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- #include <iostream>
- #include <vector>
- using namespace std;
- int main(void) {
- int len;
- string in;
- cout << "Input text : ";
- getline(cin, in);
- len = in.size() * 2 - 1;
- vector<string> mat(len, string(len, 0));
- for (int i = 0; i < in.size(); i++)
- for (int j = i; j < len - i; j++)
- for (int k = i; k < len - i; k++)
- mat[j][k] = in[i];
- for (int i = 0; i < len; i++)
- cout << mat[i] << endl;
- return 0;
- }
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