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Submission #447082

# Submission time Handle Problem Language Result Execution time Memory
447082 2021-07-24T12:32:52 Z yungyao Cubeword (CEOI19_cubeword) C++17
84 / 100
 1100 ms 18620 KB 
using namespace std;
#include <iostream>
#include <algorithm>
#include <queue>
#include <stack>
#include <deque>
#include <map>
#include <set>
#include <utility>
#include <memory.h>
#include <vector>
#include <bitset>
 
typedef pair<int,int> pii;
typedef long long LL;
 
#define iter(x) x.begin(),x.end()
#define F first
#define S second
#define pb push_back
#define mkp make_pair
 
#include <climits>
const int maxn = 70,mod = (119 << 23)^1;
 
int ctoi(char c){
    if (c >= 'a' and c <= 'p') return c - 'a';
    else if (c >= 'A' and c <= 'P') return c - 'A' + 16;
    else if (c > 'p' and c <= 'z') return c - 'p' + 31;
    else if (c > 'P' and c <= 'Z') return c - 'P' + 41;
    else return c - '0' + 52;
}

LL dp[maxn][maxn][maxn]{};
 
int main(){
    ios_base::sync_with_stdio(false); cin.tie(0);
    set <string> st[11];
    int n;
 
    cin >> n;
    for (int i=0;i<n;++i){
        string s; cin >> s;
        st[s.size()].insert(s);
        reverse(iter(s));
        st[s.size()].insert(s);
    }
 
    LL ans = 0;
    for (int len=3;len<=10;++len) if (!st[len].empty()){
        int mx = 0;
        LL cnt[maxn][maxn]{};
        memset(dp,0,sizeof(dp));
        for (string s:st[len]){
            ++cnt[ctoi(s[0])][ctoi(s.back())];
            mx = max(mx,ctoi(s[0]));
        }
        for (int i=0;i<=mx;++i) for (int j=0;j<=mx;++j) for (int k=0;k<=mx;++k) for (int l=0;l<=mx;++l){
            dp[i][j][k] += cnt[i][l] * cnt[j][l] % mod * cnt[k][l] % mod;
            dp[i][j][k] %= mod;
        }
        for (int i=0;i<=mx;++i) for (int j=0;j<=mx;++j) for (int k=0;k<=mx;++k) for (int l=0;l<=mx;++l){
            ans += dp[i][j][k] * dp[i][j][l] % mod * dp[i][k][l] % mod * dp[j][k][l];
            ans %= mod;
        }
    }
 
    cout << ans;
 
    return 0;
}

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 154 ms 17512 KB Output is correct
2 Correct 156 ms 17492 KB Output is correct
3 Correct 156 ms 17504 KB Output is correct
4 Correct 154 ms 17444 KB Output is correct
5 Correct 152 ms 17456 KB Output is correct
6 Correct 159 ms 17504 KB Output is correct
7 Correct 161 ms 17428 KB Output is correct
8 Correct 157 ms 17468 KB Output is correct
9 Correct 155 ms 17540 KB Output is correct
10 Correct 156 ms 17476 KB Output is correct
11 Correct 161 ms 17428 KB Output is correct
12 Correct 155 ms 17456 KB Output is correct
13 Correct 151 ms 17476 KB Output is correct
14 Correct 156 ms 17452 KB Output is correct
15 Correct 159 ms 17408 KB Output is correct
16 Correct 152 ms 17476 KB Output is correct
17 Correct 156 ms 17524 KB Output is correct
18 Correct 159 ms 17576 KB Output is correct
19 Correct 160 ms 17392 KB Output is correct
20 Correct 159 ms 17500 KB Output is correct
21 Correct 161 ms 17556 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 154 ms 17512 KB Output is correct
2 Correct 156 ms 17492 KB Output is correct
3 Correct 156 ms 17504 KB Output is correct
4 Correct 154 ms 17444 KB Output is correct
5 Correct 152 ms 17456 KB Output is correct
6 Correct 159 ms 17504 KB Output is correct
7 Correct 161 ms 17428 KB Output is correct
8 Correct 157 ms 17468 KB Output is correct
9 Correct 155 ms 17540 KB Output is correct
10 Correct 156 ms 17476 KB Output is correct
11 Correct 161 ms 17428 KB Output is correct
12 Correct 155 ms 17456 KB Output is correct
13 Correct 151 ms 17476 KB Output is correct
14 Correct 156 ms 17452 KB Output is correct
15 Correct 159 ms 17408 KB Output is correct
16 Correct 152 ms 17476 KB Output is correct
17 Correct 156 ms 17524 KB Output is correct
18 Correct 159 ms 17576 KB Output is correct
19 Correct 160 ms 17392 KB Output is correct
20 Correct 159 ms 17500 KB Output is correct
21 Correct 161 ms 17556 KB Output is correct
22 Correct 169 ms 18144 KB Output is correct
23 Correct 174 ms 18244 KB Output is correct
24 Correct 164 ms 18116 KB Output is correct
25 Correct 164 ms 18116 KB Output is correct
26 Correct 169 ms 18148 KB Output is correct
27 Correct 169 ms 18152 KB Output is correct
28 Correct 181 ms 18124 KB Output is correct
29 Correct 167 ms 18168 KB Output is correct
30 Correct 166 ms 18156 KB Output is correct
31 Correct 181 ms 18116 KB Output is correct
32 Correct 165 ms 18116 KB Output is correct
33 Correct 162 ms 18124 KB Output is correct
34 Correct 160 ms 18204 KB Output is correct
35 Correct 175 ms 18104 KB Output is correct
36 Correct 169 ms 18164 KB Output is correct
37 Correct 175 ms 18116 KB Output is correct
38 Correct 178 ms 18104 KB Output is correct
39 Correct 176 ms 18144 KB Output is correct
40 Correct 163 ms 18248 KB Output is correct
41 Correct 183 ms 18048 KB Output is correct
42 Correct 174 ms 18092 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 154 ms 17512 KB Output is correct
2 Correct 156 ms 17492 KB Output is correct
3 Correct 156 ms 17504 KB Output is correct
4 Correct 154 ms 17444 KB Output is correct
5 Correct 152 ms 17456 KB Output is correct
6 Correct 159 ms 17504 KB Output is correct
7 Correct 161 ms 17428 KB Output is correct
8 Correct 157 ms 17468 KB Output is correct
9 Correct 155 ms 17540 KB Output is correct
10 Correct 156 ms 17476 KB Output is correct
11 Correct 161 ms 17428 KB Output is correct
12 Correct 155 ms 17456 KB Output is correct
13 Correct 151 ms 17476 KB Output is correct
14 Correct 156 ms 17452 KB Output is correct
15 Correct 159 ms 17408 KB Output is correct
16 Correct 152 ms 17476 KB Output is correct
17 Correct 156 ms 17524 KB Output is correct
18 Correct 159 ms 17576 KB Output is correct
19 Correct 160 ms 17392 KB Output is correct
20 Correct 159 ms 17500 KB Output is correct
21 Correct 161 ms 17556 KB Output is correct
22 Correct 169 ms 18144 KB Output is correct
23 Correct 174 ms 18244 KB Output is correct
24 Correct 164 ms 18116 KB Output is correct
25 Correct 164 ms 18116 KB Output is correct
26 Correct 169 ms 18148 KB Output is correct
27 Correct 169 ms 18152 KB Output is correct
28 Correct 181 ms 18124 KB Output is correct
29 Correct 167 ms 18168 KB Output is correct
30 Correct 166 ms 18156 KB Output is correct
31 Correct 181 ms 18116 KB Output is correct
32 Correct 165 ms 18116 KB Output is correct
33 Correct 162 ms 18124 KB Output is correct
34 Correct 160 ms 18204 KB Output is correct
35 Correct 175 ms 18104 KB Output is correct
36 Correct 169 ms 18164 KB Output is correct
37 Correct 175 ms 18116 KB Output is correct
38 Correct 178 ms 18104 KB Output is correct
39 Correct 176 ms 18144 KB Output is correct
40 Correct 163 ms 18248 KB Output is correct
41 Correct 183 ms 18048 KB Output is correct
42 Correct 174 ms 18092 KB Output is correct
43 Correct 269 ms 18376 KB Output is correct
44 Correct 263 ms 18500 KB Output is correct
45 Correct 265 ms 18344 KB Output is correct
46 Correct 268 ms 18364 KB Output is correct
47 Correct 263 ms 18364 KB Output is correct
48 Correct 279 ms 18376 KB Output is correct
49 Correct 278 ms 18376 KB Output is correct
50 Correct 272 ms 18372 KB Output is correct
51 Correct 262 ms 18468 KB Output is correct
52 Correct 262 ms 18244 KB Output is correct
53 Correct 263 ms 18452 KB Output is correct
54 Correct 267 ms 18480 KB Output is correct
55 Correct 266 ms 18472 KB Output is correct
56 Correct 260 ms 18372 KB Output is correct
57 Correct 268 ms 18248 KB Output is correct
58 Correct 271 ms 18476 KB Output is correct
59 Correct 276 ms 18256 KB Output is correct
60 Correct 270 ms 18384 KB Output is correct
61 Correct 265 ms 18300 KB Output is correct
62 Correct 268 ms 18244 KB Output is correct
63 Correct 274 ms 18368 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 154 ms 17512 KB Output is correct
2 Correct 156 ms 17492 KB Output is correct
3 Correct 156 ms 17504 KB Output is correct
4 Correct 154 ms 17444 KB Output is correct
5 Correct 152 ms 17456 KB Output is correct
6 Correct 159 ms 17504 KB Output is correct
7 Correct 161 ms 17428 KB Output is correct
8 Correct 157 ms 17468 KB Output is correct
9 Correct 155 ms 17540 KB Output is correct
10 Correct 156 ms 17476 KB Output is correct
11 Correct 161 ms 17428 KB Output is correct
12 Correct 155 ms 17456 KB Output is correct
13 Correct 151 ms 17476 KB Output is correct
14 Correct 156 ms 17452 KB Output is correct
15 Correct 159 ms 17408 KB Output is correct
16 Correct 152 ms 17476 KB Output is correct
17 Correct 156 ms 17524 KB Output is correct
18 Correct 159 ms 17576 KB Output is correct
19 Correct 160 ms 17392 KB Output is correct
20 Correct 159 ms 17500 KB Output is correct
21 Correct 161 ms 17556 KB Output is correct
22 Correct 169 ms 18144 KB Output is correct
23 Correct 174 ms 18244 KB Output is correct
24 Correct 164 ms 18116 KB Output is correct
25 Correct 164 ms 18116 KB Output is correct
26 Correct 169 ms 18148 KB Output is correct
27 Correct 169 ms 18152 KB Output is correct
28 Correct 181 ms 18124 KB Output is correct
29 Correct 167 ms 18168 KB Output is correct
30 Correct 166 ms 18156 KB Output is correct
31 Correct 181 ms 18116 KB Output is correct
32 Correct 165 ms 18116 KB Output is correct
33 Correct 162 ms 18124 KB Output is correct
34 Correct 160 ms 18204 KB Output is correct
35 Correct 175 ms 18104 KB Output is correct
36 Correct 169 ms 18164 KB Output is correct
37 Correct 175 ms 18116 KB Output is correct
38 Correct 178 ms 18104 KB Output is correct
39 Correct 176 ms 18144 KB Output is correct
40 Correct 163 ms 18248 KB Output is correct
41 Correct 183 ms 18048 KB Output is correct
42 Correct 174 ms 18092 KB Output is correct
43 Correct 269 ms 18376 KB Output is correct
44 Correct 263 ms 18500 KB Output is correct
45 Correct 265 ms 18344 KB Output is correct
46 Correct 268 ms 18364 KB Output is correct
47 Correct 263 ms 18364 KB Output is correct
48 Correct 279 ms 18376 KB Output is correct
49 Correct 278 ms 18376 KB Output is correct
50 Correct 272 ms 18372 KB Output is correct
51 Correct 262 ms 18468 KB Output is correct
52 Correct 262 ms 18244 KB Output is correct
53 Correct 263 ms 18452 KB Output is correct
54 Correct 267 ms 18480 KB Output is correct
55 Correct 266 ms 18472 KB Output is correct
56 Correct 260 ms 18372 KB Output is correct
57 Correct 268 ms 18248 KB Output is correct
58 Correct 271 ms 18476 KB Output is correct
59 Correct 276 ms 18256 KB Output is correct
60 Correct 270 ms 18384 KB Output is correct
61 Correct 265 ms 18300 KB Output is correct
62 Correct 268 ms 18244 KB Output is correct
63 Correct 274 ms 18368 KB Output is correct
64 Execution timed out 1185 ms 18620 KB Time limit exceeded
65 Halted 0 ms 0 KB -