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#include "aoc.h"
namespace aoc2015 {
int day1(line_view lv) {
int level = 0;
for (size_t i = 0; i < lv.length; ++i) {
switch (lv.line[i]) {
case '(':
level += 1;
break;
case ')':
level += -1;
break;
default:
break;
}
}
return level;
}
int day1(line_view lv, int target) {
int level = 0;
for (size_t i = 0; i < lv.length; ++i) {
switch (lv.line[i]) {
case '(':
level += 1;
break;
case ')':
level += -1;
break;
default:
break;
}
if (level == target) {
return i + 1;
}
}
return -1;
}
} // namespace aoc2015
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