#C7736. Balanced Brackets
Balanced Brackets
Balanced Brackets
You are given a sequence of strings, each string consisting of bracket characters: '(', ')', '{', '}', '[' and ']'. The task is to determine whether the sequence of brackets in each string is balanced. A sequence is considered balanced if:
- Every opening bracket has a corresponding closing bracket of the same type.
- The brackets are closed in the correct order.
For example, the string {[()]}
is balanced, whereas {[(])}
is not.
Your program should process multiple bracket sequences. For each sequence, output YES
if it is balanced and NO
otherwise.
Note: All input should be read from stdin
and all output should be printed to stdout
.
inputFormat
The first line contains an integer T, the number of bracket sequences to evaluate. Each of the following T lines contains one string S consisting solely of the characters '(', ')', '{', '}', '[' and ']'.
Input is provided via stdin
.
outputFormat
For each bracket sequence, output a single line containing either YES
if the sequence is balanced, or NO
if it is not balanced. The output should be printed to stdout
.
7
{[()]}
{[(])}
{{[[(())]]}}
()
[({})]
{[}
(
YES
NO
YES
YES
YES
NO
NO
</p>