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Submission #880846

# Submission time Handle Problem Language Result Execution time Memory
880846 2023-11-30T07:05:51 Z TAhmed33 Selotejp (COCI20_selotejp) C++
35 / 110
 1000 ms 8796 KB 
#include <bits/stdc++.h>
using namespace std;
int n, m;
bool arr[1001][11];
vector <pair <int, int>> q;
bool check (int &x, int &y) {
	return (x >> y) & 1;
}
bool vis[1 << 10][11][11][2];
void recurse (int pos, int mask, int newmask, int cur, int sum, bool c = 0) {
	if (vis[newmask][cur][sum][c]) return;
	vis[newmask][cur][sum][c] = 1;
	if (cur == m) {
		q.push_back({sum, newmask});
		return;
	}
	if (arr[pos][cur] == 0) {
		recurse(pos, mask, newmask, cur + 1, sum, 0);
		return;
	}
	if (check(mask, cur)) {
		recurse(pos, mask, newmask + (1 << cur), cur + 1, sum, 0);
	} else {
		recurse(pos, mask, newmask + (1 << cur), cur + 1, sum + 1, 0);
	}	
	recurse(pos, mask, newmask, cur + 1, sum + (c ^ 1), 1);
}
string get2 (int x);
int dp[1001][1 << 10];
int ans (int pos, int mask) {
	if (pos == 0) return 0;
	int &ret = dp[pos][mask];
	if (ret != -1) return ret;
	memset(vis, 0, sizeof(vis));
	recurse(pos, mask, 0, 0, 0);
	int mn = 1e9;
	vector <pair <int, int>> t = q; q.clear();
	for (auto i : t) mn = min(mn, i.first + ans(pos - 1, i.second));

	return ret = mn;
}
string get2 (int x) {	
	string s;
	for (int i = 0; i < m; i++) s += (char)(check(x, i) + '0');
	return s;
}
int main () {
	memset(dp, -1, sizeof(dp));
	cin >> n >> m;
	for (int i = 1; i <= n; i++) {
		for (int j = 0; j < m; j++) {
			char x; cin >> x; arr[i][j] = x == '#';
		}
	}
	cout << ans(n, 0);
}

Subtask #1
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4696 KB Output is correct
2 Correct 39 ms 4700 KB Output is correct
3 Correct 40 ms 4952 KB Output is correct
4 Correct 39 ms 4700 KB Output is correct
5 Correct 57 ms 4700 KB Output is correct
6 Correct 72 ms 4960 KB Output is correct
7 Correct 67 ms 4952 KB Output is correct
8 Correct 11 ms 4696 KB Output is correct
9 Correct 35 ms 4700 KB Output is correct
10 Execution timed out 1066 ms 8796 KB Time limit exceeded
11 Halted 0 ms 0 KB -

Subtask #2
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4700 KB Output is correct
2 Correct 14 ms 4720 KB Output is correct
3 Correct 1 ms 4700 KB Output is correct
4 Correct 28 ms 4700 KB Output is correct
5 Correct 1 ms 4700 KB Output is correct
6 Correct 2 ms 4696 KB Output is correct
7 Correct 9 ms 4700 KB Output is correct
8 Correct 9 ms 4700 KB Output is correct

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4696 KB Output is correct
2 Correct 39 ms 4700 KB Output is correct
3 Correct 40 ms 4952 KB Output is correct
4 Correct 39 ms 4700 KB Output is correct
5 Correct 57 ms 4700 KB Output is correct
6 Correct 72 ms 4960 KB Output is correct
7 Correct 67 ms 4952 KB Output is correct
8 Correct 11 ms 4696 KB Output is correct
9 Correct 35 ms 4700 KB Output is correct
10 Execution timed out 1066 ms 8796 KB Time limit exceeded
11 Halted 0 ms 0 KB -