oj.uz

Submission #578901

# Submission time Handle Problem Language Result Execution time Memory
578901 2022-06-18T07:32:19 Z amunduzbaev Cubeword (CEOI19_cubeword) C++17
84 / 100
 616 ms 36516 KB 
#include "bits/stdc++.h"
using namespace std;
 
#define ar array
typedef int64_t 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] * 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];
						res = res * 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 = (tot + res) % 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:67:14: warning: array subscript has type 'char' [-Wchar-subscripts]
   67 |    is[a[l][0]][a[l][s-1]]++;
      |              ^
cubeword.cpp:67:25: warning: array subscript has type 'char' [-Wchar-subscripts]
   67 |    is[a[l][0]][a[l][s-1]]++;
      |                         ^

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 515 ms 36376 KB Output is correct
2 Correct 531 ms 36364 KB Output is correct
3 Correct 530 ms 36372 KB Output is correct
4 Correct 535 ms 36412 KB Output is correct
5 Correct 515 ms 36312 KB Output is correct
6 Correct 516 ms 36288 KB Output is correct
7 Correct 537 ms 36516 KB Output is correct
8 Correct 518 ms 36320 KB Output is correct
9 Correct 530 ms 36312 KB Output is correct
10 Correct 524 ms 36420 KB Output is correct
11 Correct 528 ms 36368 KB Output is correct
12 Correct 520 ms 36356 KB Output is correct
13 Correct 527 ms 36312 KB Output is correct
14 Correct 528 ms 36384 KB Output is correct
15 Correct 535 ms 36496 KB Output is correct
16 Correct 520 ms 36364 KB Output is correct
17 Correct 529 ms 36368 KB Output is correct
18 Correct 533 ms 36372 KB Output is correct
19 Correct 616 ms 36372 KB Output is correct
20 Correct 518 ms 36372 KB Output is correct
21 Correct 535 ms 36336 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 515 ms 36376 KB Output is correct
2 Correct 531 ms 36364 KB Output is correct
3 Correct 530 ms 36372 KB Output is correct
4 Correct 535 ms 36412 KB Output is correct
5 Correct 515 ms 36312 KB Output is correct
6 Correct 516 ms 36288 KB Output is correct
7 Correct 537 ms 36516 KB Output is correct
8 Correct 518 ms 36320 KB Output is correct
9 Correct 530 ms 36312 KB Output is correct
10 Correct 524 ms 36420 KB Output is correct
11 Correct 528 ms 36368 KB Output is correct
12 Correct 520 ms 36356 KB Output is correct
13 Correct 527 ms 36312 KB Output is correct
14 Correct 528 ms 36384 KB Output is correct
15 Correct 535 ms 36496 KB Output is correct
16 Correct 520 ms 36364 KB Output is correct
17 Correct 529 ms 36368 KB Output is correct
18 Correct 533 ms 36372 KB Output is correct
19 Correct 616 ms 36372 KB Output is correct
20 Correct 518 ms 36372 KB Output is correct
21 Correct 535 ms 36336 KB Output is correct
22 Correct 535 ms 36296 KB Output is correct
23 Correct 522 ms 36368 KB Output is correct
24 Correct 513 ms 36448 KB Output is correct
25 Correct 523 ms 36400 KB Output is correct
26 Correct 516 ms 36428 KB Output is correct
27 Correct 532 ms 36476 KB Output is correct
28 Correct 528 ms 36368 KB Output is correct
29 Correct 526 ms 36296 KB Output is correct
30 Correct 520 ms 36380 KB Output is correct
31 Correct 525 ms 36288 KB Output is correct
32 Correct 518 ms 36356 KB Output is correct
33 Correct 531 ms 36372 KB Output is correct
34 Correct 517 ms 36372 KB Output is correct
35 Correct 539 ms 36392 KB Output is correct
36 Correct 569 ms 36292 KB Output is correct
37 Correct 517 ms 36400 KB Output is correct
38 Correct 522 ms 36368 KB Output is correct
39 Correct 520 ms 36436 KB Output is correct
40 Correct 531 ms 36368 KB Output is correct
41 Correct 533 ms 36368 KB Output is correct
42 Correct 517 ms 36368 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 515 ms 36376 KB Output is correct
2 Correct 531 ms 36364 KB Output is correct
3 Correct 530 ms 36372 KB Output is correct
4 Correct 535 ms 36412 KB Output is correct
5 Correct 515 ms 36312 KB Output is correct
6 Correct 516 ms 36288 KB Output is correct
7 Correct 537 ms 36516 KB Output is correct
8 Correct 518 ms 36320 KB Output is correct
9 Correct 530 ms 36312 KB Output is correct
10 Correct 524 ms 36420 KB Output is correct
11 Correct 528 ms 36368 KB Output is correct
12 Correct 520 ms 36356 KB Output is correct
13 Correct 527 ms 36312 KB Output is correct
14 Correct 528 ms 36384 KB Output is correct
15 Correct 535 ms 36496 KB Output is correct
16 Correct 520 ms 36364 KB Output is correct
17 Correct 529 ms 36368 KB Output is correct
18 Correct 533 ms 36372 KB Output is correct
19 Correct 616 ms 36372 KB Output is correct
20 Correct 518 ms 36372 KB Output is correct
21 Correct 535 ms 36336 KB Output is correct
22 Correct 535 ms 36296 KB Output is correct
23 Correct 522 ms 36368 KB Output is correct
24 Correct 513 ms 36448 KB Output is correct
25 Correct 523 ms 36400 KB Output is correct
26 Correct 516 ms 36428 KB Output is correct
27 Correct 532 ms 36476 KB Output is correct
28 Correct 528 ms 36368 KB Output is correct
29 Correct 526 ms 36296 KB Output is correct
30 Correct 520 ms 36380 KB Output is correct
31 Correct 525 ms 36288 KB Output is correct
32 Correct 518 ms 36356 KB Output is correct
33 Correct 531 ms 36372 KB Output is correct
34 Correct 517 ms 36372 KB Output is correct
35 Correct 539 ms 36392 KB Output is correct
36 Correct 569 ms 36292 KB Output is correct
37 Correct 517 ms 36400 KB Output is correct
38 Correct 522 ms 36368 KB Output is correct
39 Correct 520 ms 36436 KB Output is correct
40 Correct 531 ms 36368 KB Output is correct
41 Correct 533 ms 36368 KB Output is correct
42 Correct 517 ms 36368 KB Output is correct
43 Correct 515 ms 36364 KB Output is correct
44 Correct 517 ms 36368 KB Output is correct
45 Correct 530 ms 36376 KB Output is correct
46 Correct 526 ms 36372 KB Output is correct
47 Correct 523 ms 36368 KB Output is correct
48 Correct 529 ms 36500 KB Output is correct
49 Correct 526 ms 36500 KB Output is correct
50 Correct 531 ms 36384 KB Output is correct
51 Correct 533 ms 36464 KB Output is correct
52 Correct 530 ms 36340 KB Output is correct
53 Correct 535 ms 36416 KB Output is correct
54 Correct 525 ms 36492 KB Output is correct
55 Correct 527 ms 36356 KB Output is correct
56 Correct 530 ms 36348 KB Output is correct
57 Correct 507 ms 36368 KB Output is correct
58 Correct 554 ms 36312 KB Output is correct
59 Correct 547 ms 36384 KB Output is correct
60 Correct 518 ms 36288 KB Output is correct
61 Correct 536 ms 36416 KB Output is correct
62 Correct 532 ms 36452 KB Output is correct
63 Correct 550 ms 36368 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 515 ms 36376 KB Output is correct
2 Correct 531 ms 36364 KB Output is correct
3 Correct 530 ms 36372 KB Output is correct
4 Correct 535 ms 36412 KB Output is correct
5 Correct 515 ms 36312 KB Output is correct
6 Correct 516 ms 36288 KB Output is correct
7 Correct 537 ms 36516 KB Output is correct
8 Correct 518 ms 36320 KB Output is correct
9 Correct 530 ms 36312 KB Output is correct
10 Correct 524 ms 36420 KB Output is correct
11 Correct 528 ms 36368 KB Output is correct
12 Correct 520 ms 36356 KB Output is correct
13 Correct 527 ms 36312 KB Output is correct
14 Correct 528 ms 36384 KB Output is correct
15 Correct 535 ms 36496 KB Output is correct
16 Correct 520 ms 36364 KB Output is correct
17 Correct 529 ms 36368 KB Output is correct
18 Correct 533 ms 36372 KB Output is correct
19 Correct 616 ms 36372 KB Output is correct
20 Correct 518 ms 36372 KB Output is correct
21 Correct 535 ms 36336 KB Output is correct
22 Correct 535 ms 36296 KB Output is correct
23 Correct 522 ms 36368 KB Output is correct
24 Correct 513 ms 36448 KB Output is correct
25 Correct 523 ms 36400 KB Output is correct
26 Correct 516 ms 36428 KB Output is correct
27 Correct 532 ms 36476 KB Output is correct
28 Correct 528 ms 36368 KB Output is correct
29 Correct 526 ms 36296 KB Output is correct
30 Correct 520 ms 36380 KB Output is correct
31 Correct 525 ms 36288 KB Output is correct
32 Correct 518 ms 36356 KB Output is correct
33 Correct 531 ms 36372 KB Output is correct
34 Correct 517 ms 36372 KB Output is correct
35 Correct 539 ms 36392 KB Output is correct
36 Correct 569 ms 36292 KB Output is correct
37 Correct 517 ms 36400 KB Output is correct
38 Correct 522 ms 36368 KB Output is correct
39 Correct 520 ms 36436 KB Output is correct
40 Correct 531 ms 36368 KB Output is correct
41 Correct 533 ms 36368 KB Output is correct
42 Correct 517 ms 36368 KB Output is correct
43 Correct 515 ms 36364 KB Output is correct
44 Correct 517 ms 36368 KB Output is correct
45 Correct 530 ms 36376 KB Output is correct
46 Correct 526 ms 36372 KB Output is correct
47 Correct 523 ms 36368 KB Output is correct
48 Correct 529 ms 36500 KB Output is correct
49 Correct 526 ms 36500 KB Output is correct
50 Correct 531 ms 36384 KB Output is correct
51 Correct 533 ms 36464 KB Output is correct
52 Correct 530 ms 36340 KB Output is correct
53 Correct 535 ms 36416 KB Output is correct
54 Correct 525 ms 36492 KB Output is correct
55 Correct 527 ms 36356 KB Output is correct
56 Correct 530 ms 36348 KB Output is correct
57 Correct 507 ms 36368 KB Output is correct
58 Correct 554 ms 36312 KB Output is correct
59 Correct 547 ms 36384 KB Output is correct
60 Correct 518 ms 36288 KB Output is correct
61 Correct 536 ms 36416 KB Output is correct
62 Correct 532 ms 36452 KB Output is correct
63 Correct 550 ms 36368 KB Output is correct
64 Incorrect 546 ms 36396 KB Output isn't correct
65 Halted 0 ms 0 KB -