#D3500. GeT AC
GeT AC
GeT AC
You are given a string S of length N consisting of A
, C
, G
and T
. Answer the following Q queries:
- Query i (1 \leq i \leq Q): You will be given integers l_i and r_i (1 \leq l_i < r_i \leq N). Consider the substring of S starting at index l_i and ending at index r_i (both inclusive). In this string, how many times does
AC
occurs as a substring?
Constraints
- 2 \leq N \leq 10^5
- 1 \leq Q \leq 10^5
- S is a string of length N.
- Each character in S is
A
,C
,G
orT
. - 1 \leq l_i < r_i \leq N
Input
Input is given from Standard Input in the following format:
N Q S l_1 r_1 : l_Q r_Q
Output
Print Q lines. The i-th line should contain the answer to the i-th query.
Example
Input
8 3 ACACTACG 3 7 2 3 1 8
Output
2 0 3
inputFormat
Input
Input is given from Standard Input in the following format:
N Q S l_1 r_1 : l_Q r_Q
outputFormat
Output
Print Q lines. The i-th line should contain the answer to the i-th query.
Example
Input
8 3 ACACTACG 3 7 2 3 1 8
Output
2 0 3
样例
8 3
ACACTACG
3 7
2 3
1 8
2
0
3
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