Submission #18,792

2025-11-05 02:22:08

cpp17

Accepted 100/100

72ms

1516 KiB

#include <bits/stdc++.h>
using namespace std;

int main() {
        int ans = 0, N, M; cin >> N >> M;
        vector<vector<char>> v(N, vector<char>(M)); for (vector<char>& e : v) for (char& f : e) cin >> f;
        for (int i = 1; i < N - 1; ++i) for (int j = 1; j < M - 1; ++j) {
                if (v[i][j] == '.') continue;
                if (v[i - 1][j] == '.') ++ans;
                if (v[i + 1][j] == '.') ++ans;
                if (v[i][j - 1] == '.') ++ans;
                if (v[i][j + 1] == '.') ++ans; }
        cout << ans << '\n';
return 0; }

	Sum	Test	Verdict	Time	Memory
subtask1	0/0
		1	Accepted	1ms	500 KiB
		2	Accepted	1ms	316 KiB
subtask2	50/50
		3	Accepted	1ms	316 KiB
		4	Accepted	4ms	316 KiB
		5	Accepted	64ms	1516 KiB
subtask3	30/30
		6	Accepted	1ms	512 KiB
		7	Accepted	1ms	500 KiB
		8	Accepted	1ms	508 KiB
		9	Accepted	1ms	316 KiB
subtask4	20/20
		10	Accepted	1ms	316 KiB
		11	Accepted	1ms	316 KiB
		12	Accepted	1ms	316 KiB
		13	Accepted	4ms	316 KiB
		14	Accepted	64ms	1516 KiB
		15	Accepted	1ms	512 KiB
		16	Accepted	1ms	500 KiB
		17	Accepted	1ms	508 KiB
		18	Accepted	1ms	316 KiB
		19	Accepted	71ms	1400 KiB
		20	Accepted	72ms	1412 KiB
		21	Accepted	65ms	1332 KiB
		22	Accepted	64ms	1412 KiB