13 lines
359 B
C++
13 lines
359 B
C++
#include <iostream>
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#include <vector>
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#include <random>
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static std::random_device util_dev;
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static std::mt19937 util_rng(util_dev());
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static int random_item(std::vector<int> items, bool get_id) {
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std::uniform_int_distribution<std::mt19937::result_type> dist_len(0,items.size()-1);
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int id = dist_len(util_rng);
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return get_id ? id : items[id];
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}
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