37 lines
669 B
C++
37 lines
669 B
C++
#include <iostream>
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#include <vector>
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std::vector<int> read_input()
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{
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std::vector<int> input;
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input.reserve(20000);
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int i = 0;
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while (std::cin >> i)
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input.push_back(i);
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return input;
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}
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int read_node(std::vector<int>::iterator &it)
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{
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int child_count = *it++;
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int meta_count = *it++;
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int value = 0;
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for (int i = 0; i < child_count; i++)
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value += read_node(it);
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for (int i = 0; i < meta_count; i++)
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value += *it++;
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return value;
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}
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int main(int argc, char **argv)
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{
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std::vector<int> input = read_input();
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auto iterator = input.begin();
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std::cout << read_node(iterator) << std::endl;
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}
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