#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define boost_io ios::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define int long long
#define num(a) a-'0'
#define charr(a) (a - 'A' + 1)
#define rep(i,a,b) for(int i=a;i<b;i++)
#define maxs(a,b) if(b>a)a=b
#define mins(a,b) if(b<a)a=b
#define bin1(a) __builtin_popcount(a)
#define debug(x) cerr<<"["<<#x<<":"<<x<<"] "
#define debug2(a,b) debug(a);debug(b)
#define debug3(a,b,c) debug2(a,b);debug(c)
#define de cerr
#define gcd(a,b) __gcd(a,b)
#define lcm(a,b) (a*b)/(__gcd(a,b))
#define print(arr) for(auto it = arr.begin();it < arr.end();it ++){cout << *it << " ";}cout << ln;
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
#define all(a) (a).begin(), (a).end()
#define vi vector<long long>
#define v vector
#define p pair
#define pii p<int,int>
#define pb push_back
#define mk make_pair
#define f first
#define s second
#define ln "\n"
typedef long double ld;
typedef double d;
using namespace std;
using namespace __gnu_pbds;
int modF=1e9+7;
/*OUTPUT
*/
int n,m;
int ans = 0;
// v<string> a;
map<string,int> mp;
bool chk(string s,int i,string b){
if(i == m){
// debug(b);
// if(st.find(b) != st.end()){
// debug(b);
ans += mp[b];
// return true;
// }
// return false;
}
else{
if(s[i] == '?'){
for(int j = 0;j < 26;j ++){
char ch = (char)(j + 97);
b[i] = ch;
if(chk(s,i + 1,b)){
// return true;
}
}
b[i] = '?';
if(chk(s,i + 1,b)){
// return true;
}
}
else{
b[i] = s[i];
if(chk(s,i + 1,b)){
// return true;
}
b[i] = '?';
if(chk(s,i + 1,b)){
// return true;
}
}
}
return false;
}
void solve(){
cin >> n >> m;
if(m > 2){
v<string> a(n);
rep(i,0,n){
cin >> a[i];
}
int ans = 0;
for(int i = 0;i < n;i ++){
for(int j = i + 1;j < n;j ++){
bool pos = true;
for(int k = 0;k < m;k ++){
if(a[i][k] != '?' and a[j][k] != '?'){
if(a[i][k] != a[j][k]){
pos = false;
}
}
}
if(pos){
ans ++;
}
}
}
cout << ans << ln;
}
else{
// cout << "yes";
string x;
for(int i = 0;i < n;i ++){
cin >> x;
if(m == 1)
chk(x,0," ");
if(m == 2)
chk(x,0," ");
// debug(x);
mp[x] ++;
}
cout << ans << ln;
}
}
signed main(){
boost_io;
int t=1;
// cin>>t;
while(t--){
solve();
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
14 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
95 ms |
512 KB |
Output is correct |
2 |
Correct |
181 ms |
504 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
241 ms |
632 KB |
Output is correct |
2 |
Correct |
150 ms |
632 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3070 ms |
1408 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3074 ms |
2048 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3072 ms |
2048 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3080 ms |
1536 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3065 ms |
1792 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3052 ms |
1536 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3007 ms |
2048 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |