#include<bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
using namespace std;
typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<vector<int>> vvi;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef vector<pl> vpl;
typedef vector<ld> vld;
typedef pair<ld, ld> pld;
//typedef tree<ll, null_type, less_equal<ll>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
template<typename T>
ostream &operator<<(ostream &os, vector<T> &a) {
os << "[";
for (int i = 0; i < ll(a.size()); i++) { os << a[i] << ((i != ll(a.size() - 1) ? " " : "")); }
os << "]\n";
return os;
}
#define all(x) x.begin(),x.end()
#define YES out("YES")
#define NO out("NO")
#define out(x){cout << x << "\n"; return;}
#define GLHF ios_base::sync_with_stdio(false); cin.tie(NULL)
#define print(x){for(auto ait:x) cout << ait << " "; cout << "\n";}
#define pb push_back
#define umap unordered_map
template<typename T1, typename T2>
istream &operator>>(istream &is, pair<T1, T2> &p) {
is >> p.first >> p.second;
return is;
}
template<typename T1, typename T2>
ostream &operator<<(ostream &os, pair<T1, T2> &p) {
os << "" << p.first << " " << p.second << "";
return os;
}
void usaco(string taskname) {
string fin = taskname + ".in";
string fout = taskname + ".out";
const char *FIN = fin.c_str();
const char *FOUT = fout.c_str();
freopen(FIN, "r", stdin);
freopen(FOUT, "w", stdout);
}
template<typename T>
void read(vector<T> &v) {
int n = v.size();
for (int i = 0; i < n; i++)
cin >> v[i];
}
template<typename T>
vector<T> UNQ(vector<T> a) {
sort(all(a));
vector<T> ans;
for (T t:a)
if (ans.empty() || t != ans.back())
ans.push_back(t);
return ans;
}
ll ceil(ll a, ll b) {
ll ans = a / b;
if (a % b)ans++;
return ans;
}
ld log(ld a, ld b) { return log(b) / log(a); }
ll power(ll base, ll exp, ll M = 1e18) {//(base^exp)%M
ll ans = 1;
while (exp) {
if (exp % 2 == 1)ans = ((ans % M) * (base % M)) % M;
base = ((base % M) * (base % M)) % M;
exp /= 2;
}
return ans;
}
string to_base(int n, int new_base) {
string s;
int nn = n;
while (nn) {
s += to_string(nn % new_base);
nn /= new_base;
}
reverse(all(s));
return s;
}
ll gcd(ll a, ll b) {
if (a < b)swap(a, b);
if (b == 0)return a;
return gcd(b, a % b);
}
ll lcm(ll a, ll b) {
ll x = (a / gcd(a, b));
return b * x;
}
vl generate_array(ll n, ll mn = 1, ll mx = 1e18 + 1) {
if (mx == 1e18 + 1)
mx = n;
vl ans(n);
for (int i = 0; i < n; i++)
ans[i] = (mn + rand() % (mx - mn + 1));
return ans;
}
string substr(string s, int l, int r) {
string ans;
for (int i = l; i <= r; i++)
ans += s[i];
return ans;
}
void solve();
int main() {
GLHF;
int t = 1;
//cin >> t;
while (t--)
solve();
}
void solve() {
int n;
cin >> n;
vector<string>a(n);
read(a);
for(int i=0; i<n; i++){
reverse(all(a[i]));
a.pb(a[i]);
reverse(all(a[i]));
}
a=UNQ(a);
vector<vector<vvl>>cnt(26,vector<vvl>(26,vvl(26,vl(11))));
n=a.size();
vector<vvl>cnt2(26,vvl(26,vl(11)));
for(int i=0; i<n; i++)
cnt2[a[i][0]-'a'][a[i].back()-'a'][a[i].size()]++;
ll ans=0,mod=998244353;
string AB="abcdefghijklmnopqrst";
for(int l=1; l<=10; l++)
for(char c1:AB)
for(char c2:AB)
for(char c3:AB)
for(char c4:AB){
ll cur=1;
cur=(cur*cnt2[c1-'a'][c4-'a'][l])%mod;
cur=(cur*cnt2[c2-'a'][c4-'a'][l])%mod;
cur=(cur*cnt2[c3-'a'][c4-'a'][l])%mod;
cnt[c1-'a'][c2-'a'][c3-'a'][l]+=cur;
}
for(int l=1; l<=10; l++) {
for (char c1:AB)
for (char c2:AB)
for (char c3:AB)
for (char c4:AB) {
ll cur = 1;
cur = (cur * cnt[c1 - 'a'][c2 - 'a'][c3 - 'a'][l]) % mod;
cur = (cur * cnt[c1 - 'a'][c3 - 'a'][c4 - 'a'][l]) % mod;
cur = (cur * cnt[c2 - 'a'][c3 - 'a'][c4 - 'a'][l]) % mod;
cur = (cur * cnt[c1 - 'a'][c2 - 'a'][c4 - 'a'][l]) % mod;
if(cur){
ll x=1;
}
ans = (ans + cur) % mod;
}
}
out(ans)
}
Compilation message
cubeword.cpp: In function 'void solve()':
cubeword.cpp:190:32: warning: unused variable 'x' [-Wunused-variable]
190 | ll x=1;
| ^
cubeword.cpp: In function 'void usaco(std::string)':
cubeword.cpp:56:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
56 | freopen(FIN, "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~
cubeword.cpp:57:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
57 | freopen(FOUT, "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
143 ms |
25992 KB |
Output is correct |
2 |
Correct |
137 ms |
25952 KB |
Output is correct |
3 |
Correct |
150 ms |
26008 KB |
Output is correct |
4 |
Correct |
137 ms |
25988 KB |
Output is correct |
5 |
Correct |
142 ms |
26028 KB |
Output is correct |
6 |
Correct |
135 ms |
25980 KB |
Output is correct |
7 |
Correct |
136 ms |
25980 KB |
Output is correct |
8 |
Correct |
136 ms |
25896 KB |
Output is correct |
9 |
Correct |
139 ms |
25984 KB |
Output is correct |
10 |
Correct |
141 ms |
25988 KB |
Output is correct |
11 |
Correct |
136 ms |
25980 KB |
Output is correct |
12 |
Correct |
133 ms |
25900 KB |
Output is correct |
13 |
Correct |
134 ms |
25984 KB |
Output is correct |
14 |
Correct |
134 ms |
26048 KB |
Output is correct |
15 |
Correct |
145 ms |
25980 KB |
Output is correct |
16 |
Correct |
136 ms |
25988 KB |
Output is correct |
17 |
Correct |
138 ms |
25980 KB |
Output is correct |
18 |
Correct |
137 ms |
26012 KB |
Output is correct |
19 |
Correct |
133 ms |
25988 KB |
Output is correct |
20 |
Correct |
161 ms |
25904 KB |
Output is correct |
21 |
Correct |
132 ms |
25992 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
143 ms |
25992 KB |
Output is correct |
2 |
Correct |
137 ms |
25952 KB |
Output is correct |
3 |
Correct |
150 ms |
26008 KB |
Output is correct |
4 |
Correct |
137 ms |
25988 KB |
Output is correct |
5 |
Correct |
142 ms |
26028 KB |
Output is correct |
6 |
Correct |
135 ms |
25980 KB |
Output is correct |
7 |
Correct |
136 ms |
25980 KB |
Output is correct |
8 |
Correct |
136 ms |
25896 KB |
Output is correct |
9 |
Correct |
139 ms |
25984 KB |
Output is correct |
10 |
Correct |
141 ms |
25988 KB |
Output is correct |
11 |
Correct |
136 ms |
25980 KB |
Output is correct |
12 |
Correct |
133 ms |
25900 KB |
Output is correct |
13 |
Correct |
134 ms |
25984 KB |
Output is correct |
14 |
Correct |
134 ms |
26048 KB |
Output is correct |
15 |
Correct |
145 ms |
25980 KB |
Output is correct |
16 |
Correct |
136 ms |
25988 KB |
Output is correct |
17 |
Correct |
138 ms |
25980 KB |
Output is correct |
18 |
Correct |
137 ms |
26012 KB |
Output is correct |
19 |
Correct |
133 ms |
25988 KB |
Output is correct |
20 |
Correct |
161 ms |
25904 KB |
Output is correct |
21 |
Correct |
132 ms |
25992 KB |
Output is correct |
22 |
Correct |
139 ms |
25896 KB |
Output is correct |
23 |
Correct |
133 ms |
25864 KB |
Output is correct |
24 |
Correct |
129 ms |
25892 KB |
Output is correct |
25 |
Correct |
133 ms |
25848 KB |
Output is correct |
26 |
Correct |
129 ms |
25852 KB |
Output is correct |
27 |
Correct |
132 ms |
25900 KB |
Output is correct |
28 |
Correct |
138 ms |
25892 KB |
Output is correct |
29 |
Correct |
134 ms |
25848 KB |
Output is correct |
30 |
Correct |
131 ms |
25880 KB |
Output is correct |
31 |
Correct |
128 ms |
25864 KB |
Output is correct |
32 |
Correct |
131 ms |
25860 KB |
Output is correct |
33 |
Correct |
132 ms |
25884 KB |
Output is correct |
34 |
Correct |
137 ms |
25892 KB |
Output is correct |
35 |
Correct |
130 ms |
25892 KB |
Output is correct |
36 |
Correct |
140 ms |
25908 KB |
Output is correct |
37 |
Correct |
133 ms |
25920 KB |
Output is correct |
38 |
Correct |
142 ms |
25864 KB |
Output is correct |
39 |
Correct |
135 ms |
25892 KB |
Output is correct |
40 |
Correct |
134 ms |
25864 KB |
Output is correct |
41 |
Correct |
134 ms |
25868 KB |
Output is correct |
42 |
Correct |
134 ms |
26024 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
143 ms |
25992 KB |
Output is correct |
2 |
Correct |
137 ms |
25952 KB |
Output is correct |
3 |
Correct |
150 ms |
26008 KB |
Output is correct |
4 |
Correct |
137 ms |
25988 KB |
Output is correct |
5 |
Correct |
142 ms |
26028 KB |
Output is correct |
6 |
Correct |
135 ms |
25980 KB |
Output is correct |
7 |
Correct |
136 ms |
25980 KB |
Output is correct |
8 |
Correct |
136 ms |
25896 KB |
Output is correct |
9 |
Correct |
139 ms |
25984 KB |
Output is correct |
10 |
Correct |
141 ms |
25988 KB |
Output is correct |
11 |
Correct |
136 ms |
25980 KB |
Output is correct |
12 |
Correct |
133 ms |
25900 KB |
Output is correct |
13 |
Correct |
134 ms |
25984 KB |
Output is correct |
14 |
Correct |
134 ms |
26048 KB |
Output is correct |
15 |
Correct |
145 ms |
25980 KB |
Output is correct |
16 |
Correct |
136 ms |
25988 KB |
Output is correct |
17 |
Correct |
138 ms |
25980 KB |
Output is correct |
18 |
Correct |
137 ms |
26012 KB |
Output is correct |
19 |
Correct |
133 ms |
25988 KB |
Output is correct |
20 |
Correct |
161 ms |
25904 KB |
Output is correct |
21 |
Correct |
132 ms |
25992 KB |
Output is correct |
22 |
Correct |
139 ms |
25896 KB |
Output is correct |
23 |
Correct |
133 ms |
25864 KB |
Output is correct |
24 |
Correct |
129 ms |
25892 KB |
Output is correct |
25 |
Correct |
133 ms |
25848 KB |
Output is correct |
26 |
Correct |
129 ms |
25852 KB |
Output is correct |
27 |
Correct |
132 ms |
25900 KB |
Output is correct |
28 |
Correct |
138 ms |
25892 KB |
Output is correct |
29 |
Correct |
134 ms |
25848 KB |
Output is correct |
30 |
Correct |
131 ms |
25880 KB |
Output is correct |
31 |
Correct |
128 ms |
25864 KB |
Output is correct |
32 |
Correct |
131 ms |
25860 KB |
Output is correct |
33 |
Correct |
132 ms |
25884 KB |
Output is correct |
34 |
Correct |
137 ms |
25892 KB |
Output is correct |
35 |
Correct |
130 ms |
25892 KB |
Output is correct |
36 |
Correct |
140 ms |
25908 KB |
Output is correct |
37 |
Correct |
133 ms |
25920 KB |
Output is correct |
38 |
Correct |
142 ms |
25864 KB |
Output is correct |
39 |
Correct |
135 ms |
25892 KB |
Output is correct |
40 |
Correct |
134 ms |
25864 KB |
Output is correct |
41 |
Correct |
134 ms |
25868 KB |
Output is correct |
42 |
Correct |
134 ms |
26024 KB |
Output is correct |
43 |
Runtime error |
113 ms |
25860 KB |
Execution killed with signal 11 |
44 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
143 ms |
25992 KB |
Output is correct |
2 |
Correct |
137 ms |
25952 KB |
Output is correct |
3 |
Correct |
150 ms |
26008 KB |
Output is correct |
4 |
Correct |
137 ms |
25988 KB |
Output is correct |
5 |
Correct |
142 ms |
26028 KB |
Output is correct |
6 |
Correct |
135 ms |
25980 KB |
Output is correct |
7 |
Correct |
136 ms |
25980 KB |
Output is correct |
8 |
Correct |
136 ms |
25896 KB |
Output is correct |
9 |
Correct |
139 ms |
25984 KB |
Output is correct |
10 |
Correct |
141 ms |
25988 KB |
Output is correct |
11 |
Correct |
136 ms |
25980 KB |
Output is correct |
12 |
Correct |
133 ms |
25900 KB |
Output is correct |
13 |
Correct |
134 ms |
25984 KB |
Output is correct |
14 |
Correct |
134 ms |
26048 KB |
Output is correct |
15 |
Correct |
145 ms |
25980 KB |
Output is correct |
16 |
Correct |
136 ms |
25988 KB |
Output is correct |
17 |
Correct |
138 ms |
25980 KB |
Output is correct |
18 |
Correct |
137 ms |
26012 KB |
Output is correct |
19 |
Correct |
133 ms |
25988 KB |
Output is correct |
20 |
Correct |
161 ms |
25904 KB |
Output is correct |
21 |
Correct |
132 ms |
25992 KB |
Output is correct |
22 |
Correct |
139 ms |
25896 KB |
Output is correct |
23 |
Correct |
133 ms |
25864 KB |
Output is correct |
24 |
Correct |
129 ms |
25892 KB |
Output is correct |
25 |
Correct |
133 ms |
25848 KB |
Output is correct |
26 |
Correct |
129 ms |
25852 KB |
Output is correct |
27 |
Correct |
132 ms |
25900 KB |
Output is correct |
28 |
Correct |
138 ms |
25892 KB |
Output is correct |
29 |
Correct |
134 ms |
25848 KB |
Output is correct |
30 |
Correct |
131 ms |
25880 KB |
Output is correct |
31 |
Correct |
128 ms |
25864 KB |
Output is correct |
32 |
Correct |
131 ms |
25860 KB |
Output is correct |
33 |
Correct |
132 ms |
25884 KB |
Output is correct |
34 |
Correct |
137 ms |
25892 KB |
Output is correct |
35 |
Correct |
130 ms |
25892 KB |
Output is correct |
36 |
Correct |
140 ms |
25908 KB |
Output is correct |
37 |
Correct |
133 ms |
25920 KB |
Output is correct |
38 |
Correct |
142 ms |
25864 KB |
Output is correct |
39 |
Correct |
135 ms |
25892 KB |
Output is correct |
40 |
Correct |
134 ms |
25864 KB |
Output is correct |
41 |
Correct |
134 ms |
25868 KB |
Output is correct |
42 |
Correct |
134 ms |
26024 KB |
Output is correct |
43 |
Runtime error |
113 ms |
25860 KB |
Execution killed with signal 11 |
44 |
Halted |
0 ms |
0 KB |
- |