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modified: 6.cpp

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hanyixuanten
2026-08-14 10:03:13 +08:00
parent 1619e9bdde
commit 02af7cc8e5
1 changed files with 5 additions and 4 deletions
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6.cpp
+5 -4
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@@ -1,22 +1,23 @@
// 92 // 92
#include <cstdio> #include <cstdio>
using namespace std; using namespace std;
int c; bool ch[20];
int n; int n;
void dfs(int now) void dfs(int now)
{ {
if (now == n) if (now > n)
{ {
for (int i = 1; i <= n; ++i) for (int i = 1; i <= n; ++i)
{ {
if (c & (1 << i)) if (ch[i])
printf("%d ", i); printf("%d ", i);
} }
puts(""); puts("");
return; return;
} }
ch[now]=0;
dfs(now + 1); dfs(now + 1);
c &= (1 << now); ch[now]=1;
dfs(now + 1); dfs(now + 1);
} }
int main() int main()