oj.uz

Submission #258017

# Submission time Handle Problem Language Result Execution time Memory
258017 2020-08-05T08:18:50 Z MarcoMeijer Cubeword (CEOI19_cubeword) C++14
100 / 100
 841 ms 19104 KB 
#include <bits/stdc++.h>
using namespace std;

// macros
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef pair<ll, ll> lll;
typedef tuple<int, int, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef vector<ll> vll;
typedef vector<lll> vlll;
#define REP(a,b,c) for(int a=int(b); a<int(c); a++)
#define RE(a,c) REP(a,0,c)
#define RE1(a,c) REP(a,1,c+1)
#define REI(a,b,c) REP(a,b,c+1)
#define REV(a,b,c) for(int a=int(c-1); a>=int(b); a--)
#define FOR(a,b) for(auto& a : b)
#define all(a) a.begin(), a.end()
#define INF 1e9
#define EPS 1e-9
#define pb push_back
#define popb pop_back
#define fi first
#define se second
#define sz size()

// input
template<class T> void IN(T& x) {cin >> x;}
template<class H, class... T> void IN(H& h, T&... t) {IN(h); IN(t...); }

// output
template<class T1, class T2> void OUT(const pair<T1,T2>& x);
template<class T> void OUT(const T& x) {cout << x;}
template<class H, class... T> void OUT(const H& h, const T&... t) {OUT(h); OUT(t...); }
template<class T1, class T2> void OUT(const pair<T1,T2>& x) {OUT(x.fi," ",x.se);}
template<class... T> void OUTL(const T&... t) {OUT(t..., "\n"); }

//===================//
//  Added libraries  //
//===================//

// mod library
ll MOD=998244353;

inline ll mod(ll x_) {
    return (x_)%MOD;
}
ll modpow(ll x_, ll N_) {
    if(N_ == 0) return 1;
    ll a = modpow(x_,N_/2);
    a = (a*a)%MOD;
    if(N_%2) a = (a*x_)%MOD;
    return a;
}
ll inv(ll x_) {
    return modpow(x_, MOD-2);
}
class mi {
public:
    mi(ll v=0) {value = v;}
    mi  operator+ (ll rs) {return value+rs;}
    mi  operator- (ll rs) {return value-rs+MOD;}
    mi  operator* (ll rs) {return mod(value*rs);}
    mi  operator/ (ll rs) {return mod(value*inv(rs));}
    mi& operator+=(ll rs) {*this = (*this)+rs; return *this;}
    mi& operator-=(ll rs) {*this = (*this)-rs; return *this;}
    mi& operator*=(ll rs) {*this = (*this)*rs; return *this;}
    mi& operator/=(ll rs) {*this = (*this)/rs; return *this;}
    operator ll&() {return value;}

    ll value;
};
typedef vector<mi> vmi;

//===================//
//end added libraries//
//===================//

void program();
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    program();
}


//===================//
//   begin program   //
//===================//

const int MX = 62;
int n;
string s;
set<string> S;
mi cnt[11][MX][MX];
mi ways[MX][MX][MX];

void modify(char& c) {
    if(c >= 'a' && c <= 'z') {
        c = c-'a';
    } else if(c >= 'A' && c <= 'Z') {
        c = c-'A'+26;
    } else {
        c = c-'0'+52;
    }
}
void addS() {
    if(S.count(s)) return;
    S.insert(s);
    cnt[s.sz][s[0]][s.back()] += 1ll;
}

void program() {
    IN(n);
    RE(i,11) RE(j,MX) RE(k,MX) cnt[i][j][k] = 0;
    RE(i,n) {
        IN(s);
        FOR(c,s) modify(c);
        addS();
        reverse(all(s));
        addS();
    }

    int fact[5], f[5];
    fact[0] = 1;
    RE(i,4) fact[i+1]=fact[i]*(i+1);

    mi ans;
    REP(l,3,11) {
        RE(i,MX) REP(j,i,MX) REP(k,j,MX) ways[i][j][k] = 0;
        
        RE(i,MX) REP(j,i,MX) REP(k,j,MX) RE(m,MX) ways[i][j][k] += cnt[l][i][m]*cnt[l][j][m]*cnt[l][k][m];
        RE(i,MX) REP(j,i,MX) REP(k,j,MX) ways[i][j][k] %= MOD;
        RE(i,MX) REP(j,i,MX) REP(k,j,MX) REP(m,k,MX) {
            mi added = ways[i][j][k]*ways[i][j][m]*ways[i][k][m]*ways[j][k][m];
            f[0]=i, f[1]=j, f[2]=k, f[3]=m;
            char ways=24, cnt=1;
            REP(i,1,4) {
                if(f[i]!=f[i-1]) {
                    ways/=fact[cnt];
                    cnt=0;
                }
                cnt++;
            }
            ways/=fact[cnt];
            ans += added*ll(ways);
        }
    }
    ans %= MOD;
    OUTL((ll)ans);
}

Compilation message

cubeword.cpp: In function 'void addS()':
cubeword.cpp:114:19: warning: array subscript has type 'char' [-Wchar-subscripts]
     cnt[s.sz][s[0]][s.back()] += 1ll;
                   ^
cubeword.cpp:114:29: warning: array subscript has type 'char' [-Wchar-subscripts]
     cnt[s.sz][s[0]][s.back()] += 1ll;
                             ^
cubeword.cpp: In function 'void program()':
cubeword.cpp:144:35: warning: array subscript has type 'char' [-Wchar-subscripts]
                     ways/=fact[cnt];
                                   ^
cubeword.cpp:149:27: warning: array subscript has type 'char' [-Wchar-subscripts]
             ways/=fact[cnt];
                           ^

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 715 ms 17100 KB Output is correct
2 Correct 706 ms 17060 KB Output is correct
3 Correct 706 ms 17016 KB Output is correct
4 Correct 680 ms 17144 KB Output is correct
5 Correct 690 ms 17148 KB Output is correct
6 Correct 688 ms 17104 KB Output is correct
7 Correct 683 ms 17144 KB Output is correct
8 Correct 681 ms 17144 KB Output is correct
9 Correct 685 ms 17144 KB Output is correct
10 Correct 688 ms 17016 KB Output is correct
11 Correct 720 ms 17144 KB Output is correct
12 Correct 841 ms 17016 KB Output is correct
13 Correct 687 ms 17144 KB Output is correct
14 Correct 691 ms 17084 KB Output is correct
15 Correct 689 ms 17144 KB Output is correct
16 Correct 687 ms 17128 KB Output is correct
17 Correct 703 ms 17052 KB Output is correct
18 Correct 693 ms 17144 KB Output is correct
19 Correct 691 ms 17144 KB Output is correct
20 Correct 696 ms 17068 KB Output is correct
21 Correct 687 ms 17144 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 715 ms 17100 KB Output is correct
2 Correct 706 ms 17060 KB Output is correct
3 Correct 706 ms 17016 KB Output is correct
4 Correct 680 ms 17144 KB Output is correct
5 Correct 690 ms 17148 KB Output is correct
6 Correct 688 ms 17104 KB Output is correct
7 Correct 683 ms 17144 KB Output is correct
8 Correct 681 ms 17144 KB Output is correct
9 Correct 685 ms 17144 KB Output is correct
10 Correct 688 ms 17016 KB Output is correct
11 Correct 720 ms 17144 KB Output is correct
12 Correct 841 ms 17016 KB Output is correct
13 Correct 687 ms 17144 KB Output is correct
14 Correct 691 ms 17084 KB Output is correct
15 Correct 689 ms 17144 KB Output is correct
16 Correct 687 ms 17128 KB Output is correct
17 Correct 703 ms 17052 KB Output is correct
18 Correct 693 ms 17144 KB Output is correct
19 Correct 691 ms 17144 KB Output is correct
20 Correct 696 ms 17068 KB Output is correct
21 Correct 687 ms 17144 KB Output is correct
22 Correct 710 ms 17760 KB Output is correct
23 Correct 698 ms 17800 KB Output is correct
24 Correct 697 ms 17784 KB Output is correct
25 Correct 703 ms 17656 KB Output is correct
26 Correct 686 ms 17656 KB Output is correct
27 Correct 700 ms 17664 KB Output is correct
28 Correct 685 ms 17724 KB Output is correct
29 Correct 683 ms 17656 KB Output is correct
30 Correct 688 ms 17784 KB Output is correct
31 Correct 681 ms 17720 KB Output is correct
32 Correct 692 ms 17784 KB Output is correct
33 Correct 729 ms 17680 KB Output is correct
34 Correct 714 ms 17720 KB Output is correct
35 Correct 695 ms 17736 KB Output is correct
36 Correct 712 ms 17868 KB Output is correct
37 Correct 696 ms 17784 KB Output is correct
38 Correct 705 ms 17704 KB Output is correct
39 Correct 687 ms 17784 KB Output is correct
40 Correct 689 ms 17796 KB Output is correct
41 Correct 702 ms 17764 KB Output is correct
42 Correct 711 ms 17728 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 715 ms 17100 KB Output is correct
2 Correct 706 ms 17060 KB Output is correct
3 Correct 706 ms 17016 KB Output is correct
4 Correct 680 ms 17144 KB Output is correct
5 Correct 690 ms 17148 KB Output is correct
6 Correct 688 ms 17104 KB Output is correct
7 Correct 683 ms 17144 KB Output is correct
8 Correct 681 ms 17144 KB Output is correct
9 Correct 685 ms 17144 KB Output is correct
10 Correct 688 ms 17016 KB Output is correct
11 Correct 720 ms 17144 KB Output is correct
12 Correct 841 ms 17016 KB Output is correct
13 Correct 687 ms 17144 KB Output is correct
14 Correct 691 ms 17084 KB Output is correct
15 Correct 689 ms 17144 KB Output is correct
16 Correct 687 ms 17128 KB Output is correct
17 Correct 703 ms 17052 KB Output is correct
18 Correct 693 ms 17144 KB Output is correct
19 Correct 691 ms 17144 KB Output is correct
20 Correct 696 ms 17068 KB Output is correct
21 Correct 687 ms 17144 KB Output is correct
22 Correct 710 ms 17760 KB Output is correct
23 Correct 698 ms 17800 KB Output is correct
24 Correct 697 ms 17784 KB Output is correct
25 Correct 703 ms 17656 KB Output is correct
26 Correct 686 ms 17656 KB Output is correct
27 Correct 700 ms 17664 KB Output is correct
28 Correct 685 ms 17724 KB Output is correct
29 Correct 683 ms 17656 KB Output is correct
30 Correct 688 ms 17784 KB Output is correct
31 Correct 681 ms 17720 KB Output is correct
32 Correct 692 ms 17784 KB Output is correct
33 Correct 729 ms 17680 KB Output is correct
34 Correct 714 ms 17720 KB Output is correct
35 Correct 695 ms 17736 KB Output is correct
36 Correct 712 ms 17868 KB Output is correct
37 Correct 696 ms 17784 KB Output is correct
38 Correct 705 ms 17704 KB Output is correct
39 Correct 687 ms 17784 KB Output is correct
40 Correct 689 ms 17796 KB Output is correct
41 Correct 702 ms 17764 KB Output is correct
42 Correct 711 ms 17728 KB Output is correct
43 Correct 687 ms 17940 KB Output is correct
44 Correct 688 ms 18044 KB Output is correct
45 Correct 717 ms 18024 KB Output is correct
46 Correct 760 ms 17912 KB Output is correct
47 Correct 697 ms 18040 KB Output is correct
48 Correct 750 ms 17948 KB Output is correct
49 Correct 703 ms 17944 KB Output is correct
50 Correct 706 ms 17948 KB Output is correct
51 Correct 727 ms 18040 KB Output is correct
52 Correct 681 ms 18044 KB Output is correct
53 Correct 708 ms 18040 KB Output is correct
54 Correct 722 ms 17904 KB Output is correct
55 Correct 700 ms 17928 KB Output is correct
56 Correct 678 ms 18040 KB Output is correct
57 Correct 697 ms 18060 KB Output is correct
58 Correct 684 ms 18044 KB Output is correct
59 Correct 708 ms 18044 KB Output is correct
60 Correct 709 ms 17992 KB Output is correct
61 Correct 725 ms 17928 KB Output is correct
62 Correct 678 ms 18040 KB Output is correct
63 Correct 698 ms 17960 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 715 ms 17100 KB Output is correct
2 Correct 706 ms 17060 KB Output is correct
3 Correct 706 ms 17016 KB Output is correct
4 Correct 680 ms 17144 KB Output is correct
5 Correct 690 ms 17148 KB Output is correct
6 Correct 688 ms 17104 KB Output is correct
7 Correct 683 ms 17144 KB Output is correct
8 Correct 681 ms 17144 KB Output is correct
9 Correct 685 ms 17144 KB Output is correct
10 Correct 688 ms 17016 KB Output is correct
11 Correct 720 ms 17144 KB Output is correct
12 Correct 841 ms 17016 KB Output is correct
13 Correct 687 ms 17144 KB Output is correct
14 Correct 691 ms 17084 KB Output is correct
15 Correct 689 ms 17144 KB Output is correct
16 Correct 687 ms 17128 KB Output is correct
17 Correct 703 ms 17052 KB Output is correct
18 Correct 693 ms 17144 KB Output is correct
19 Correct 691 ms 17144 KB Output is correct
20 Correct 696 ms 17068 KB Output is correct
21 Correct 687 ms 17144 KB Output is correct
22 Correct 710 ms 17760 KB Output is correct
23 Correct 698 ms 17800 KB Output is correct
24 Correct 697 ms 17784 KB Output is correct
25 Correct 703 ms 17656 KB Output is correct
26 Correct 686 ms 17656 KB Output is correct
27 Correct 700 ms 17664 KB Output is correct
28 Correct 685 ms 17724 KB Output is correct
29 Correct 683 ms 17656 KB Output is correct
30 Correct 688 ms 17784 KB Output is correct
31 Correct 681 ms 17720 KB Output is correct
32 Correct 692 ms 17784 KB Output is correct
33 Correct 729 ms 17680 KB Output is correct
34 Correct 714 ms 17720 KB Output is correct
35 Correct 695 ms 17736 KB Output is correct
36 Correct 712 ms 17868 KB Output is correct
37 Correct 696 ms 17784 KB Output is correct
38 Correct 705 ms 17704 KB Output is correct
39 Correct 687 ms 17784 KB Output is correct
40 Correct 689 ms 17796 KB Output is correct
41 Correct 702 ms 17764 KB Output is correct
42 Correct 711 ms 17728 KB Output is correct
43 Correct 687 ms 17940 KB Output is correct
44 Correct 688 ms 18044 KB Output is correct
45 Correct 717 ms 18024 KB Output is correct
46 Correct 760 ms 17912 KB Output is correct
47 Correct 697 ms 18040 KB Output is correct
48 Correct 750 ms 17948 KB Output is correct
49 Correct 703 ms 17944 KB Output is correct
50 Correct 706 ms 17948 KB Output is correct
51 Correct 727 ms 18040 KB Output is correct
52 Correct 681 ms 18044 KB Output is correct
53 Correct 708 ms 18040 KB Output is correct
54 Correct 722 ms 17904 KB Output is correct
55 Correct 700 ms 17928 KB Output is correct
56 Correct 678 ms 18040 KB Output is correct
57 Correct 697 ms 18060 KB Output is correct
58 Correct 684 ms 18044 KB Output is correct
59 Correct 708 ms 18044 KB Output is correct
60 Correct 709 ms 17992 KB Output is correct
61 Correct 725 ms 17928 KB Output is correct
62 Correct 678 ms 18040 KB Output is correct
63 Correct 698 ms 17960 KB Output is correct
64 Correct 730 ms 18896 KB Output is correct
65 Correct 716 ms 19000 KB Output is correct
66 Correct 732 ms 19064 KB Output is correct
67 Correct 790 ms 18936 KB Output is correct
68 Correct 709 ms 19064 KB Output is correct
69 Correct 702 ms 18960 KB Output is correct
70 Correct 707 ms 18936 KB Output is correct
71 Correct 700 ms 18936 KB Output is correct
72 Correct 713 ms 18872 KB Output is correct
73 Correct 740 ms 19104 KB Output is correct
74 Correct 710 ms 18808 KB Output is correct
75 Correct 704 ms 18936 KB Output is correct
76 Correct 729 ms 19064 KB Output is correct
77 Correct 727 ms 18936 KB Output is correct
78 Correct 717 ms 18936 KB Output is correct
79 Correct 702 ms 18808 KB Output is correct
80 Correct 700 ms 18936 KB Output is correct
81 Correct 698 ms 18812 KB Output is correct
82 Correct 708 ms 18936 KB Output is correct
83 Correct 705 ms 18940 KB Output is correct
84 Correct 713 ms 18976 KB Output is correct