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Submission #498039

# Submission time Handle Problem Language Result Execution time Memory
498039 2021-12-24T09:57:12 Z andrei_boaca Cubeword (CEOI19_cubeword) C++17
100 / 100
 329 ms 22492 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
using namespace std;
const int mod=998244353,alphsize=26,lgalph=62;
set<string> setik;
vector<int> muchii[25];
int nr[15][105][105];
int val[11];
int fact[5];
int n,ans,coef[15][500005];
bool found[11];
int toint(char c)
{
    if(islower(c))
        return c-'a'+1;
    if(isupper(c))
        return alphsize+c-'A'+1;
    if(isdigit(c))
        return 2*alphsize+c-'0'+1;
}
int gethash(int a, int b, int c)
{
    return a*lgalph*lgalph+b*lgalph+c;
}
int v[5];
int repperm(int a, int b,int c, int d)
{
    v[1]=a;
    v[2]=b;
    v[3]=c;
    v[4]=d;
    int rez=1*2*3*4;
    int lg=0;
    for(int i=1;i<=4;i++)
    {
        if(v[i]==v[i-1])
            lg++;
        else
        {
            rez=rez/fact[lg];
            lg=1;
        }
        if(i==4)
            rez=rez/fact[lg];
    }
    return rez;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin>>n;
    fact[0]=fact[1]=1;
    fact[2]=2;
    fact[3]=6;
    fact[4]=24;
    for(int i=1;i<=n;i++)
    {
        string a;
        cin>>a;
        setik.insert(a);
        reverse(a.begin(),a.end());
        setik.insert(a);
    }
    for(string s:setik)
    {
        int lg=s.size();
        int x=toint(s[0]);
        int y=toint(s[lg-1]);
        nr[lg][x][y]++;
        found[lg]=1;
    }
    for(int sz=3;sz<=10;sz++)
    {
        if(!found[sz])
            continue;
        found[sz]=0;
        for(int t=1;t<=lgalph;t++)
        {
            for(int x=1;x<=lgalph;x++)
            {
                if(nr[sz][x][t]==0)
                    continue;
                for(int y=x;y<=lgalph;y++)
                {
                    if(nr[sz][y][t]==0)
                        continue;
                    for(int z=y;z<=lgalph;z++)
                    {
                        if(nr[sz][z][t]==0)
                            continue;
                        int h=gethash(x,y,z);
                        int sol=(1LL*nr[sz][x][t]*nr[sz][y][t])%mod;
                        sol=(1LL*sol*nr[sz][z][t])%mod;
                        coef[sz][h]=(coef[sz][h]+sol)%mod;
                        if(coef[sz][h]!=0)
                            found[sz]=1;
                    }
                }
            }
        }
    }
    for(int sz=3;sz<=10;sz++)
    {
        if(!found[sz])
            continue;
        for(val[1]=1;val[1]<=lgalph;val[1]++)
            for(val[3]=val[1];val[3]<=lgalph;val[3]++)
                for(val[6]=val[3];val[6]<=lgalph;val[6]++)
                {
                    int h=gethash(val[1],val[3],val[6]);
                    if(coef[sz][h]==0)
                        continue;
                    for(val[8]=val[6];val[8]<=lgalph;val[8]++)
                    {
                        int sol=1;
                        int x=gethash(val[1],val[3],val[6]);
                        sol=(1LL*sol*coef[sz][x])%mod;
                        x=gethash(val[1],val[3],val[8]);
                        sol=(1LL*sol*coef[sz][x])%mod;
                        x=gethash(val[1],val[6],val[8]);
                        sol=(1LL*sol*coef[sz][x])%mod;
                        x=gethash(val[3],val[6],val[8]);
                        sol=(1LL*sol*coef[sz][x])%mod;
                        sol=(1LL*sol*repperm(val[1],val[3],val[6],val[8]))%mod;
                        ans=(ans+sol)%mod;
                    }
                }
    }
    cout<<ans;
    return 0;
}

Compilation message

cubeword.cpp: In function 'int toint(char)':
cubeword.cpp:20:1: warning: control reaches end of non-void function [-Wreturn-type]
   20 | }
      | ^

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 148 ms 15880 KB Output is correct
2 Correct 162 ms 15820 KB Output is correct
3 Correct 130 ms 15944 KB Output is correct
4 Correct 131 ms 15932 KB Output is correct
5 Correct 162 ms 15948 KB Output is correct
6 Correct 138 ms 15880 KB Output is correct
7 Correct 137 ms 15944 KB Output is correct
8 Correct 129 ms 15892 KB Output is correct
9 Correct 133 ms 15944 KB Output is correct
10 Correct 153 ms 15852 KB Output is correct
11 Correct 129 ms 15888 KB Output is correct
12 Correct 132 ms 15840 KB Output is correct
13 Correct 148 ms 15904 KB Output is correct
14 Correct 150 ms 15952 KB Output is correct
15 Correct 146 ms 15944 KB Output is correct
16 Correct 132 ms 15892 KB Output is correct
17 Correct 163 ms 15948 KB Output is correct
18 Correct 129 ms 15932 KB Output is correct
19 Correct 128 ms 15816 KB Output is correct
20 Correct 165 ms 15860 KB Output is correct
21 Correct 139 ms 15928 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 148 ms 15880 KB Output is correct
2 Correct 162 ms 15820 KB Output is correct
3 Correct 130 ms 15944 KB Output is correct
4 Correct 131 ms 15932 KB Output is correct
5 Correct 162 ms 15948 KB Output is correct
6 Correct 138 ms 15880 KB Output is correct
7 Correct 137 ms 15944 KB Output is correct
8 Correct 129 ms 15892 KB Output is correct
9 Correct 133 ms 15944 KB Output is correct
10 Correct 153 ms 15852 KB Output is correct
11 Correct 129 ms 15888 KB Output is correct
12 Correct 132 ms 15840 KB Output is correct
13 Correct 148 ms 15904 KB Output is correct
14 Correct 150 ms 15952 KB Output is correct
15 Correct 146 ms 15944 KB Output is correct
16 Correct 132 ms 15892 KB Output is correct
17 Correct 163 ms 15948 KB Output is correct
18 Correct 129 ms 15932 KB Output is correct
19 Correct 128 ms 15816 KB Output is correct
20 Correct 165 ms 15860 KB Output is correct
21 Correct 139 ms 15928 KB Output is correct
22 Correct 134 ms 17092 KB Output is correct
23 Correct 154 ms 17040 KB Output is correct
24 Correct 184 ms 17048 KB Output is correct
25 Correct 136 ms 17088 KB Output is correct
26 Correct 161 ms 17080 KB Output is correct
27 Correct 151 ms 16968 KB Output is correct
28 Correct 145 ms 17068 KB Output is correct
29 Correct 151 ms 16988 KB Output is correct
30 Correct 153 ms 17004 KB Output is correct
31 Correct 167 ms 17060 KB Output is correct
32 Correct 136 ms 17000 KB Output is correct
33 Correct 149 ms 16976 KB Output is correct
34 Correct 147 ms 16964 KB Output is correct
35 Correct 150 ms 16972 KB Output is correct
36 Correct 187 ms 17080 KB Output is correct
37 Correct 141 ms 17080 KB Output is correct
38 Correct 154 ms 16984 KB Output is correct
39 Correct 163 ms 17084 KB Output is correct
40 Correct 166 ms 17080 KB Output is correct
41 Correct 151 ms 17024 KB Output is correct
42 Correct 144 ms 17060 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 148 ms 15880 KB Output is correct
2 Correct 162 ms 15820 KB Output is correct
3 Correct 130 ms 15944 KB Output is correct
4 Correct 131 ms 15932 KB Output is correct
5 Correct 162 ms 15948 KB Output is correct
6 Correct 138 ms 15880 KB Output is correct
7 Correct 137 ms 15944 KB Output is correct
8 Correct 129 ms 15892 KB Output is correct
9 Correct 133 ms 15944 KB Output is correct
10 Correct 153 ms 15852 KB Output is correct
11 Correct 129 ms 15888 KB Output is correct
12 Correct 132 ms 15840 KB Output is correct
13 Correct 148 ms 15904 KB Output is correct
14 Correct 150 ms 15952 KB Output is correct
15 Correct 146 ms 15944 KB Output is correct
16 Correct 132 ms 15892 KB Output is correct
17 Correct 163 ms 15948 KB Output is correct
18 Correct 129 ms 15932 KB Output is correct
19 Correct 128 ms 15816 KB Output is correct
20 Correct 165 ms 15860 KB Output is correct
21 Correct 139 ms 15928 KB Output is correct
22 Correct 134 ms 17092 KB Output is correct
23 Correct 154 ms 17040 KB Output is correct
24 Correct 184 ms 17048 KB Output is correct
25 Correct 136 ms 17088 KB Output is correct
26 Correct 161 ms 17080 KB Output is correct
27 Correct 151 ms 16968 KB Output is correct
28 Correct 145 ms 17068 KB Output is correct
29 Correct 151 ms 16988 KB Output is correct
30 Correct 153 ms 17004 KB Output is correct
31 Correct 167 ms 17060 KB Output is correct
32 Correct 136 ms 17000 KB Output is correct
33 Correct 149 ms 16976 KB Output is correct
34 Correct 147 ms 16964 KB Output is correct
35 Correct 150 ms 16972 KB Output is correct
36 Correct 187 ms 17080 KB Output is correct
37 Correct 141 ms 17080 KB Output is correct
38 Correct 154 ms 16984 KB Output is correct
39 Correct 163 ms 17084 KB Output is correct
40 Correct 166 ms 17080 KB Output is correct
41 Correct 151 ms 17024 KB Output is correct
42 Correct 144 ms 17060 KB Output is correct
43 Correct 171 ms 18824 KB Output is correct
44 Correct 211 ms 18908 KB Output is correct
45 Correct 158 ms 18832 KB Output is correct
46 Correct 163 ms 18992 KB Output is correct
47 Correct 187 ms 18896 KB Output is correct
48 Correct 162 ms 18900 KB Output is correct
49 Correct 161 ms 18888 KB Output is correct
50 Correct 178 ms 18804 KB Output is correct
51 Correct 167 ms 18956 KB Output is correct
52 Correct 164 ms 18900 KB Output is correct
53 Correct 196 ms 18904 KB Output is correct
54 Correct 164 ms 18888 KB Output is correct
55 Correct 163 ms 18844 KB Output is correct
56 Correct 180 ms 18888 KB Output is correct
57 Correct 155 ms 18852 KB Output is correct
58 Correct 176 ms 18796 KB Output is correct
59 Correct 181 ms 18832 KB Output is correct
60 Correct 167 ms 18824 KB Output is correct
61 Correct 178 ms 18800 KB Output is correct
62 Correct 178 ms 18844 KB Output is correct
63 Correct 168 ms 18908 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 148 ms 15880 KB Output is correct
2 Correct 162 ms 15820 KB Output is correct
3 Correct 130 ms 15944 KB Output is correct
4 Correct 131 ms 15932 KB Output is correct
5 Correct 162 ms 15948 KB Output is correct
6 Correct 138 ms 15880 KB Output is correct
7 Correct 137 ms 15944 KB Output is correct
8 Correct 129 ms 15892 KB Output is correct
9 Correct 133 ms 15944 KB Output is correct
10 Correct 153 ms 15852 KB Output is correct
11 Correct 129 ms 15888 KB Output is correct
12 Correct 132 ms 15840 KB Output is correct
13 Correct 148 ms 15904 KB Output is correct
14 Correct 150 ms 15952 KB Output is correct
15 Correct 146 ms 15944 KB Output is correct
16 Correct 132 ms 15892 KB Output is correct
17 Correct 163 ms 15948 KB Output is correct
18 Correct 129 ms 15932 KB Output is correct
19 Correct 128 ms 15816 KB Output is correct
20 Correct 165 ms 15860 KB Output is correct
21 Correct 139 ms 15928 KB Output is correct
22 Correct 134 ms 17092 KB Output is correct
23 Correct 154 ms 17040 KB Output is correct
24 Correct 184 ms 17048 KB Output is correct
25 Correct 136 ms 17088 KB Output is correct
26 Correct 161 ms 17080 KB Output is correct
27 Correct 151 ms 16968 KB Output is correct
28 Correct 145 ms 17068 KB Output is correct
29 Correct 151 ms 16988 KB Output is correct
30 Correct 153 ms 17004 KB Output is correct
31 Correct 167 ms 17060 KB Output is correct
32 Correct 136 ms 17000 KB Output is correct
33 Correct 149 ms 16976 KB Output is correct
34 Correct 147 ms 16964 KB Output is correct
35 Correct 150 ms 16972 KB Output is correct
36 Correct 187 ms 17080 KB Output is correct
37 Correct 141 ms 17080 KB Output is correct
38 Correct 154 ms 16984 KB Output is correct
39 Correct 163 ms 17084 KB Output is correct
40 Correct 166 ms 17080 KB Output is correct
41 Correct 151 ms 17024 KB Output is correct
42 Correct 144 ms 17060 KB Output is correct
43 Correct 171 ms 18824 KB Output is correct
44 Correct 211 ms 18908 KB Output is correct
45 Correct 158 ms 18832 KB Output is correct
46 Correct 163 ms 18992 KB Output is correct
47 Correct 187 ms 18896 KB Output is correct
48 Correct 162 ms 18900 KB Output is correct
49 Correct 161 ms 18888 KB Output is correct
50 Correct 178 ms 18804 KB Output is correct
51 Correct 167 ms 18956 KB Output is correct
52 Correct 164 ms 18900 KB Output is correct
53 Correct 196 ms 18904 KB Output is correct
54 Correct 164 ms 18888 KB Output is correct
55 Correct 163 ms 18844 KB Output is correct
56 Correct 180 ms 18888 KB Output is correct
57 Correct 155 ms 18852 KB Output is correct
58 Correct 176 ms 18796 KB Output is correct
59 Correct 181 ms 18832 KB Output is correct
60 Correct 167 ms 18824 KB Output is correct
61 Correct 178 ms 18800 KB Output is correct
62 Correct 178 ms 18844 KB Output is correct
63 Correct 168 ms 18908 KB Output is correct
64 Correct 286 ms 22368 KB Output is correct
65 Correct 320 ms 22316 KB Output is correct
66 Correct 293 ms 22364 KB Output is correct
67 Correct 298 ms 22484 KB Output is correct
68 Correct 284 ms 22364 KB Output is correct
69 Correct 329 ms 22368 KB Output is correct
70 Correct 292 ms 22252 KB Output is correct
71 Correct 280 ms 22336 KB Output is correct
72 Correct 284 ms 22364 KB Output is correct
73 Correct 280 ms 22492 KB Output is correct
74 Correct 272 ms 22296 KB Output is correct
75 Correct 322 ms 22344 KB Output is correct
76 Correct 295 ms 22356 KB Output is correct
77 Correct 292 ms 22356 KB Output is correct
78 Correct 272 ms 22364 KB Output is correct
79 Correct 268 ms 22360 KB Output is correct
80 Correct 298 ms 22296 KB Output is correct
81 Correct 265 ms 22356 KB Output is correct
82 Correct 294 ms 22356 KB Output is correct
83 Correct 266 ms 22312 KB Output is correct
84 Correct 316 ms 22336 KB Output is correct