Submission #446280

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
446280	2021-07-21 12:52:50	benedict0724	Cubeword (CEOI19_cubeword)	C++17	100 / 100	432 ms	27076 KiB

cubeword

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll cnt[62][62][11];
ll Pre[62][62][62][11];
ll ans = 0;
const ll mod = 998244353;
map<string, int> M;
int f(char c)
{
    if('a' <= c && c <= 'z') return (int)(c - 'a');
    if('A' <= c && c <= 'Z') return (int)(c - 'A' + 26);
    return c - '0' + 52;
}
int main()
{
    int n; cin >> n;
    for(int i=1;i<=n;i++)
    {
        string s; cin >> s;
        string p = s;
        reverse(p.begin(), p.end());
        if(M[p]) continue;
        M[s] = 1;
        int t = s.size();
 
 
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• Subtask 1: 21 / 21
• Subtask 2: 29 / 29
• Subtask 3: 34 / 34
• Subtask 4: 16 / 16