20 lines
539 B
C++
20 lines
539 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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//如果要求输入的是9行，那么n=(9+1)/2=5
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int i, j, n = 5;
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for (i = 1; i <= n; i++) {
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for (j = 1; j <= (n - i); j++) cout << " ";
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for (j = 1; j <= (2 * (i - 1) + 1); j++) cout << "*";
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cout << endl;
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}
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for (i = n - 1; i >= 1; i--) {
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for (j = 1; j <= (n - i); j++) cout << " ";
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for (j = 1; j <= (2 * (i - 1) + 1); j++) cout << "*";
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cout << endl;
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}
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cout << endl;
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return 0;
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} |