#include <iostream>
#include <vector>
#include <string>
using namespace std;

int main() {
	struct MyStruct {
		size_t some_num;
		char some_char;
		bool some_bool;
		MyStruct* some_ptr;
	};

	vector<vector<vector<MyStruct>>> three_d_struct_v;

	size_t max_i = 100;
	size_t max_j = 10;
	size_t max_k = 10;

	for(size_t i = 0; i < max_i; i++) {
		vector<vector<MyStruct>> v1;
		for(size_t j = 0; j < max_j; j++) {
			vector<MyStruct> v2;
			for(size_t k = 0; k < max_k; k++) {
				MyStruct a = {k, 'x', false, nullptr};
				v2.emplace_back(move(a));
			}
			v1.emplace_back(move(v2));
		}
		three_d_struct_v.emplace_back(move(v1));
	}

    // test
	cout << three_d_struct_v[0][0][0].some_char << endl;

	return 0;
}