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답안 #578904

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
578904 2022-06-18T07:35:19 Z amunduzbaev Cubeword (CEOI19_cubeword) C++17
84 / 100
 556 ms 46508 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';
			if('A' <= x && x <= 'Z') x = x - 'A' + 26;
			if('0' <= x && x <= '9') 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:68:14: warning: array subscript has type 'char' [-Wchar-subscripts]
   68 |    is[a[l][0]][a[l][s-1]]++;
      |              ^
cubeword.cpp:68:25: warning: array subscript has type 'char' [-Wchar-subscripts]
   68 |    is[a[l][0]][a[l][s-1]]++;
      |                         ^

Subtask #1
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 530 ms 46372 KB Output is correct
2 Correct 537 ms 46408 KB Output is correct
3 Correct 551 ms 46508 KB Output is correct
4 Correct 539 ms 46392 KB Output is correct
5 Correct 532 ms 46420 KB Output is correct
6 Correct 532 ms 46508 KB Output is correct
7 Correct 523 ms 46388 KB Output is correct
8 Correct 528 ms 46372 KB Output is correct
9 Correct 535 ms 46412 KB Output is correct
10 Correct 530 ms 46360 KB Output is correct
11 Correct 528 ms 46480 KB Output is correct
12 Correct 552 ms 46392 KB Output is correct
13 Correct 536 ms 46352 KB Output is correct
14 Correct 528 ms 46404 KB Output is correct
15 Correct 529 ms 46480 KB Output is correct
16 Correct 540 ms 46368 KB Output is correct
17 Correct 543 ms 46468 KB Output is correct
18 Correct 528 ms 46396 KB Output is correct
19 Correct 539 ms 46460 KB Output is correct
20 Correct 528 ms 46424 KB Output is correct
21 Correct 525 ms 46468 KB Output is correct

Subtask #2
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 530 ms 46372 KB Output is correct
2 Correct 537 ms 46408 KB Output is correct
3 Correct 551 ms 46508 KB Output is correct
4 Correct 539 ms 46392 KB Output is correct
5 Correct 532 ms 46420 KB Output is correct
6 Correct 532 ms 46508 KB Output is correct
7 Correct 523 ms 46388 KB Output is correct
8 Correct 528 ms 46372 KB Output is correct
9 Correct 535 ms 46412 KB Output is correct
10 Correct 530 ms 46360 KB Output is correct
11 Correct 528 ms 46480 KB Output is correct
12 Correct 552 ms 46392 KB Output is correct
13 Correct 536 ms 46352 KB Output is correct
14 Correct 528 ms 46404 KB Output is correct
15 Correct 529 ms 46480 KB Output is correct
16 Correct 540 ms 46368 KB Output is correct
17 Correct 543 ms 46468 KB Output is correct
18 Correct 528 ms 46396 KB Output is correct
19 Correct 539 ms 46460 KB Output is correct
20 Correct 528 ms 46424 KB Output is correct
21 Correct 525 ms 46468 KB Output is correct
22 Correct 521 ms 46380 KB Output is correct
23 Correct 524 ms 46348 KB Output is correct
24 Correct 526 ms 46388 KB Output is correct
25 Correct 532 ms 46376 KB Output is correct
26 Correct 545 ms 46308 KB Output is correct
27 Correct 525 ms 46364 KB Output is correct
28 Correct 527 ms 46344 KB Output is correct
29 Correct 531 ms 46304 KB Output is correct
30 Correct 518 ms 46480 KB Output is correct
31 Correct 543 ms 46424 KB Output is correct
32 Correct 519 ms 46440 KB Output is correct
33 Correct 527 ms 46440 KB Output is correct
34 Correct 529 ms 46384 KB Output is correct
35 Correct 535 ms 46476 KB Output is correct
36 Correct 528 ms 46348 KB Output is correct
37 Correct 532 ms 46416 KB Output is correct
38 Correct 542 ms 46300 KB Output is correct
39 Correct 546 ms 46456 KB Output is correct
40 Correct 540 ms 46352 KB Output is correct
41 Correct 537 ms 46428 KB Output is correct
42 Correct 533 ms 46328 KB Output is correct

Subtask #3
34.0 / 34.0

# 결과 실행 시간 메모리 Grader output
1 Correct 530 ms 46372 KB Output is correct
2 Correct 537 ms 46408 KB Output is correct
3 Correct 551 ms 46508 KB Output is correct
4 Correct 539 ms 46392 KB Output is correct
5 Correct 532 ms 46420 KB Output is correct
6 Correct 532 ms 46508 KB Output is correct
7 Correct 523 ms 46388 KB Output is correct
8 Correct 528 ms 46372 KB Output is correct
9 Correct 535 ms 46412 KB Output is correct
10 Correct 530 ms 46360 KB Output is correct
11 Correct 528 ms 46480 KB Output is correct
12 Correct 552 ms 46392 KB Output is correct
13 Correct 536 ms 46352 KB Output is correct
14 Correct 528 ms 46404 KB Output is correct
15 Correct 529 ms 46480 KB Output is correct
16 Correct 540 ms 46368 KB Output is correct
17 Correct 543 ms 46468 KB Output is correct
18 Correct 528 ms 46396 KB Output is correct
19 Correct 539 ms 46460 KB Output is correct
20 Correct 528 ms 46424 KB Output is correct
21 Correct 525 ms 46468 KB Output is correct
22 Correct 521 ms 46380 KB Output is correct
23 Correct 524 ms 46348 KB Output is correct
24 Correct 526 ms 46388 KB Output is correct
25 Correct 532 ms 46376 KB Output is correct
26 Correct 545 ms 46308 KB Output is correct
27 Correct 525 ms 46364 KB Output is correct
28 Correct 527 ms 46344 KB Output is correct
29 Correct 531 ms 46304 KB Output is correct
30 Correct 518 ms 46480 KB Output is correct
31 Correct 543 ms 46424 KB Output is correct
32 Correct 519 ms 46440 KB Output is correct
33 Correct 527 ms 46440 KB Output is correct
34 Correct 529 ms 46384 KB Output is correct
35 Correct 535 ms 46476 KB Output is correct
36 Correct 528 ms 46348 KB Output is correct
37 Correct 532 ms 46416 KB Output is correct
38 Correct 542 ms 46300 KB Output is correct
39 Correct 546 ms 46456 KB Output is correct
40 Correct 540 ms 46352 KB Output is correct
41 Correct 537 ms 46428 KB Output is correct
42 Correct 533 ms 46328 KB Output is correct
43 Correct 531 ms 46388 KB Output is correct
44 Correct 538 ms 46400 KB Output is correct
45 Correct 535 ms 46476 KB Output is correct
46 Correct 535 ms 46352 KB Output is correct
47 Correct 550 ms 46364 KB Output is correct
48 Correct 547 ms 46388 KB Output is correct
49 Correct 533 ms 46308 KB Output is correct
50 Correct 523 ms 46472 KB Output is correct
51 Correct 550 ms 46360 KB Output is correct
52 Correct 533 ms 46508 KB Output is correct
53 Correct 529 ms 46392 KB Output is correct
54 Correct 536 ms 46352 KB Output is correct
55 Correct 537 ms 46388 KB Output is correct
56 Correct 543 ms 46392 KB Output is correct
57 Correct 545 ms 46456 KB Output is correct
58 Correct 550 ms 46412 KB Output is correct
59 Correct 536 ms 46496 KB Output is correct
60 Correct 535 ms 46424 KB Output is correct
61 Correct 531 ms 46352 KB Output is correct
62 Correct 526 ms 46388 KB Output is correct
63 Correct 527 ms 46424 KB Output is correct

Subtask #4
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 530 ms 46372 KB Output is correct
2 Correct 537 ms 46408 KB Output is correct
3 Correct 551 ms 46508 KB Output is correct
4 Correct 539 ms 46392 KB Output is correct
5 Correct 532 ms 46420 KB Output is correct
6 Correct 532 ms 46508 KB Output is correct
7 Correct 523 ms 46388 KB Output is correct
8 Correct 528 ms 46372 KB Output is correct
9 Correct 535 ms 46412 KB Output is correct
10 Correct 530 ms 46360 KB Output is correct
11 Correct 528 ms 46480 KB Output is correct
12 Correct 552 ms 46392 KB Output is correct
13 Correct 536 ms 46352 KB Output is correct
14 Correct 528 ms 46404 KB Output is correct
15 Correct 529 ms 46480 KB Output is correct
16 Correct 540 ms 46368 KB Output is correct
17 Correct 543 ms 46468 KB Output is correct
18 Correct 528 ms 46396 KB Output is correct
19 Correct 539 ms 46460 KB Output is correct
20 Correct 528 ms 46424 KB Output is correct
21 Correct 525 ms 46468 KB Output is correct
22 Correct 521 ms 46380 KB Output is correct
23 Correct 524 ms 46348 KB Output is correct
24 Correct 526 ms 46388 KB Output is correct
25 Correct 532 ms 46376 KB Output is correct
26 Correct 545 ms 46308 KB Output is correct
27 Correct 525 ms 46364 KB Output is correct
28 Correct 527 ms 46344 KB Output is correct
29 Correct 531 ms 46304 KB Output is correct
30 Correct 518 ms 46480 KB Output is correct
31 Correct 543 ms 46424 KB Output is correct
32 Correct 519 ms 46440 KB Output is correct
33 Correct 527 ms 46440 KB Output is correct
34 Correct 529 ms 46384 KB Output is correct
35 Correct 535 ms 46476 KB Output is correct
36 Correct 528 ms 46348 KB Output is correct
37 Correct 532 ms 46416 KB Output is correct
38 Correct 542 ms 46300 KB Output is correct
39 Correct 546 ms 46456 KB Output is correct
40 Correct 540 ms 46352 KB Output is correct
41 Correct 537 ms 46428 KB Output is correct
42 Correct 533 ms 46328 KB Output is correct
43 Correct 531 ms 46388 KB Output is correct
44 Correct 538 ms 46400 KB Output is correct
45 Correct 535 ms 46476 KB Output is correct
46 Correct 535 ms 46352 KB Output is correct
47 Correct 550 ms 46364 KB Output is correct
48 Correct 547 ms 46388 KB Output is correct
49 Correct 533 ms 46308 KB Output is correct
50 Correct 523 ms 46472 KB Output is correct
51 Correct 550 ms 46360 KB Output is correct
52 Correct 533 ms 46508 KB Output is correct
53 Correct 529 ms 46392 KB Output is correct
54 Correct 536 ms 46352 KB Output is correct
55 Correct 537 ms 46388 KB Output is correct
56 Correct 543 ms 46392 KB Output is correct
57 Correct 545 ms 46456 KB Output is correct
58 Correct 550 ms 46412 KB Output is correct
59 Correct 536 ms 46496 KB Output is correct
60 Correct 535 ms 46424 KB Output is correct
61 Correct 531 ms 46352 KB Output is correct
62 Correct 526 ms 46388 KB Output is correct
63 Correct 527 ms 46424 KB Output is correct
64 Incorrect 556 ms 46332 KB Output isn't correct
65 Halted 0 ms 0 KB -