pre { white-space: pre !important; word-wrap: normal !important; overflow-x: auto !important; display: block !important; font-family: "Consolas", "Monaco", "Courier New", …
要求:按字典序输出1到n的全排列
法一:next_permutation();
include
include
using namespace std;
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
int a[]={1,2,3,4,5,6,7,8};
do{
for(int i=0;i<…