21 lines
463 B
C++
21 lines
463 B
C++
#include <iostream>
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using namespace std;
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int main() {
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int n;
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cin >> n;
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//上面
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for (int i = n; i > 1; i--) {
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for (int j = 0; j <= n - i; j++)cout << " ";
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cout << "*";
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for (int j = 0; j < 2 * i - 1; j++)cout << " ";
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cout << "*" << endl;
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}
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//下面
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for (int i = 1; i <= n; i++) {
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for (int j = 0; j < n + 1; j++)cout << " ";
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cout << "*" << endl;
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}
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return 0;
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} |