oj.uz

Submission #578906

# Submission time Handle Problem Language Result Execution time Memory
578906 2022-06-18T07:37:44 Z amunduzbaev Cubeword (CEOI19_cubeword) C++17
100 / 100
 571 ms 36496 KB 
#include "bits/stdc++.h"
using namespace std;
 
#define ar array
typedef int64_t ll;
//~ #define int ll

const int N = 1e5 + 5;
const int M = 62;
const int mod = 119 << 23 | 1;
int is[M][M], pre[M][M][M], cnt[M][M][M][M];

int bp(int a, int b){
	int c=1;
	while(b){
		if(b&1) c = c * 1ll * a % mod;
		a = a * 1ll * a % mod, b >>= 1;
	} return c;
}

signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n; cin>>n;
	vector<string> a(n);
	for(int i=0;i<n;i++){
		cin>>a[i];
		for(auto& x : a[i]){
			if('a' <= x && x <= 'z') x = x - 'a';
			else if('A' <= x && x <= 'Z') x = x - 'A' + 26;
			else x = x - '0' + 52;
		}
		
		string b = a[i];
		reverse(b.begin(), b.end());
		a.push_back(b);
	}
	
	int p[4] {};
	for(int i=0;i<M;i++){
		for(int j=0;j<M;j++){
			for(int k=0;k<M;k++){
				for(int l=0;l<M;l++){
					p[0] = i, p[1] = j, p[2] = k, p[3] = l; // = {i, j, k, l};
					sort(p, p + 4);
					cnt[p[0]][p[1]][p[2]][p[3]]++;
				}
			}
		}
	}
	
	sort(a.begin(), a.end());
	vector<string> b;
	for(int i=0;i<n*2;i++){
		if(!i || a[i] != a[i-1]) b.push_back(a[i]);
	}
	swap(a, b);
	sort(a.begin(), a.end(), [&](string& a, string& b){
		return a.size() < b.size();
	});
	n = a.size();
	
	
	int l = 0, tot = 0;
	for(int s=3;s<=10;s++){
		memset(is, 0, sizeof is);
		int k = l;
		while(l < n && (int)a[l].size() == s){
			is[a[l][0]][a[l][s-1]]++;
			l++;
		}
		if(l == k) continue;
		memset(pre, 0, sizeof pre);
		
		for(int i=0;i<M;i++){
			for(int j=i;j<M;j++){
				for(int k=j;k<M;k++){
					for(int l=0;l<M;l++){
						pre[i][j][k] = (pre[i][j][k] + is[i][l] * 1ll * is[j][l] % mod * is[k][l]) % mod;
					}
				}
			}
		}
		
		for(int i=0;i<M;i++){
			for(int j=i;j<M;j++){
				for(int k=j;k<M;k++){
					for(int l=k;l<M;l++){
						int res = cnt[i][j][k][l] * 1ll * pre[i][j][k] % mod;
						res = res * 1ll * pre[i][j][l] % mod;
						res = res * 1ll * pre[i][k][l] % mod;
						res = res * 1ll * pre[j][k][l] % mod;
						tot += res;
						if(tot >= mod) tot -= mod;
					}
				}
			}
		}
	}
	
	//~ cout<<tot<<"\n";
	//~ tot = tot * 1ll * bp(6, mod - 2) % mod;
	cout<<tot<<"\n";
}

Compilation message

cubeword.cpp: In function 'int main()':
cubeword.cpp:69:14: warning: array subscript has type 'char' [-Wchar-subscripts]
   69 |    is[a[l][0]][a[l][s-1]]++;
      |              ^
cubeword.cpp:69:25: warning: array subscript has type 'char' [-Wchar-subscripts]
   69 |    is[a[l][0]][a[l][s-1]]++;
      |                         ^

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 528 ms 36464 KB Output is correct
2 Correct 521 ms 36400 KB Output is correct
3 Correct 526 ms 36376 KB Output is correct
4 Correct 520 ms 36328 KB Output is correct
5 Correct 510 ms 36376 KB Output is correct
6 Correct 515 ms 36372 KB Output is correct
7 Correct 512 ms 36372 KB Output is correct
8 Correct 508 ms 36376 KB Output is correct
9 Correct 515 ms 36448 KB Output is correct
10 Correct 504 ms 36372 KB Output is correct
11 Correct 507 ms 36364 KB Output is correct
12 Correct 507 ms 36484 KB Output is correct
13 Correct 542 ms 36384 KB Output is correct
14 Correct 514 ms 36360 KB Output is correct
15 Correct 521 ms 36368 KB Output is correct
16 Correct 516 ms 36304 KB Output is correct
17 Correct 514 ms 36368 KB Output is correct
18 Correct 516 ms 36420 KB Output is correct
19 Correct 532 ms 36368 KB Output is correct
20 Correct 558 ms 36344 KB Output is correct
21 Correct 517 ms 36396 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 528 ms 36464 KB Output is correct
2 Correct 521 ms 36400 KB Output is correct
3 Correct 526 ms 36376 KB Output is correct
4 Correct 520 ms 36328 KB Output is correct
5 Correct 510 ms 36376 KB Output is correct
6 Correct 515 ms 36372 KB Output is correct
7 Correct 512 ms 36372 KB Output is correct
8 Correct 508 ms 36376 KB Output is correct
9 Correct 515 ms 36448 KB Output is correct
10 Correct 504 ms 36372 KB Output is correct
11 Correct 507 ms 36364 KB Output is correct
12 Correct 507 ms 36484 KB Output is correct
13 Correct 542 ms 36384 KB Output is correct
14 Correct 514 ms 36360 KB Output is correct
15 Correct 521 ms 36368 KB Output is correct
16 Correct 516 ms 36304 KB Output is correct
17 Correct 514 ms 36368 KB Output is correct
18 Correct 516 ms 36420 KB Output is correct
19 Correct 532 ms 36368 KB Output is correct
20 Correct 558 ms 36344 KB Output is correct
21 Correct 517 ms 36396 KB Output is correct
22 Correct 522 ms 36408 KB Output is correct
23 Correct 514 ms 36340 KB Output is correct
24 Correct 517 ms 36372 KB Output is correct
25 Correct 545 ms 36492 KB Output is correct
26 Correct 515 ms 36420 KB Output is correct
27 Correct 522 ms 36480 KB Output is correct
28 Correct 525 ms 36376 KB Output is correct
29 Correct 512 ms 36464 KB Output is correct
30 Correct 516 ms 36360 KB Output is correct
31 Correct 512 ms 36356 KB Output is correct
32 Correct 510 ms 36492 KB Output is correct
33 Correct 516 ms 36324 KB Output is correct
34 Correct 520 ms 36380 KB Output is correct
35 Correct 521 ms 36372 KB Output is correct
36 Correct 521 ms 36368 KB Output is correct
37 Correct 521 ms 36340 KB Output is correct
38 Correct 507 ms 36376 KB Output is correct
39 Correct 515 ms 36456 KB Output is correct
40 Correct 528 ms 36364 KB Output is correct
41 Correct 514 ms 36308 KB Output is correct
42 Correct 520 ms 36408 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 528 ms 36464 KB Output is correct
2 Correct 521 ms 36400 KB Output is correct
3 Correct 526 ms 36376 KB Output is correct
4 Correct 520 ms 36328 KB Output is correct
5 Correct 510 ms 36376 KB Output is correct
6 Correct 515 ms 36372 KB Output is correct
7 Correct 512 ms 36372 KB Output is correct
8 Correct 508 ms 36376 KB Output is correct
9 Correct 515 ms 36448 KB Output is correct
10 Correct 504 ms 36372 KB Output is correct
11 Correct 507 ms 36364 KB Output is correct
12 Correct 507 ms 36484 KB Output is correct
13 Correct 542 ms 36384 KB Output is correct
14 Correct 514 ms 36360 KB Output is correct
15 Correct 521 ms 36368 KB Output is correct
16 Correct 516 ms 36304 KB Output is correct
17 Correct 514 ms 36368 KB Output is correct
18 Correct 516 ms 36420 KB Output is correct
19 Correct 532 ms 36368 KB Output is correct
20 Correct 558 ms 36344 KB Output is correct
21 Correct 517 ms 36396 KB Output is correct
22 Correct 522 ms 36408 KB Output is correct
23 Correct 514 ms 36340 KB Output is correct
24 Correct 517 ms 36372 KB Output is correct
25 Correct 545 ms 36492 KB Output is correct
26 Correct 515 ms 36420 KB Output is correct
27 Correct 522 ms 36480 KB Output is correct
28 Correct 525 ms 36376 KB Output is correct
29 Correct 512 ms 36464 KB Output is correct
30 Correct 516 ms 36360 KB Output is correct
31 Correct 512 ms 36356 KB Output is correct
32 Correct 510 ms 36492 KB Output is correct
33 Correct 516 ms 36324 KB Output is correct
34 Correct 520 ms 36380 KB Output is correct
35 Correct 521 ms 36372 KB Output is correct
36 Correct 521 ms 36368 KB Output is correct
37 Correct 521 ms 36340 KB Output is correct
38 Correct 507 ms 36376 KB Output is correct
39 Correct 515 ms 36456 KB Output is correct
40 Correct 528 ms 36364 KB Output is correct
41 Correct 514 ms 36308 KB Output is correct
42 Correct 520 ms 36408 KB Output is correct
43 Correct 523 ms 36436 KB Output is correct
44 Correct 524 ms 36472 KB Output is correct
45 Correct 538 ms 36444 KB Output is correct
46 Correct 511 ms 36348 KB Output is correct
47 Correct 516 ms 36412 KB Output is correct
48 Correct 522 ms 36404 KB Output is correct
49 Correct 512 ms 36336 KB Output is correct
50 Correct 513 ms 36352 KB Output is correct
51 Correct 513 ms 36404 KB Output is correct
52 Correct 503 ms 36440 KB Output is correct
53 Correct 515 ms 36356 KB Output is correct
54 Correct 515 ms 36376 KB Output is correct
55 Correct 522 ms 36388 KB Output is correct
56 Correct 508 ms 36308 KB Output is correct
57 Correct 521 ms 36368 KB Output is correct
58 Correct 511 ms 36408 KB Output is correct
59 Correct 510 ms 36312 KB Output is correct
60 Correct 515 ms 36376 KB Output is correct
61 Correct 514 ms 36452 KB Output is correct
62 Correct 517 ms 36368 KB Output is correct
63 Correct 517 ms 36400 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 528 ms 36464 KB Output is correct
2 Correct 521 ms 36400 KB Output is correct
3 Correct 526 ms 36376 KB Output is correct
4 Correct 520 ms 36328 KB Output is correct
5 Correct 510 ms 36376 KB Output is correct
6 Correct 515 ms 36372 KB Output is correct
7 Correct 512 ms 36372 KB Output is correct
8 Correct 508 ms 36376 KB Output is correct
9 Correct 515 ms 36448 KB Output is correct
10 Correct 504 ms 36372 KB Output is correct
11 Correct 507 ms 36364 KB Output is correct
12 Correct 507 ms 36484 KB Output is correct
13 Correct 542 ms 36384 KB Output is correct
14 Correct 514 ms 36360 KB Output is correct
15 Correct 521 ms 36368 KB Output is correct
16 Correct 516 ms 36304 KB Output is correct
17 Correct 514 ms 36368 KB Output is correct
18 Correct 516 ms 36420 KB Output is correct
19 Correct 532 ms 36368 KB Output is correct
20 Correct 558 ms 36344 KB Output is correct
21 Correct 517 ms 36396 KB Output is correct
22 Correct 522 ms 36408 KB Output is correct
23 Correct 514 ms 36340 KB Output is correct
24 Correct 517 ms 36372 KB Output is correct
25 Correct 545 ms 36492 KB Output is correct
26 Correct 515 ms 36420 KB Output is correct
27 Correct 522 ms 36480 KB Output is correct
28 Correct 525 ms 36376 KB Output is correct
29 Correct 512 ms 36464 KB Output is correct
30 Correct 516 ms 36360 KB Output is correct
31 Correct 512 ms 36356 KB Output is correct
32 Correct 510 ms 36492 KB Output is correct
33 Correct 516 ms 36324 KB Output is correct
34 Correct 520 ms 36380 KB Output is correct
35 Correct 521 ms 36372 KB Output is correct
36 Correct 521 ms 36368 KB Output is correct
37 Correct 521 ms 36340 KB Output is correct
38 Correct 507 ms 36376 KB Output is correct
39 Correct 515 ms 36456 KB Output is correct
40 Correct 528 ms 36364 KB Output is correct
41 Correct 514 ms 36308 KB Output is correct
42 Correct 520 ms 36408 KB Output is correct
43 Correct 523 ms 36436 KB Output is correct
44 Correct 524 ms 36472 KB Output is correct
45 Correct 538 ms 36444 KB Output is correct
46 Correct 511 ms 36348 KB Output is correct
47 Correct 516 ms 36412 KB Output is correct
48 Correct 522 ms 36404 KB Output is correct
49 Correct 512 ms 36336 KB Output is correct
50 Correct 513 ms 36352 KB Output is correct
51 Correct 513 ms 36404 KB Output is correct
52 Correct 503 ms 36440 KB Output is correct
53 Correct 515 ms 36356 KB Output is correct
54 Correct 515 ms 36376 KB Output is correct
55 Correct 522 ms 36388 KB Output is correct
56 Correct 508 ms 36308 KB Output is correct
57 Correct 521 ms 36368 KB Output is correct
58 Correct 511 ms 36408 KB Output is correct
59 Correct 510 ms 36312 KB Output is correct
60 Correct 515 ms 36376 KB Output is correct
61 Correct 514 ms 36452 KB Output is correct
62 Correct 517 ms 36368 KB Output is correct
63 Correct 517 ms 36400 KB Output is correct
64 Correct 510 ms 36340 KB Output is correct
65 Correct 515 ms 36376 KB Output is correct
66 Correct 506 ms 36304 KB Output is correct
67 Correct 504 ms 36376 KB Output is correct
68 Correct 515 ms 36436 KB Output is correct
69 Correct 515 ms 36372 KB Output is correct
70 Correct 506 ms 36364 KB Output is correct
71 Correct 547 ms 36440 KB Output is correct
72 Correct 507 ms 36348 KB Output is correct
73 Correct 516 ms 36312 KB Output is correct
74 Correct 509 ms 36340 KB Output is correct
75 Correct 517 ms 36368 KB Output is correct
76 Correct 513 ms 36396 KB Output is correct
77 Correct 571 ms 36372 KB Output is correct
78 Correct 514 ms 36368 KB Output is correct
79 Correct 524 ms 36372 KB Output is correct
80 Correct 505 ms 36400 KB Output is correct
81 Correct 522 ms 36352 KB Output is correct
82 Correct 512 ms 36488 KB Output is correct
83 Correct 513 ms 36496 KB Output is correct
84 Correct 533 ms 36296 KB Output is correct