Files
python/TangDou/LuoGuBook/P3997_0.cpp
HuangHai 1f397eca87 'commit'
2025-08-30 18:35:01 +08:00

17 lines
394 B
C++

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