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17 lines
394 B
17 lines
394 B
#include <bits/stdc++.h>
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using namespace std;
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char a[] = {'A', 'B', 'C'};
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int main() {
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// AB AC BC 要
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// BA CB CA x
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for (int i = 0; i < 3; i++)
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for (int j = 0; j < 3; j++)
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cout << a[i] << a[j] << " ";
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puts("");
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for (int i = 0; i < 3; i++)
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for (int j = i + 1; j < 3; j++)
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cout << a[i] << a[j] << " ";
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return 0;
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} |