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Submission #349239

# Submission time Handle Problem Language Result Execution time Memory
349239 2021-01-17T07:51:10 Z Bill_00 Cubeword (CEOI19_cubeword) C++14
100 / 100
 1032 ms 39732 KB 
#include <bits/stdc++.h>
#define N 100001
#define MOD 998244353
#define ll long long
#define pb push_back
const int M=62;
using namespace std;
unordered_map<string,bool>um;
string a[N];
ll cnt[M][M][11],dp[M][M][M][11];
ll ans;
int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int n;
	cin >> n; 
	for(int i=1;i<=n;++i){
		cin >> a[i];
		int k=a[i].size();
		char s=a[i][0],t=a[i][k-1];
		int ss,tt;
		if('a'<=s && s<='z') ss=s-'a';
		if('A'<=s && s<='Z') ss=s-'A'+26;
		if('0'<=s && s<='9') ss=s-'0'+52;
		if('a'<=t && t<='z') tt=t-'a';
		if('A'<=t && t<='Z') tt=t-'A'+26;
		if('0'<=t && t<='9') tt=t-'0'+52;
		if(um[a[i]]==0) cnt[ss][tt][k]++;
		um[a[i]]=1;
		reverse(a[i].begin(),a[i].end());
		if(um[a[i]]==0){
			um[a[i]]=1;
			cnt[tt][ss][k]++;
		} 
	}
	for(int i=0;i<M;++i){
		for(int j=0;j<M;++j){
			for(int k=0;k<M;++k){
				for(int p=0;p<M;++p){
					for(int num=3;num<=10;++num){
						ll res=1;
						res*=cnt[i][p][num];
						res*=cnt[j][p][num];
						if(res>=MOD)res%=MOD;
						res*=cnt[k][p][num];
						dp[i][j][k][num]+=res;
						if(dp[i][j][k][num]>=MOD) dp[i][j][k][num]%=MOD;
					}
				}
			}
		}
	}
	for(int i=0;i<M;++i){
		for(int j=0;j<M;++j){
			for(int k=0;k<M;++k){
				for(int p=0;p<M;++p){
					for(int num=3;num<=10;++num){
						ll res=1;
						res*=dp[i][j][k][num];
						res*=dp[i][j][p][num];
						if(res>=MOD)res%=MOD;
						res*=dp[i][k][p][num];
						if(res>=MOD)res%=MOD;
						res*=dp[j][k][p][num];
						ans+=res;
						if(ans>=MOD)ans%=MOD;
					}
				}
			}
		}
	}
	cout << ans;
}

Compilation message

cubeword.cpp: In function 'int main()':
cubeword.cpp:34:17: warning: 'tt' may be used uninitialized in this function [-Wmaybe-uninitialized]
   34 |    cnt[tt][ss][k]++;
      |    ~~~~~~~~~~~~~^
cubeword.cpp:34:17: warning: 'ss' may be used uninitialized in this function [-Wmaybe-uninitialized]

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 731 ms 38580 KB Output is correct
2 Correct 733 ms 38452 KB Output is correct
3 Correct 751 ms 38600 KB Output is correct
4 Correct 730 ms 38472 KB Output is correct
5 Correct 737 ms 38452 KB Output is correct
6 Correct 752 ms 38452 KB Output is correct
7 Correct 727 ms 38672 KB Output is correct
8 Correct 726 ms 38580 KB Output is correct
9 Correct 734 ms 38472 KB Output is correct
10 Correct 744 ms 38708 KB Output is correct
11 Correct 723 ms 38468 KB Output is correct
12 Correct 732 ms 38452 KB Output is correct
13 Correct 728 ms 38580 KB Output is correct
14 Correct 730 ms 38580 KB Output is correct
15 Correct 745 ms 38560 KB Output is correct
16 Correct 732 ms 38452 KB Output is correct
17 Correct 733 ms 38452 KB Output is correct
18 Correct 750 ms 38640 KB Output is correct
19 Correct 736 ms 38580 KB Output is correct
20 Correct 743 ms 38580 KB Output is correct
21 Correct 726 ms 38580 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 731 ms 38580 KB Output is correct
2 Correct 733 ms 38452 KB Output is correct
3 Correct 751 ms 38600 KB Output is correct
4 Correct 730 ms 38472 KB Output is correct
5 Correct 737 ms 38452 KB Output is correct
6 Correct 752 ms 38452 KB Output is correct
7 Correct 727 ms 38672 KB Output is correct
8 Correct 726 ms 38580 KB Output is correct
9 Correct 734 ms 38472 KB Output is correct
10 Correct 744 ms 38708 KB Output is correct
11 Correct 723 ms 38468 KB Output is correct
12 Correct 732 ms 38452 KB Output is correct
13 Correct 728 ms 38580 KB Output is correct
14 Correct 730 ms 38580 KB Output is correct
15 Correct 745 ms 38560 KB Output is correct
16 Correct 732 ms 38452 KB Output is correct
17 Correct 733 ms 38452 KB Output is correct
18 Correct 750 ms 38640 KB Output is correct
19 Correct 736 ms 38580 KB Output is correct
20 Correct 743 ms 38580 KB Output is correct
21 Correct 726 ms 38580 KB Output is correct
22 Correct 751 ms 38964 KB Output is correct
23 Correct 738 ms 38928 KB Output is correct
24 Correct 754 ms 38964 KB Output is correct
25 Correct 723 ms 38964 KB Output is correct
26 Correct 726 ms 38964 KB Output is correct
27 Correct 751 ms 39092 KB Output is correct
28 Correct 761 ms 39152 KB Output is correct
29 Correct 737 ms 38964 KB Output is correct
30 Correct 741 ms 38964 KB Output is correct
31 Correct 734 ms 39092 KB Output is correct
32 Correct 772 ms 39036 KB Output is correct
33 Correct 732 ms 39092 KB Output is correct
34 Correct 736 ms 38964 KB Output is correct
35 Correct 737 ms 38964 KB Output is correct
36 Correct 727 ms 39028 KB Output is correct
37 Correct 738 ms 38964 KB Output is correct
38 Correct 729 ms 39220 KB Output is correct
39 Correct 737 ms 38964 KB Output is correct
40 Correct 730 ms 39060 KB Output is correct
41 Correct 743 ms 38964 KB Output is correct
42 Correct 773 ms 39092 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 731 ms 38580 KB Output is correct
2 Correct 733 ms 38452 KB Output is correct
3 Correct 751 ms 38600 KB Output is correct
4 Correct 730 ms 38472 KB Output is correct
5 Correct 737 ms 38452 KB Output is correct
6 Correct 752 ms 38452 KB Output is correct
7 Correct 727 ms 38672 KB Output is correct
8 Correct 726 ms 38580 KB Output is correct
9 Correct 734 ms 38472 KB Output is correct
10 Correct 744 ms 38708 KB Output is correct
11 Correct 723 ms 38468 KB Output is correct
12 Correct 732 ms 38452 KB Output is correct
13 Correct 728 ms 38580 KB Output is correct
14 Correct 730 ms 38580 KB Output is correct
15 Correct 745 ms 38560 KB Output is correct
16 Correct 732 ms 38452 KB Output is correct
17 Correct 733 ms 38452 KB Output is correct
18 Correct 750 ms 38640 KB Output is correct
19 Correct 736 ms 38580 KB Output is correct
20 Correct 743 ms 38580 KB Output is correct
21 Correct 726 ms 38580 KB Output is correct
22 Correct 751 ms 38964 KB Output is correct
23 Correct 738 ms 38928 KB Output is correct
24 Correct 754 ms 38964 KB Output is correct
25 Correct 723 ms 38964 KB Output is correct
26 Correct 726 ms 38964 KB Output is correct
27 Correct 751 ms 39092 KB Output is correct
28 Correct 761 ms 39152 KB Output is correct
29 Correct 737 ms 38964 KB Output is correct
30 Correct 741 ms 38964 KB Output is correct
31 Correct 734 ms 39092 KB Output is correct
32 Correct 772 ms 39036 KB Output is correct
33 Correct 732 ms 39092 KB Output is correct
34 Correct 736 ms 38964 KB Output is correct
35 Correct 737 ms 38964 KB Output is correct
36 Correct 727 ms 39028 KB Output is correct
37 Correct 738 ms 38964 KB Output is correct
38 Correct 729 ms 39220 KB Output is correct
39 Correct 737 ms 38964 KB Output is correct
40 Correct 730 ms 39060 KB Output is correct
41 Correct 743 ms 38964 KB Output is correct
42 Correct 773 ms 39092 KB Output is correct
43 Correct 766 ms 39220 KB Output is correct
44 Correct 823 ms 39220 KB Output is correct
45 Correct 763 ms 39220 KB Output is correct
46 Correct 773 ms 39348 KB Output is correct
47 Correct 804 ms 39348 KB Output is correct
48 Correct 771 ms 39364 KB Output is correct
49 Correct 792 ms 39336 KB Output is correct
50 Correct 774 ms 39476 KB Output is correct
51 Correct 843 ms 39220 KB Output is correct
52 Correct 770 ms 39220 KB Output is correct
53 Correct 766 ms 39220 KB Output is correct
54 Correct 780 ms 39220 KB Output is correct
55 Correct 783 ms 39220 KB Output is correct
56 Correct 784 ms 39220 KB Output is correct
57 Correct 814 ms 39220 KB Output is correct
58 Correct 774 ms 39220 KB Output is correct
59 Correct 778 ms 39296 KB Output is correct
60 Correct 771 ms 39220 KB Output is correct
61 Correct 780 ms 39220 KB Output is correct
62 Correct 767 ms 39152 KB Output is correct
63 Correct 761 ms 39348 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 731 ms 38580 KB Output is correct
2 Correct 733 ms 38452 KB Output is correct
3 Correct 751 ms 38600 KB Output is correct
4 Correct 730 ms 38472 KB Output is correct
5 Correct 737 ms 38452 KB Output is correct
6 Correct 752 ms 38452 KB Output is correct
7 Correct 727 ms 38672 KB Output is correct
8 Correct 726 ms 38580 KB Output is correct
9 Correct 734 ms 38472 KB Output is correct
10 Correct 744 ms 38708 KB Output is correct
11 Correct 723 ms 38468 KB Output is correct
12 Correct 732 ms 38452 KB Output is correct
13 Correct 728 ms 38580 KB Output is correct
14 Correct 730 ms 38580 KB Output is correct
15 Correct 745 ms 38560 KB Output is correct
16 Correct 732 ms 38452 KB Output is correct
17 Correct 733 ms 38452 KB Output is correct
18 Correct 750 ms 38640 KB Output is correct
19 Correct 736 ms 38580 KB Output is correct
20 Correct 743 ms 38580 KB Output is correct
21 Correct 726 ms 38580 KB Output is correct
22 Correct 751 ms 38964 KB Output is correct
23 Correct 738 ms 38928 KB Output is correct
24 Correct 754 ms 38964 KB Output is correct
25 Correct 723 ms 38964 KB Output is correct
26 Correct 726 ms 38964 KB Output is correct
27 Correct 751 ms 39092 KB Output is correct
28 Correct 761 ms 39152 KB Output is correct
29 Correct 737 ms 38964 KB Output is correct
30 Correct 741 ms 38964 KB Output is correct
31 Correct 734 ms 39092 KB Output is correct
32 Correct 772 ms 39036 KB Output is correct
33 Correct 732 ms 39092 KB Output is correct
34 Correct 736 ms 38964 KB Output is correct
35 Correct 737 ms 38964 KB Output is correct
36 Correct 727 ms 39028 KB Output is correct
37 Correct 738 ms 38964 KB Output is correct
38 Correct 729 ms 39220 KB Output is correct
39 Correct 737 ms 38964 KB Output is correct
40 Correct 730 ms 39060 KB Output is correct
41 Correct 743 ms 38964 KB Output is correct
42 Correct 773 ms 39092 KB Output is correct
43 Correct 766 ms 39220 KB Output is correct
44 Correct 823 ms 39220 KB Output is correct
45 Correct 763 ms 39220 KB Output is correct
46 Correct 773 ms 39348 KB Output is correct
47 Correct 804 ms 39348 KB Output is correct
48 Correct 771 ms 39364 KB Output is correct
49 Correct 792 ms 39336 KB Output is correct
50 Correct 774 ms 39476 KB Output is correct
51 Correct 843 ms 39220 KB Output is correct
52 Correct 770 ms 39220 KB Output is correct
53 Correct 766 ms 39220 KB Output is correct
54 Correct 780 ms 39220 KB Output is correct
55 Correct 783 ms 39220 KB Output is correct
56 Correct 784 ms 39220 KB Output is correct
57 Correct 814 ms 39220 KB Output is correct
58 Correct 774 ms 39220 KB Output is correct
59 Correct 778 ms 39296 KB Output is correct
60 Correct 771 ms 39220 KB Output is correct
61 Correct 780 ms 39220 KB Output is correct
62 Correct 767 ms 39152 KB Output is correct
63 Correct 761 ms 39348 KB Output is correct
64 Correct 1012 ms 39540 KB Output is correct
65 Correct 1026 ms 39604 KB Output is correct
66 Correct 1012 ms 39604 KB Output is correct
67 Correct 1006 ms 39604 KB Output is correct
68 Correct 1018 ms 39596 KB Output is correct
69 Correct 1014 ms 39732 KB Output is correct
70 Correct 1006 ms 39604 KB Output is correct
71 Correct 1028 ms 39604 KB Output is correct
72 Correct 1029 ms 39604 KB Output is correct
73 Correct 1004 ms 39604 KB Output is correct
74 Correct 1004 ms 39604 KB Output is correct
75 Correct 1010 ms 39604 KB Output is correct
76 Correct 1006 ms 39604 KB Output is correct
77 Correct 1008 ms 39732 KB Output is correct
78 Correct 1006 ms 39604 KB Output is correct
79 Correct 1012 ms 39604 KB Output is correct
80 Correct 1012 ms 39604 KB Output is correct
81 Correct 1018 ms 39604 KB Output is correct
82 Correct 1032 ms 39604 KB Output is correct
83 Correct 1025 ms 39604 KB Output is correct
84 Correct 1008 ms 39624 KB Output is correct