oj.uz

Submission #249507

# Submission time Handle Problem Language Result Execution time Memory
249507 2020-07-15T07:32:05 Z b00n0rp Cubeword (CEOI19_cubeword) C++17
100 / 100
 1018 ms 38928 KB 
// --------------------------------------------------<TEMPLATE>--------------------------------------------------
// --------------------<optimizations>--------------------

#pragma GCC optimize("unroll-loops")

/*
#pragma GCC target("avx,avx2,fma")
*/ 

// -------------------</optimizations>--------------------
 
// ---------------<Headers and namespaces>----------------
#include <bits/stdc++.h>
using namespace std;
 
/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
*/
 
// ---------------</Headers and namespaces>---------------
 
// -----------------<Defines and typedefs>----------------
// typedef tree<int,null_type,less<int>,rb_tree_tag, \
tree_order_statistics_node_update> indexed_set; // use less_equal for multiset
// order_of_key (val): returns the no. of values less than val
// find_by_order (k): returns the iterator to kth largest element.(0-based)
 
typedef long double LD;
typedef long long ll;
#define int ll
#define pb push_back
#define mp make_pair
#define REP(i,n) for (int i = 0; i < n; i++)
#define FOR(i,a,b) for (int i = a; i < b; i++)
#define REPD(i,n) for (int i = n-1; i >= 0; i--)
#define FORD(i,a,b) for (int i = a; i >= b; i--)
#define remax(a,b) a = max(a,b)
#define remin(a,b) a = min(a,b)
#define all(v) v.begin(),v.end()
typedef map<int,int> mii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int,int> pii;
typedef vector<pii> vpii;
#define F first
#define S second
#define PQ(type) priority_queue<type>
#define PQD(type) priority_queue<type,vector<type>,greater<type> >
#define WL(t) while(t --)
#define SZ(x) ((int)(x).size())
#define runtime() ((double)clock() / CLOCKS_PER_SEC)
#define inrange(i,a,b) ((i>=min(a,b)) && (i<=max(a,b)))
 
/*
// -----<SCANF>-----
#define sfi(x) scanf("%d",&x);
#define sfi2(x,y) scanf("%d%d",&x,&y);
#define sfi3(x,y,z) scanf("%d%d%d",&x,&y,&z);
 
#define sfl(x) scanf("%lld",&x);
#define sfl2(x,y) scanf("%lld%lld",&x,&y);
#define sfl3(x,y,z) scanf("%lld%lld%lld",&x,&y,&z);
#define sfl4(x,y,z,x1) scanf("%lld%lld%lld%lld",&x,&y,&z,&x1);
#define sfl5(x,y,z,x1,y1) scanf("%lld%lld%lld%lld%lld",&x,&y,&z,&x1,&y1);
#define sfl6(x,y,z,x1,y1,z1) scanf("%lld%lld%lld%lld%lld%lld",&x,&y,&z,&x1,&y1,&z1);
 
#define sfs(x) scanf("%s",x);
#define sfs2(x,y) scanf("%s%s",x,y);
#define sfs3(x,y,z) scanf("%s%s%s",x,y,z);
// ----</SCANF>-----
 
// ----<PRINTF>-----
#define pfi(x) printf("%d\n",x);
#define pfi2(x,y) printf("%d %d\n",x,y);
#define pfi3(x,y,z) printf("%d %d %d\n",x,y,z);
 
#define pfl(x) printf("%lld\n",x);
#define pfl2(x,y) printf("%lld %lld\n",x,y);
#define pfl3(x,y,z) printf("%lld %lld %lld\n",x,y,z);
 
#define pfs(x) printf("%s\n",x);
#define pfs2(x,y) printf("%s %s\n",x,y);
#define pfs3(x,y,z) printf("%s %s %s\n",x,y,z);
 
#define pwe(x) printf("%lld ",x); // print without end
// ----</PRINTF>----
*/

#define FLSH fflush(stdout)
#define fileIO(name) \
    freopen(name".in", "r", stdin); \
    freopen(name".out", "w", stdout);
#define PRECISION(x) cout << fixed << setprecision(x); 
#define FAST_IO ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
 
// ----------------</Defines and typedefs>----------------
 
// -------------------<Debugging stuff>-------------------
#define TRACE
 
#ifdef TRACE
#define trace(...) __f(#__VA_ARGS__, __VA_ARGS__)
template <typename Arg1>
void __f(const char* name, Arg1&& arg1){
    cout << name << " : " << arg1 << std::endl;
}
template <typename Arg1, typename... Args>
void __f(const char* names, Arg1&& arg1, Args&&... args){
    const char* comma = strchr(names + 1, ',');cout.write(names, comma - names) << " : " << arg1<<" | ";__f(comma+1, args...);
}
#else
#define trace(...)
#endif
 
// ------------------</Debugging stuff>-------------------
 
// ------------------------<Consts>-----------------------
const int MAXN = 1000005;
const int SQRTN = 1003;
const int LOGN = 22;
const double PI=acos(-1);
 
#ifdef int
const int INF=1e16;
#else
const int INF=1e9;
#endif
 
const int MOD = 998244353;
const int FMOD = 998244353;
const double eps = 1e-9;

// -----------------------</Consts>-----------------------

/*

// -------------------------<RNG>-------------------------
mt19937 RNG(chrono::steady_clock::now().time_since_epoch().count()); 
#define SHUF(v) shuffle(all(v), RNG);
// Use mt19937_64 for 64 bit random numbers.
 
// ------------------------</RNG>-------------------------
 
// ----------------------<MATH>---------------------------


*/

template<typename T> T gcd(T a, T b){return(b?__gcd(a,b):a);}
template<typename T> T lcm(T a, T b){return(a*(b/gcd(a,b)));}
int add(int a, int b, int c = MOD){int res=a+b;return(res>=c?res-c:res);}
int mod_neg(int a, int b, int c = MOD){int res;if(abs(a-b)<c)res=a-b;else res=(a-b)%c;return(res<0?res+c:res);}
int mul(int a, int b, int c = MOD){ll res=(ll)a*b;return(res>=c?res%c:res);}
int muln(int a, int b, int c = MOD){ll res=(ll)a*b;return ((res%c)+c)%c;}
ll mulmod(ll a,ll b, ll m = MOD){ll q = (ll)(((LD)a*(LD)b)/(LD)m);ll r=a*b-q*m;if(r>m)r%=m;if(r<0)r+=m;return r;}
template<typename T>T expo(T e, T n){T x=1,p=e;while(n){if(n&1)x=x*p;p=p*p;n>>=1;}return x;}
template<typename T>T power(T e, T n, T m = MOD){T x=1,p=e;while(n){if(n&1)x=mul(x,p,m);p=mul(p,p,m);n>>=1;}return x;}
template<typename T>T extended_euclid(T a, T b, T &x, T &y){T xx=0,yy=1;y=0;x=1;while(b){T q=a/b,t=b;b=a%b;a=t;\
t=xx;xx=x-q*xx;x=t;t=yy;yy=y-q*yy;y=t;}return a;}
template<typename T>T mod_inverse(T a, T n = MOD){T x,y,z=0;T d=extended_euclid(a,n,x,y);return(d>1?-1:mod_neg(x,z,n));}
 
const int FACSZ = 1; // Make sure to change this
 
int fact[FACSZ],ifact[FACSZ];
 
void precom(int c = MOD){
    fact[0] = 1;
    FOR(i,1,FACSZ) fact[i] = mul(fact[i-1],i,c);
    ifact[FACSZ-1] = mod_inverse(fact[FACSZ-1],c);
    REPD(i,FACSZ-1){
        ifact[i] = mul(i+1,ifact[i+1],c);
    }
}
 
int ncr(int n,int r,int c = MOD){
    return mul(mul(ifact[r],ifact[n-r],c),fact[n],c);
} 


// ----------------------</MATH>--------------------------
// --------------------------------------------------</TEMPLATE>--------------------------------------------------
 
void solvethetestcase();
 
signed main(){
    // comment when using scanf,printf
    FAST_IO

    int t = 1;
    // (UNCOMMENT FOR MULTIPLE TEST CASES) \
    cin >> t;
    FOR(testcase,1,t+1){
        // (UNCOMMENT FOR CODEJAM) \
        printf("Case #%lld: ",testcase); 
        solvethetestcase();
    }
}   
 
int n;
int cnt[11][65][65];
int dp[11][65][65][65];

int MXa = 26,MXA = 26,MXI = 10;

int ctoi(char c){
    if(c-'a' >= 0) return c-'a';
    if(c-'A' >= 0) return (c-'A')+MXa;
    return (c-'0')+MXa+MXA;
}
 
void solvethetestcase(){
    cin >> n;
    set<string> gg;
    REP(i,n){
        string s; cin >> s;
        gg.insert(s);
        reverse(all(s));
        gg.insert(s);    
    }
    for(auto s:gg){
        cnt[s.length()][ctoi(s[0])][ctoi(s[s.length()-1])] ++;
    }
    REP(i,11){
        REP(j,MXa+MXA+MXI){
            FOR(k,j,MXa+MXA+MXI){
                FOR(l,k,MXa+MXA+MXI){
                    REP(m,MXa+MXA+MXI){
                        dp[i][j][k][l] = add(dp[i][j][k][l],mul(mul(cnt[i][j][m],cnt[i][k][m]),cnt[i][l][m]));
                        dp[i][j][l][k] = dp[i][k][j][l] = dp[i][k][l][j] = dp[i][l][j][k] = dp[i][l][k][j] = dp[i][j][k][l];
                    }
                }
            }
        }
    }
    int ans = 0;
    REP(i,11){
        REP(j,MXa+MXA+MXI){
            REP(k,MXa+MXA+MXI){
                REP(l,MXa+MXA+MXI){
                    REP(m,MXa+MXA+MXI){
                        int cur = mul(mul(dp[i][j][k][l],dp[i][m][k][l]),mul(dp[i][j][m][l],dp[i][j][k][m]));
                        ans = add(ans,cur);
                    }
                }
            }
        }
    }
    cout << ans << endl;
}

Compilation message

cubeword.cpp:25:1: warning: multi-line comment [-Wcomment]
 // typedef tree<int,null_type,less<int>,rb_tree_tag, \
 ^
cubeword.cpp:192:5: warning: multi-line comment [-Wcomment]
     // (UNCOMMENT FOR MULTIPLE TEST CASES) \
     ^
cubeword.cpp:195:9: warning: multi-line comment [-Wcomment]
         // (UNCOMMENT FOR CODEJAM) \
         ^

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 863 ms 37624 KB Output is correct
2 Correct 855 ms 37496 KB Output is correct
3 Correct 860 ms 37496 KB Output is correct
4 Correct 863 ms 37460 KB Output is correct
5 Correct 856 ms 37624 KB Output is correct
6 Correct 878 ms 37756 KB Output is correct
7 Correct 881 ms 37764 KB Output is correct
8 Correct 882 ms 37460 KB Output is correct
9 Correct 859 ms 37752 KB Output is correct
10 Correct 864 ms 37636 KB Output is correct
11 Correct 849 ms 37612 KB Output is correct
12 Correct 873 ms 37616 KB Output is correct
13 Correct 875 ms 37512 KB Output is correct
14 Correct 878 ms 37624 KB Output is correct
15 Correct 873 ms 37520 KB Output is correct
16 Correct 881 ms 37420 KB Output is correct
17 Correct 890 ms 37624 KB Output is correct
18 Correct 847 ms 37624 KB Output is correct
19 Correct 851 ms 37612 KB Output is correct
20 Correct 857 ms 37512 KB Output is correct
21 Correct 845 ms 37496 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 863 ms 37624 KB Output is correct
2 Correct 855 ms 37496 KB Output is correct
3 Correct 860 ms 37496 KB Output is correct
4 Correct 863 ms 37460 KB Output is correct
5 Correct 856 ms 37624 KB Output is correct
6 Correct 878 ms 37756 KB Output is correct
7 Correct 881 ms 37764 KB Output is correct
8 Correct 882 ms 37460 KB Output is correct
9 Correct 859 ms 37752 KB Output is correct
10 Correct 864 ms 37636 KB Output is correct
11 Correct 849 ms 37612 KB Output is correct
12 Correct 873 ms 37616 KB Output is correct
13 Correct 875 ms 37512 KB Output is correct
14 Correct 878 ms 37624 KB Output is correct
15 Correct 873 ms 37520 KB Output is correct
16 Correct 881 ms 37420 KB Output is correct
17 Correct 890 ms 37624 KB Output is correct
18 Correct 847 ms 37624 KB Output is correct
19 Correct 851 ms 37612 KB Output is correct
20 Correct 857 ms 37512 KB Output is correct
21 Correct 845 ms 37496 KB Output is correct
22 Correct 861 ms 38264 KB Output is correct
23 Correct 862 ms 38264 KB Output is correct
24 Correct 879 ms 38136 KB Output is correct
25 Correct 877 ms 38272 KB Output is correct
26 Correct 878 ms 38136 KB Output is correct
27 Correct 882 ms 38264 KB Output is correct
28 Correct 855 ms 38268 KB Output is correct
29 Correct 851 ms 38220 KB Output is correct
30 Correct 859 ms 38204 KB Output is correct
31 Correct 864 ms 38208 KB Output is correct
32 Correct 863 ms 38320 KB Output is correct
33 Correct 856 ms 38268 KB Output is correct
34 Correct 864 ms 38208 KB Output is correct
35 Correct 868 ms 38264 KB Output is correct
36 Correct 887 ms 38264 KB Output is correct
37 Correct 862 ms 38136 KB Output is correct
38 Correct 870 ms 38136 KB Output is correct
39 Correct 880 ms 38136 KB Output is correct
40 Correct 864 ms 38264 KB Output is correct
41 Correct 878 ms 38264 KB Output is correct
42 Correct 879 ms 38284 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 863 ms 37624 KB Output is correct
2 Correct 855 ms 37496 KB Output is correct
3 Correct 860 ms 37496 KB Output is correct
4 Correct 863 ms 37460 KB Output is correct
5 Correct 856 ms 37624 KB Output is correct
6 Correct 878 ms 37756 KB Output is correct
7 Correct 881 ms 37764 KB Output is correct
8 Correct 882 ms 37460 KB Output is correct
9 Correct 859 ms 37752 KB Output is correct
10 Correct 864 ms 37636 KB Output is correct
11 Correct 849 ms 37612 KB Output is correct
12 Correct 873 ms 37616 KB Output is correct
13 Correct 875 ms 37512 KB Output is correct
14 Correct 878 ms 37624 KB Output is correct
15 Correct 873 ms 37520 KB Output is correct
16 Correct 881 ms 37420 KB Output is correct
17 Correct 890 ms 37624 KB Output is correct
18 Correct 847 ms 37624 KB Output is correct
19 Correct 851 ms 37612 KB Output is correct
20 Correct 857 ms 37512 KB Output is correct
21 Correct 845 ms 37496 KB Output is correct
22 Correct 861 ms 38264 KB Output is correct
23 Correct 862 ms 38264 KB Output is correct
24 Correct 879 ms 38136 KB Output is correct
25 Correct 877 ms 38272 KB Output is correct
26 Correct 878 ms 38136 KB Output is correct
27 Correct 882 ms 38264 KB Output is correct
28 Correct 855 ms 38268 KB Output is correct
29 Correct 851 ms 38220 KB Output is correct
30 Correct 859 ms 38204 KB Output is correct
31 Correct 864 ms 38208 KB Output is correct
32 Correct 863 ms 38320 KB Output is correct
33 Correct 856 ms 38268 KB Output is correct
34 Correct 864 ms 38208 KB Output is correct
35 Correct 868 ms 38264 KB Output is correct
36 Correct 887 ms 38264 KB Output is correct
37 Correct 862 ms 38136 KB Output is correct
38 Correct 870 ms 38136 KB Output is correct
39 Correct 880 ms 38136 KB Output is correct
40 Correct 864 ms 38264 KB Output is correct
41 Correct 878 ms 38264 KB Output is correct
42 Correct 879 ms 38284 KB Output is correct
43 Correct 891 ms 38648 KB Output is correct
44 Correct 874 ms 38648 KB Output is correct
45 Correct 901 ms 38520 KB Output is correct
46 Correct 906 ms 38520 KB Output is correct
47 Correct 934 ms 38564 KB Output is correct
48 Correct 878 ms 38648 KB Output is correct
49 Correct 913 ms 38648 KB Output is correct
50 Correct 888 ms 38520 KB Output is correct
51 Correct 891 ms 38592 KB Output is correct
52 Correct 904 ms 38520 KB Output is correct
53 Correct 882 ms 38520 KB Output is correct
54 Correct 928 ms 38520 KB Output is correct
55 Correct 923 ms 38648 KB Output is correct
56 Correct 884 ms 38620 KB Output is correct
57 Correct 883 ms 38520 KB Output is correct
58 Correct 882 ms 38520 KB Output is correct
59 Correct 892 ms 38520 KB Output is correct
60 Correct 886 ms 38520 KB Output is correct
61 Correct 937 ms 38476 KB Output is correct
62 Correct 907 ms 38508 KB Output is correct
63 Correct 897 ms 38596 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 863 ms 37624 KB Output is correct
2 Correct 855 ms 37496 KB Output is correct
3 Correct 860 ms 37496 KB Output is correct
4 Correct 863 ms 37460 KB Output is correct
5 Correct 856 ms 37624 KB Output is correct
6 Correct 878 ms 37756 KB Output is correct
7 Correct 881 ms 37764 KB Output is correct
8 Correct 882 ms 37460 KB Output is correct
9 Correct 859 ms 37752 KB Output is correct
10 Correct 864 ms 37636 KB Output is correct
11 Correct 849 ms 37612 KB Output is correct
12 Correct 873 ms 37616 KB Output is correct
13 Correct 875 ms 37512 KB Output is correct
14 Correct 878 ms 37624 KB Output is correct
15 Correct 873 ms 37520 KB Output is correct
16 Correct 881 ms 37420 KB Output is correct
17 Correct 890 ms 37624 KB Output is correct
18 Correct 847 ms 37624 KB Output is correct
19 Correct 851 ms 37612 KB Output is correct
20 Correct 857 ms 37512 KB Output is correct
21 Correct 845 ms 37496 KB Output is correct
22 Correct 861 ms 38264 KB Output is correct
23 Correct 862 ms 38264 KB Output is correct
24 Correct 879 ms 38136 KB Output is correct
25 Correct 877 ms 38272 KB Output is correct
26 Correct 878 ms 38136 KB Output is correct
27 Correct 882 ms 38264 KB Output is correct
28 Correct 855 ms 38268 KB Output is correct
29 Correct 851 ms 38220 KB Output is correct
30 Correct 859 ms 38204 KB Output is correct
31 Correct 864 ms 38208 KB Output is correct
32 Correct 863 ms 38320 KB Output is correct
33 Correct 856 ms 38268 KB Output is correct
34 Correct 864 ms 38208 KB Output is correct
35 Correct 868 ms 38264 KB Output is correct
36 Correct 887 ms 38264 KB Output is correct
37 Correct 862 ms 38136 KB Output is correct
38 Correct 870 ms 38136 KB Output is correct
39 Correct 880 ms 38136 KB Output is correct
40 Correct 864 ms 38264 KB Output is correct
41 Correct 878 ms 38264 KB Output is correct
42 Correct 879 ms 38284 KB Output is correct
43 Correct 891 ms 38648 KB Output is correct
44 Correct 874 ms 38648 KB Output is correct
45 Correct 901 ms 38520 KB Output is correct
46 Correct 906 ms 38520 KB Output is correct
47 Correct 934 ms 38564 KB Output is correct
48 Correct 878 ms 38648 KB Output is correct
49 Correct 913 ms 38648 KB Output is correct
50 Correct 888 ms 38520 KB Output is correct
51 Correct 891 ms 38592 KB Output is correct
52 Correct 904 ms 38520 KB Output is correct
53 Correct 882 ms 38520 KB Output is correct
54 Correct 928 ms 38520 KB Output is correct
55 Correct 923 ms 38648 KB Output is correct
56 Correct 884 ms 38620 KB Output is correct
57 Correct 883 ms 38520 KB Output is correct
58 Correct 882 ms 38520 KB Output is correct
59 Correct 892 ms 38520 KB Output is correct
60 Correct 886 ms 38520 KB Output is correct
61 Correct 937 ms 38476 KB Output is correct
62 Correct 907 ms 38508 KB Output is correct
63 Correct 897 ms 38596 KB Output is correct
64 Correct 1018 ms 38904 KB Output is correct
65 Correct 965 ms 38904 KB Output is correct
66 Correct 996 ms 38776 KB Output is correct
67 Correct 986 ms 38836 KB Output is correct
68 Correct 982 ms 38824 KB Output is correct
69 Correct 966 ms 38904 KB Output is correct
70 Correct 985 ms 38828 KB Output is correct
71 Correct 997 ms 38824 KB Output is correct
72 Correct 977 ms 38904 KB Output is correct
73 Correct 973 ms 38824 KB Output is correct
74 Correct 973 ms 38904 KB Output is correct
75 Correct 969 ms 38824 KB Output is correct
76 Correct 966 ms 38904 KB Output is correct
77 Correct 969 ms 38904 KB Output is correct
78 Correct 984 ms 38832 KB Output is correct
79 Correct 991 ms 38728 KB Output is correct
80 Correct 978 ms 38904 KB Output is correct
81 Correct 986 ms 38776 KB Output is correct
82 Correct 1012 ms 38820 KB Output is correct
83 Correct 977 ms 38776 KB Output is correct
84 Correct 983 ms 38928 KB Output is correct