HUST Online Judge WebBoard
Problem 123789456 >> 额
zhangxuanzhen @ 2025-05-07 20:25:58
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你有哪些群
zhangxuanzhen @ 2025-05-07 20:28:28
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不聊了
zhangxuanzhen @ 2025-05-07 20:28:32
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我退了
zhangwenbo @ 2025-05-07 20:30:03
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Deepseek交流群
计算机编程交流之城 一群
2班聊天群
竞赛1班
阴暗的洞穴
Phigros交流♂打歌群
<$ÿĀ>trollge事件;事件大爆发 交流群<$ÿĀ>
①抽卡版交流群
UTBU交流群
碎梦邪骨集团(S25:复活了)
zhangwenbo @ 2025-05-07 20:30:13
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utbu交流群 2
( )id:1036862339
命运重塑交流群
Daming&余妄 工作室
GhTr~Perfect Voyage交流群-原子核
fufu交流群㊅
ut帝国
XY | 编程-编曲开发组
毕业聊天群
zhangxuanzhen @ 2025-05-08 19:40:38
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666
zhangwenbo @ 2025-05-09 19:15:04
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chenrui @ 2025-05-10 08:56:39
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#include<bits/stdc++.h>
using namespace std;
int a[15];
int v[11];
int n;
void dfs(int num){
if(num==n){
for(int i=1;i<=n;i++){
cout<<a[i]<<" ";
}
cout<<endl;

}else{
for(int i=1;i<=n;i++){
if(v[i]==0){
a[num+1]=i;
v[i]=1;
dfs(num+1);
v[i]=0;
}
}
}

}
int main(){

cin>>n;
for(int i=1;i<=n;i++){
a[1]=i;
v[i]=1;
dfs(1);
v[i]=0;

}

return 0;
}
chengbinxuan @ 2025-05-10 09:41:45
[ Quote ] [ Edit ] [ Delete ] 9#
#include<bits/stdc++.h>
using namespace std;
int a[15];
int v[15];
int n,r;
void dfs(int in,int num){
if(num==r){
for(int i=1;i<=r;i++){
cout<<setw(3)<<a[i];
}
cout<<endl;
}else {
for(int i=in+1;i<=n;i++){
a[num+1]=i;
dfs(i,num+1);
}
}
}
int main(){
cin>>n>>r;
for(int i=1;i<=n-r+1;i++){
a[1]=i;
dfs(i,1);
}
return 0;
}