oj.uz

Submission #448654

# Submission time Handle Problem Language Result Execution time Memory
448654 2021-07-31T11:36:33 Z marcipan5000 Cubeword (CEOI19_cubeword) C++14
84 / 100
 272 ms 5376 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long int ll;

const long long int mo=998244353;
int n;
ll t[50][50][50];
ll g[50][50];

int turn(char x) {
    if (('a'<=x)&&('p'>=x)) {
        return(x-'a');
    }
    return(x-'A'+16);

}

void eval(string z) {
    if (z[0]!=z[z.size()-1]) {
        g[turn(z[0])][turn(z[z.size()-1])]=(g[turn(z[0])][turn(z[z.size()-1])]+1)%mo;
        g[turn(z[z.size()-1])][turn(z[0])]=(g[turn(z[z.size()-1])][turn(z[0])]+1)%mo;
        return;
    }
    bool isPal=1;
    for (int i=0;i<z.size();i++) {
        if (z[i]!=z[z.size()-1-i]) {
            isPal=0;
            break;
        }
    }
    if (isPal==0) {
        g[turn(z[0])][turn(z[z.size()-1])]=(g[turn(z[0])][turn(z[z.size()-1])]+2)%mo;
    } else {
        g[turn(z[0])][turn(z[z.size()-1])]=(g[turn(z[0])][turn(z[z.size()-1])]+1)%mo;
    }
    return;
}

vector<string> f;

bool kis(string a,string b) {
    return((a.size()<b.size())||((a.size()==b.size())&&(a<b)));
}

ll solve(int u,int v) {
    for (int i=0;i<32;i++) {
        for (int j=0;j<32;j++) {
            g[i][j]=0;
            for (int k=0;k<32;k++) {
                t[i][j][k]=0;
            }
        }
    }
    for (int i=u;i<v;i++) {
        if ((i==u)||(f[i]!=f[i-1])) {
            eval(f[i]);
        }
    }
    for (int i=0;i<32;i++) {
        for (int j=0;j<32;j++) {
            for (int k=0;k<32;k++) {
                for (int mid=0;mid<32;mid++) {
                    t[i][j][k]=(t[i][j][k]+(((g[i][mid]*g[j][mid])%mo)*g[k][mid])%mo)%mo;
                }
            }
        }
    }
    ll ans=0;
    for (int i=0;i<32;i++) {
        for (int j=0;j<32;j++) {
            for (int k=0;k<32;k++) {
                for (int l=0;l<32;l++) {
                    ans=(ans+(((((t[i][j][k]*t[i][j][l])%mo)*t[i][k][l])%mo)*t[j][k][l])%mo)%mo;
                }
            }
        }
    }
    return(ans);
}

string flip(string a) {
    string b=a;
    for (int i=0;i<a.size();i++) {
        b[a.size()-i-1]=a[i];
    }
    if (a<b) {
        return(a);
    } else {
        return(b);
    }
}

int main()
{
    cin >> n;
    string a;
    for (int i=0;i<n;i++) {
        cin >> a;
        f.push_back(flip(a));
    }
    sort(f.begin(),f.end(),kis);
    int l=0,r=0;
    ll finAns=0;
    while (r<n) {
        while ((r<n)&&(f[l].size()==f[r].size())) {
            r++;
        }
        finAns=(finAns+solve(l,r))%mo;
        l=r;
    }
    cout << finAns << endl;
    return 0;
}

/*
for (int i=0;i<62;i++) {
    for (int j=0;j<62;j++) {
        if (g[i][j]!=0) {
            cout << i << " " << j << " " << g[i][j] << endl;
        }
    }
}
*/

Compilation message

cubeword.cpp: In function 'void eval(std::string)':
cubeword.cpp:27:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     for (int i=0;i<z.size();i++) {
      |                  ~^~~~~~~~~
cubeword.cpp: In function 'std::string flip(std::string)':
cubeword.cpp:85:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |     for (int i=0;i<a.size();i++) {
      |                  ~^~~~~~~~~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 249 ms 4492 KB Output is correct
2 Correct 243 ms 5172 KB Output is correct
3 Correct 249 ms 5340 KB Output is correct
4 Correct 242 ms 5228 KB Output is correct
5 Correct 240 ms 5172 KB Output is correct
6 Correct 252 ms 5224 KB Output is correct
7 Correct 239 ms 5168 KB Output is correct
8 Correct 248 ms 5228 KB Output is correct
9 Correct 240 ms 5208 KB Output is correct
10 Correct 242 ms 5220 KB Output is correct
11 Correct 241 ms 5172 KB Output is correct
12 Correct 241 ms 5172 KB Output is correct
13 Correct 240 ms 5172 KB Output is correct
14 Correct 241 ms 5264 KB Output is correct
15 Correct 239 ms 5168 KB Output is correct
16 Correct 239 ms 5176 KB Output is correct
17 Correct 243 ms 5168 KB Output is correct
18 Correct 239 ms 5308 KB Output is correct
19 Correct 241 ms 5180 KB Output is correct
20 Correct 238 ms 5160 KB Output is correct
21 Correct 241 ms 5228 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 249 ms 4492 KB Output is correct
2 Correct 243 ms 5172 KB Output is correct
3 Correct 249 ms 5340 KB Output is correct
4 Correct 242 ms 5228 KB Output is correct
5 Correct 240 ms 5172 KB Output is correct
6 Correct 252 ms 5224 KB Output is correct
7 Correct 239 ms 5168 KB Output is correct
8 Correct 248 ms 5228 KB Output is correct
9 Correct 240 ms 5208 KB Output is correct
10 Correct 242 ms 5220 KB Output is correct
11 Correct 241 ms 5172 KB Output is correct
12 Correct 241 ms 5172 KB Output is correct
13 Correct 240 ms 5172 KB Output is correct
14 Correct 241 ms 5264 KB Output is correct
15 Correct 239 ms 5168 KB Output is correct
16 Correct 239 ms 5176 KB Output is correct
17 Correct 243 ms 5168 KB Output is correct
18 Correct 239 ms 5308 KB Output is correct
19 Correct 241 ms 5180 KB Output is correct
20 Correct 238 ms 5160 KB Output is correct
21 Correct 241 ms 5228 KB Output is correct
22 Correct 238 ms 5200 KB Output is correct
23 Correct 242 ms 5244 KB Output is correct
24 Correct 243 ms 5248 KB Output is correct
25 Correct 242 ms 5180 KB Output is correct
26 Correct 239 ms 5284 KB Output is correct
27 Correct 238 ms 5172 KB Output is correct
28 Correct 245 ms 5216 KB Output is correct
29 Correct 241 ms 5376 KB Output is correct
30 Correct 239 ms 5172 KB Output is correct
31 Correct 272 ms 5180 KB Output is correct
32 Correct 251 ms 5176 KB Output is correct
33 Correct 235 ms 5172 KB Output is correct
34 Correct 239 ms 5276 KB Output is correct
35 Correct 240 ms 5300 KB Output is correct
36 Correct 240 ms 5300 KB Output is correct
37 Correct 252 ms 5172 KB Output is correct
38 Correct 239 ms 5220 KB Output is correct
39 Correct 239 ms 5180 KB Output is correct
40 Correct 239 ms 5300 KB Output is correct
41 Correct 243 ms 5164 KB Output is correct
42 Correct 241 ms 5252 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 249 ms 4492 KB Output is correct
2 Correct 243 ms 5172 KB Output is correct
3 Correct 249 ms 5340 KB Output is correct
4 Correct 242 ms 5228 KB Output is correct
5 Correct 240 ms 5172 KB Output is correct
6 Correct 252 ms 5224 KB Output is correct
7 Correct 239 ms 5168 KB Output is correct
8 Correct 248 ms 5228 KB Output is correct
9 Correct 240 ms 5208 KB Output is correct
10 Correct 242 ms 5220 KB Output is correct
11 Correct 241 ms 5172 KB Output is correct
12 Correct 241 ms 5172 KB Output is correct
13 Correct 240 ms 5172 KB Output is correct
14 Correct 241 ms 5264 KB Output is correct
15 Correct 239 ms 5168 KB Output is correct
16 Correct 239 ms 5176 KB Output is correct
17 Correct 243 ms 5168 KB Output is correct
18 Correct 239 ms 5308 KB Output is correct
19 Correct 241 ms 5180 KB Output is correct
20 Correct 238 ms 5160 KB Output is correct
21 Correct 241 ms 5228 KB Output is correct
22 Correct 238 ms 5200 KB Output is correct
23 Correct 242 ms 5244 KB Output is correct
24 Correct 243 ms 5248 KB Output is correct
25 Correct 242 ms 5180 KB Output is correct
26 Correct 239 ms 5284 KB Output is correct
27 Correct 238 ms 5172 KB Output is correct
28 Correct 245 ms 5216 KB Output is correct
29 Correct 241 ms 5376 KB Output is correct
30 Correct 239 ms 5172 KB Output is correct
31 Correct 272 ms 5180 KB Output is correct
32 Correct 251 ms 5176 KB Output is correct
33 Correct 235 ms 5172 KB Output is correct
34 Correct 239 ms 5276 KB Output is correct
35 Correct 240 ms 5300 KB Output is correct
36 Correct 240 ms 5300 KB Output is correct
37 Correct 252 ms 5172 KB Output is correct
38 Correct 239 ms 5220 KB Output is correct
39 Correct 239 ms 5180 KB Output is correct
40 Correct 239 ms 5300 KB Output is correct
41 Correct 243 ms 5164 KB Output is correct
42 Correct 241 ms 5252 KB Output is correct
43 Correct 238 ms 5108 KB Output is correct
44 Correct 240 ms 5088 KB Output is correct
45 Correct 237 ms 5076 KB Output is correct
46 Correct 238 ms 5068 KB Output is correct
47 Correct 236 ms 5052 KB Output is correct
48 Correct 236 ms 5136 KB Output is correct
49 Correct 243 ms 5052 KB Output is correct
50 Correct 244 ms 5032 KB Output is correct
51 Correct 242 ms 5052 KB Output is correct
52 Correct 247 ms 5036 KB Output is correct
53 Correct 240 ms 5044 KB Output is correct
54 Correct 240 ms 5136 KB Output is correct
55 Correct 241 ms 5044 KB Output is correct
56 Correct 240 ms 5128 KB Output is correct
57 Correct 237 ms 5052 KB Output is correct
58 Correct 244 ms 5104 KB Output is correct
59 Correct 241 ms 5132 KB Output is correct
60 Correct 236 ms 5044 KB Output is correct
61 Correct 247 ms 5128 KB Output is correct
62 Correct 237 ms 5168 KB Output is correct
63 Correct 236 ms 5044 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 249 ms 4492 KB Output is correct
2 Correct 243 ms 5172 KB Output is correct
3 Correct 249 ms 5340 KB Output is correct
4 Correct 242 ms 5228 KB Output is correct
5 Correct 240 ms 5172 KB Output is correct
6 Correct 252 ms 5224 KB Output is correct
7 Correct 239 ms 5168 KB Output is correct
8 Correct 248 ms 5228 KB Output is correct
9 Correct 240 ms 5208 KB Output is correct
10 Correct 242 ms 5220 KB Output is correct
11 Correct 241 ms 5172 KB Output is correct
12 Correct 241 ms 5172 KB Output is correct
13 Correct 240 ms 5172 KB Output is correct
14 Correct 241 ms 5264 KB Output is correct
15 Correct 239 ms 5168 KB Output is correct
16 Correct 239 ms 5176 KB Output is correct
17 Correct 243 ms 5168 KB Output is correct
18 Correct 239 ms 5308 KB Output is correct
19 Correct 241 ms 5180 KB Output is correct
20 Correct 238 ms 5160 KB Output is correct
21 Correct 241 ms 5228 KB Output is correct
22 Correct 238 ms 5200 KB Output is correct
23 Correct 242 ms 5244 KB Output is correct
24 Correct 243 ms 5248 KB Output is correct
25 Correct 242 ms 5180 KB Output is correct
26 Correct 239 ms 5284 KB Output is correct
27 Correct 238 ms 5172 KB Output is correct
28 Correct 245 ms 5216 KB Output is correct
29 Correct 241 ms 5376 KB Output is correct
30 Correct 239 ms 5172 KB Output is correct
31 Correct 272 ms 5180 KB Output is correct
32 Correct 251 ms 5176 KB Output is correct
33 Correct 235 ms 5172 KB Output is correct
34 Correct 239 ms 5276 KB Output is correct
35 Correct 240 ms 5300 KB Output is correct
36 Correct 240 ms 5300 KB Output is correct
37 Correct 252 ms 5172 KB Output is correct
38 Correct 239 ms 5220 KB Output is correct
39 Correct 239 ms 5180 KB Output is correct
40 Correct 239 ms 5300 KB Output is correct
41 Correct 243 ms 5164 KB Output is correct
42 Correct 241 ms 5252 KB Output is correct
43 Correct 238 ms 5108 KB Output is correct
44 Correct 240 ms 5088 KB Output is correct
45 Correct 237 ms 5076 KB Output is correct
46 Correct 238 ms 5068 KB Output is correct
47 Correct 236 ms 5052 KB Output is correct
48 Correct 236 ms 5136 KB Output is correct
49 Correct 243 ms 5052 KB Output is correct
50 Correct 244 ms 5032 KB Output is correct
51 Correct 242 ms 5052 KB Output is correct
52 Correct 247 ms 5036 KB Output is correct
53 Correct 240 ms 5044 KB Output is correct
54 Correct 240 ms 5136 KB Output is correct
55 Correct 241 ms 5044 KB Output is correct
56 Correct 240 ms 5128 KB Output is correct
57 Correct 237 ms 5052 KB Output is correct
58 Correct 244 ms 5104 KB Output is correct
59 Correct 241 ms 5132 KB Output is correct
60 Correct 236 ms 5044 KB Output is correct
61 Correct 247 ms 5128 KB Output is correct
62 Correct 237 ms 5168 KB Output is correct
63 Correct 236 ms 5044 KB Output is correct
64 Runtime error 245 ms 5124 KB Execution killed with signal 11
65 Halted 0 ms 0 KB -