#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define in(x) freopen(x, "r", stdin)
#define out(x) freopen(x, "w", stdout)
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-O3")
#define F first
#define S second
#define pb push_back
#define N +50050
//#define N1 +1001000
#define M ll(998244353)
#define sz(x) (int)x.size()
#define re return
#define oo ll(1e18)
#define el '\n'
using namespace std;
//using namespace __gnu_pbds;
//typedef tree <int, null_type, less_equal <int> , rb_tree_tag, tree_order_statistics_node_update> ordered_set;
typedef long long ll;
typedef long double ld;
int n, m, i, j;
char s[N][7];
ll ans;
bitset <N> bt[7][27];
bitset <N> nw, full;
int main()
{
srand(time(0));
ios_base::sync_with_stdio(0);
iostream::sync_with_stdio(0);
ios::sync_with_stdio(0);
cin.tie(NULL);
cout.tie(NULL);
// in("input.txt");
// out("output.txt");
cin >> n >> m;
for (i = 0; i < n; i++)
{
for (j = 0; j < m; j++)
{
cin >> s[i][j];
if (s[i][j] == '?') continue;
int c = s[i][j] - 'a';
bt[j][c][i] = 1;
}
}
for (i = 0; i < n; i++) full[i] = 1;
for (i = 0; i < n; i++)
{
nw = full;
for (j = 0; j < m; j++)
{
if (s[i][j] == '?') continue;
nw &= bt[j][s[i][j] - 'a'];
}
ans += nw.count();
full[i] = 0;
}
cout << ans;
}
//3 - 4
//4 - 5
//y < z + x < y + 2 * x
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
127 ms |
896 KB |
Output isn't correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
88 ms |
896 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
111 ms |
896 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
87 ms |
1024 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
136 ms |
1272 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
162 ms |
1280 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
118 ms |
1408 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
156 ms |
1408 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
130 ms |
1536 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
179 ms |
1712 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |