23 lines
481 B
C++
23 lines
481 B
C++
#include <cassert>
|
|
#include <iostream>
|
|
#include <string>
|
|
|
|
auto main() -> int
|
|
{
|
|
for (std::string line; std::getline(std::cin, line);) {
|
|
int floor = 0;
|
|
std::string::size_type pos = 0;
|
|
for (auto c : line) { // NOLINT(readability-identifier-length)
|
|
++pos;
|
|
assert(c == '(' || c == ')');
|
|
floor += (c == '(') ? 1 : 0;
|
|
floor -= (c == ')') ? 1 : 0;
|
|
if (floor == -1) {
|
|
break;
|
|
}
|
|
}
|
|
std::cout << pos << "\n";
|
|
}
|
|
|
|
return 0;
|
|
} |