#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define int long long
#define FOR(i, a, b) for ( int i = a ; i <= b ; i++ )
#define FORD(i, a, b) for (int i = b; i >= a; i --)
#define REP(i, n) for (int i = 0; i < n; ++i)
#define REPD(i, n) for (int i = n - 1; i >= 0; --i)
#define pii pair<int , int>
#define fi first
#define se second
#define Lg(x) 31 - __builtin_clz(x)
#define MASK(i) (1LL << (i))
#define BIT(x, i) (((x) >> (i)) & 1)
constexpr ll LINF = (1ll << 60);
constexpr int INF = (1ll << 30);
constexpr int MAX = 5e4 + 5;
constexpr int Mod = 1e9 + 7;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
void setupIO(){
#define name "Whisper"
//Phu Trong from Nguyen Tat Thanh High School for gifted student
srand(time(NULL));
cin.tie(nullptr)->sync_with_stdio(false); cout.tie(nullptr);
//freopen(name".inp", "r", stdin);
//freopen(name".out", "w", stdout);
cout << fixed << setprecision(10);
}
template <class X, class Y>
bool minimize(X &x, const Y &y){
X eps = 1e-9;
if (x > y + eps) {x = y; return 1;}
return 0;
}
template <class X, class Y>
bool maximize(X &x, const Y &y){
X eps = 1e-9;
if (x + eps < y) {x = y; return 1;}
return 0;
}
int nArr, nLen;
bitset<MAX> vis[6][26], a;
void Whisper(){
cin >> nArr >> nLen;
vector<string> s(nArr);
REP(i, nArr) cin >> s[i];
REP(i, nArr) REP(j, nLen){
if (s[i][j] == '?') REP(k, 26) vis[j][k][i] = 1;
else vis[j][s[i][j] - 'a'][i] = 1;
}
int ans = 0;
REP(i, nArr) a[i] = 1;
REP(i, nArr){
a[i] = false;
bitset<MAX> cur = a;
REP(j, nLen) if(s[i][j] != '?') cur &= vis[j][s[i][j] - 'a'];
ans += cur.count();
}
cout << ans;
}
signed main(){
setupIO();
int Test = 1;
// cin >> Test;
for ( int i = 1 ; i <= Test ; i++ ){
Whisper();
if (i < Test) cout << '\n';
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
116 ms |
2136 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
82 ms |
1628 KB |
Output is correct |
2 |
Correct |
78 ms |
1764 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
112 ms |
1880 KB |
Output is correct |
2 |
Correct |
136 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
92 ms |
1880 KB |
Output is correct |
2 |
Correct |
97 ms |
1884 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
138 ms |
2276 KB |
Output is correct |
2 |
Correct |
66 ms |
1880 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
182 ms |
2396 KB |
Output is correct |
2 |
Correct |
114 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
135 ms |
2136 KB |
Output is correct |
2 |
Correct |
81 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
176 ms |
2396 KB |
Output is correct |
2 |
Correct |
149 ms |
2904 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
153 ms |
2392 KB |
Output is correct |
2 |
Correct |
81 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
226 ms |
2908 KB |
Output is correct |
2 |
Correct |
169 ms |
2904 KB |
Output is correct |