akkartik
/
mu
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

3244

This commit is contained in:
Kartik K. Agaram 2016-08-22 08:39:05 -07:00
parent aefe0592e8
commit 2d7131670e
1 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
016dilated_reagent.cc
View File

@ -61,17 +61,27 @@ string slurp_balanced_bracket(istream& in) {
while (in >> c) {
if (c == '(') open_brackets.push_back(c);
if (c == ')') {
if (open_brackets.empty() || open_brackets.back() != '(') {
raise << "unbalanced ')'\n" << end();
continue;
}
assert(open_brackets.back() == '(');
open_brackets.pop_back();
}
if (c == '[') open_brackets.push_back(c);
if (c == ']') {
assert(open_brackets.back() == '[');
if (open_brackets.empty() || open_brackets.back() != '[') {
raise << "unbalanced ']'\n" << end();
continue;
}
open_brackets.pop_back();
}
if (c == '{') open_brackets.push_back(c);
if (c == '}') {
assert(open_brackets.back() == '{');
if (open_brackets.empty() || open_brackets.back() != '{') {
raise << "unbalanced '}'\n" << end();
continue;
}
open_brackets.pop_back();
}
result << c;