#include <bits/stdc++.h>
using namespace std;
int main()
{
#ifdef ONPC
freopen ("input.txt", "r", stdin);
#endif // ONPC
#ifndef ONPC
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#endif // ONPC
int n, m, r, need;
cin >> n >> m >> r >> need;
vector<pair<int, int>> mus, spr;
for (int i = 0; i < n; i++)
{
string s;
cin >> s;
assert((int) s.size() == m);
for (int j = 0; j < m; j++)
{
char ch = s[j];
if (ch == '.')
{
continue;
}
if (ch == 'S')
{
spr.push_back({i, j});
continue;
}
if (ch == 'M')
{
mus.push_back({i, j});
continue;
}
assert(0);
}
}
int sol = 0;
for (auto &it : mus)
{
int cnt = 0;
for (auto &j : mus)
{
int d = max(abs(j.first - it.first), abs(j.second - it.second));
if (d <= r)
{
cnt++;
}
}
sol += (cnt >= need);
}
cout << sol << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
28 ms |
340 KB |
Output is correct |
3 |
Correct |
26 ms |
396 KB |
Output is correct |
4 |
Correct |
5 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
28 ms |
340 KB |
Output is correct |
3 |
Correct |
26 ms |
396 KB |
Output is correct |
4 |
Correct |
5 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
488 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2073 ms |
4244 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
28 ms |
340 KB |
Output is correct |
3 |
Correct |
26 ms |
396 KB |
Output is correct |
4 |
Correct |
5 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |