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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#702363#9536. Athlete Welcome Ceremonyucup-team3661#RE 39ms642804kbC++202.0kb2024-11-02 15:50:362024-11-02 15:50:37

Judging History

This is the latest submission verdict.

  • [2024-11-02 15:50:37]
  • Judged
  • Verdict: RE
  • Time: 39ms
  • Memory: 642804kb
  • [2024-11-02 15:50:36]
  • Submitted

answer

#include<bits/stdc++.h>
using namespace std;
using ll = long long;

const ll mod = 1e9+7;

void add(ll &a , ll b){
	a += b;
	a %= mod;
}

ll dp[301][301][301][3];

int main(){
	int N; cin >> N;
	int Q; cin >> Q;
	string S; cin >> S;
	for(int i = 0; i < 301; i++){
		for(int j = 0; j < 301; j++){
			for(int k = 0; k < 301; k++){
				for(int l = 0; l < 3; l++){
					dp[i][j][k][l] = 0;
				}
			}
		}
	}
	if(S[0] == '?'){
		dp[0][1][0][0] = 1;
		dp[0][0][1][1] = 1;
		dp[0][0][0][2] = 1;
	}
	else{
		if(S[0] == 'a')dp[0][1][0][0] = 1;
		if(S[0] == 'b')dp[0][0][1][1] = 1;
		if(S[0] == 'c')dp[0][0][0][2] = 1;
	}
	for(int i = 1; i < N; i++){
		for(int j = 0; j <= N; j++){
			for(int k = 0; k <= N; k++){
				for(int pre = 0; pre < 3; pre++){
					if(S[i] == '?'){
						if(j-1 >= 0 && pre != 0)add(dp[i][j][k][0] , dp[i-1][j-1][k][pre]);
						if(k-1 >= 0 && pre != 1)add(dp[i][j][k][1] , dp[i-1][j][k-1][pre]);
						if(pre != 2)add(dp[i][j][k][2] , dp[i-1][j][k][pre]);
					}
					else{
						ll d = S[i] - 'a';
						if(d == pre)continue;
						if(d == 0){
							if(j-1 >= 0)add(dp[i][j][k][0] , dp[i-1][j-1][k][pre]);
						}
						if(d == 1){
							if(k-1 >= 0)add(dp[i][j][k][1] , dp[i-1][j][k-1][pre]);
						}
						if(d == 2){
							add(dp[i][j][k][2] , dp[i-1][j][k][pre]);
						}
					}
				}
			}
		}
	}
	vector<vector<ll>> sum(N+2 , vector<ll>(N+2));
	for(int i = 0; i <= N; i++){
		for(int j = 0; j <= N; j++){
			add(sum[i][j+1] , sum[i][j]);
			for(int k = 0; k < 3; k++)add(sum[i][j+1] , dp[N-1][i][j][k]);
		}
	}
	int ba = 0, bb = 0, bc = 0;
	for(int i = 0; i < N; i++){
		if(S[i] == 'a')ba++;
		if(S[i] == 'b')bb++;
		if(S[i] == 'c')bc++;
	}
	while(Q--){
		int A,B,C; cin >> A >> B >> C;
		A += ba;
		B += bb;
		C += bc;
		ll ans = 0;
		for(int a = 0; a <= A; a++){
			if(B+1 <= N-a-C)continue;
			add(ans , sum[a][min(B+1,N+1)]);
			add(ans , mod - sum[a][max(0 , N-a-C)]);
		}
		cout << ans << '\n';
	}
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 31ms
memory: 642724kb

input:

6 3
a?b??c
2 2 2
1 1 1
1 0 2

output:

3
1
1

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 36ms
memory: 642776kb

input:

6 3
??????
2 2 2
2 3 3
3 3 3

output:

30
72
96

result:

ok 3 lines

Test #3:

score: 0
Accepted
time: 39ms
memory: 642772kb

input:

1 1
?
0 1 1

output:

2

result:

ok single line: '2'

Test #4:

score: 0
Accepted
time: 24ms
memory: 642716kb

input:

10 10
acab?cbaca
0 2 0
1 1 2
4 2 3
1 1 1
3 5 1
0 5 2
2 2 0
1 2 5
4 3 0
1 1 3

output:

0
1
1
1
1
0
1
1
1
1

result:

ok 10 lines

Test #5:

score: 0
Accepted
time: 24ms
memory: 642780kb

input:

10 10
?c?c?cbac?
10 5 1
5 8 7
9 2 6
5 7 1
5 2 6
5 6 5
5 10 3
9 1 10
2 5 9
1 2 9

output:

16
16
11
16
11
16
16
5
11
0

result:

ok 10 lines

Test #6:

score: 0
Accepted
time: 19ms
memory: 642804kb

input:

50 100
?abacbacab?cbcbcb?acabcbabcbcacbababc?caba?acacbca
8 3 8
2 4 8
8 7 3
0 9 2
10 8 7
7 6 5
4 10 2
6 9 3
3 6 6
9 10 8
2 5 8
8 1 0
3 5 0
1 0 6
5 0 8
6 5 5
1 7 9
7 7 10
4 7 5
6 6 4
10 1 2
4 1 7
10 0 8
7 6 3
1 9 1
4 7 2
8 4 0
8 6 1
5 10 4
5 8 2
5 8 4
4 5 9
5 2 1
1 10 9
4 10 1
8 4 3
8 9 9
8 0 1
0 8 0...

output:

8
8
8
0
8
8
6
8
8
8
8
0
0
0
1
8
4
8
8
8
2
4
1
8
1
6
0
2
8
6
8
8
1
4
2
8
8
0
0
8
2
0
8
8
8
4
8
8
8
8
2
0
0
4
8
8
1
8
7
6
7
0
8
8
8
0
4
7
8
4
0
8
0
4
8
8
8
7
8
4
7
2
8
8
8
0
2
2
8
8
8
4
4
0
8
0
8
8
1
1

result:

ok 100 lines

Test #7:

score: -100
Runtime Error

input:

50 100
b????????bca?????c?b??ca?acac?b?b???ca?ab???a?a???
35 43 36
12 49 47
7 11 34
38 44 22
42 17 10
49 8 38
18 26 44
6 18 14
28 29 6
48 32 47
29 15 48
1 5 33
24 17 18
10 27 32
19 10 34
2 23 9
14 24 39
46 12 34
9 49 26
21 8 46
43 43 3
31 16 2
8 27 7
24 41 35
17 25 31
0 13 47
24 31 23
33 40 30
36 39...

output:

34272000
31599360
497244
34272000
17637520

result: