22 lines
422 B
C++
22 lines
422 B
C++
#include <cassert>
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#include <iostream>
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#include <string>
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int main(int argc, char** argv)
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{
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for (std::string line; std::getline(std::cin, line);) {
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int floor = 0;
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std::string::size_type pos = 0;
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for (auto c : line) {
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++pos;
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assert(c == '(' || c == ')');
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floor += (c == '(') - (c == ')');
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if (floor == -1) {
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break;
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}
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}
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std::cout << pos << "\n";
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}
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return 0;
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} |