= 2)
while(i + k <= mm && can(i+k))
k += i;
bool pppp = can(0);
if ( !asdasd ) cout << -1;
else cout << k;
}
Compilation message
mecho.cpp: In function 'int main()':
mecho.cpp:74:10: warning: unused variable 'pppp' [-Wunused-variable]
bool pppp = can(0);
^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
3 ms |
512 KB |
Output isn't correct |
| 2 |
Incorrect |
3 ms |
384 KB |
Output isn't correct |
| 3 |
Incorrect |
3 ms |
384 KB |
Output isn't correct |
| 4 |
Incorrect |
3 ms |
384 KB |
Output isn't correct |
| 5 |
Incorrect |
4 ms |
512 KB |
Output isn't correct |
| 6 |
Incorrect |
3 ms |
384 KB |
Output isn't correct |
| 7 |
Incorrect |
41 ms |
8188 KB |
Output isn't correct |
| 8 |
Correct |
2 ms |
512 KB |
Output is correct |
| 9 |
Incorrect |
3 ms |
512 KB |
Output isn't correct |
| 10 |
Incorrect |
2 ms |
512 KB |
Output isn't correct |
| 11 |
Incorrect |
3 ms |
572 KB |
Output isn't correct |
| 12 |
Incorrect |
4 ms |
896 KB |
Output isn't correct |
| 13 |
Incorrect |
4 ms |
640 KB |
Output isn't correct |
| 14 |
Correct |
5 ms |
896 KB |
Output is correct |
| 15 |
Incorrect |
3 ms |
640 KB |
Output isn't correct |
| 16 |
Incorrect |
3 ms |
512 KB |
Output isn't correct |
| 17 |
Incorrect |
4 ms |
512 KB |
Output isn't correct |
| 18 |
Incorrect |
3 ms |
640 KB |
Output isn't correct |
| 19 |
Incorrect |
4 ms |
640 KB |
Output isn't correct |
| 20 |
Incorrect |
4 ms |
640 KB |
Output isn't correct |
| 21 |
Incorrect |
3 ms |
768 KB |
Output isn't correct |
| 22 |
Incorrect |
4 ms |
768 KB |
Output isn't correct |
| 23 |
Incorrect |
4 ms |
896 KB |
Output isn't correct |
| 24 |
Incorrect |
4 ms |
896 KB |
Output isn't correct |
| 25 |
Incorrect |
4 ms |
896 KB |
Output isn't correct |
| 26 |
Incorrect |
6 ms |
896 KB |
Output isn't correct |
| 27 |
Incorrect |
5 ms |
1024 KB |
Output isn't correct |
| 28 |
Incorrect |
5 ms |
1024 KB |
Output isn't correct |
| 29 |
Incorrect |
5 ms |
996 KB |
Output isn't correct |
| 30 |
Incorrect |
5 ms |
1024 KB |
Output isn't correct |
| 31 |
Incorrect |
5 ms |
1024 KB |
Output isn't correct |
| 32 |
Incorrect |
6 ms |
1024 KB |
Output isn't correct |
| 33 |
Incorrect |
12 ms |
3584 KB |
Output isn't correct |
| 34 |
Incorrect |
12 ms |
3584 KB |
Output isn't correct |
| 35 |
Incorrect |
15 ms |
3584 KB |
Output isn't correct |
| 36 |
Incorrect |
13 ms |
4096 KB |
Output isn't correct |
| 37 |
Incorrect |
12 ms |
4096 KB |
Output isn't correct |
| 38 |
Incorrect |
12 ms |
4096 KB |
Output isn't correct |
| 39 |
Incorrect |
13 ms |
4608 KB |
Output isn't correct |
| 40 |
Incorrect |
12 ms |
4608 KB |
Output isn't correct |
| 41 |
Incorrect |
14 ms |
4608 KB |
Output isn't correct |
| 42 |
Incorrect |
15 ms |
5120 KB |
Output isn't correct |
| 43 |
Incorrect |
16 ms |
5112 KB |
Output isn't correct |
| 44 |
Incorrect |
16 ms |
5112 KB |
Output isn't correct |
| 45 |
Incorrect |
20 ms |
5632 KB |
Output isn't correct |
| 46 |
Incorrect |
20 ms |
5496 KB |
Output isn't correct |
| 47 |
Incorrect |
16 ms |
5632 KB |
Output isn't correct |
| 48 |
Incorrect |
15 ms |
6144 KB |
Output isn't correct |
| 49 |
Incorrect |
18 ms |
6144 KB |
Output isn't correct |
| 50 |
Incorrect |
16 ms |
6144 KB |
Output isn't correct |
| 51 |
Incorrect |
19 ms |
6528 KB |
Output isn't correct |
| 52 |
Incorrect |
17 ms |
6528 KB |
Output isn't correct |
| 53 |
Incorrect |
23 ms |
6620 KB |
Output isn't correct |
| 54 |
Incorrect |
24 ms |
7040 KB |
Output isn't correct |
| 55 |
Incorrect |
21 ms |
7012 KB |
Output isn't correct |
| 56 |
Incorrect |
20 ms |
7040 KB |
Output isn't correct |
| 57 |
Incorrect |
25 ms |
7680 KB |
Output isn't correct |
| 58 |
Incorrect |
26 ms |
7544 KB |
Output isn't correct |
| 59 |
Incorrect |
25 ms |
7672 KB |
Output isn't correct |
| 60 |
Incorrect |
28 ms |
8184 KB |
Output isn't correct |
| 61 |
Incorrect |
24 ms |
8192 KB |
Output isn't correct |
| 62 |
Incorrect |
28 ms |
8192 KB |
Output isn't correct |
| 63 |
Incorrect |
35 ms |
8056 KB |
Output isn't correct |
| 64 |
Incorrect |
41 ms |
8184 KB |
Output isn't correct |
| 65 |
Incorrect |
37 ms |
8056 KB |
Output isn't correct |
| 66 |
Incorrect |
52 ms |
8184 KB |
Output isn't correct |
| 67 |
Correct |
36 ms |
8056 KB |
Output is correct |
| 68 |
Incorrect |
56 ms |
8184 KB |
Output isn't correct |
| 69 |
Incorrect |
63 ms |
8184 KB |
Output isn't correct |
| 70 |
Incorrect |
50 ms |
8184 KB |
Output isn't correct |
| 71 |
Incorrect |
49 ms |
8312 KB |
Output isn't correct |
| 72 |
Incorrect |
63 ms |
8184 KB |
Output isn't correct |
| 73 |
Incorrect |
41 ms |
8372 KB |
Output isn't correct |
| 74 |
Incorrect |
45 ms |
8440 KB |
Output isn't correct |
| 75 |
Incorrect |
45 ms |
8312 KB |
Output isn't correct |
| 76 |
Incorrect |
50 ms |
8440 KB |
Output isn't correct |
| 77 |
Incorrect |
58 ms |
8440 KB |
Output isn't correct |
| 78 |
Correct |
78 ms |
8320 KB |
Output is correct |
| 79 |
Incorrect |
126 ms |
8440 KB |
Output isn't correct |
| 80 |
Incorrect |
66 ms |
8328 KB |
Output isn't correct |
| 81 |
Incorrect |
72 ms |
8440 KB |
Output isn't correct |
| 82 |
Incorrect |
91 ms |
8340 KB |
Output isn't correct |
| 83 |
Incorrect |
39 ms |
8312 KB |
Output isn't correct |
| 84 |
Incorrect |
48 ms |
8312 KB |
Output isn't correct |
| 85 |
Incorrect |
45 ms |
8312 KB |
Output isn't correct |
| 86 |
Incorrect |
42 ms |
8308 KB |
Output isn't correct |
| 87 |
Incorrect |
45 ms |
8312 KB |
Output isn't correct |
| 88 |
Incorrect |
40 ms |
8312 KB |
Output isn't correct |
| 89 |
Incorrect |
42 ms |
8312 KB |
Output isn't correct |
| 90 |
Incorrect |
46 ms |
8312 KB |
Output isn't correct |
| 91 |
Incorrect |
43 ms |
8312 KB |
Output isn't correct |
| 92 |
Incorrect |
40 ms |
8312 KB |
Output isn't correct |
