Chr*_*man 10
就在这里.
这是来自错误答案库的代码.
void generate_combos(int n, int k) {
int com[100];
for (int i = 0; i < k; i++) com[i] = i;
while (com[k - 1] < n) {
for (int i = 0; i < k; i++)
cout << com[i] << " ";
cout << endl;
int t = k - 1;
while (t != 0 && com[t] == n - k + t) t--;
com[t]++;
for (int i = t + 1; i < k; i++) com[i] = com[i - 1] + 1;
}
}
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这将按字典顺序生成组合.