delete pics to save space

1.1305.cpp

@@ -0,0 +1,18 @@
+#include<bits/stdc++.h>
+using namespace std;
+int n;
+char a[30][3];
+void dfs(char x)
+{
+    if(x=='*') return;
+    cout<<x;
+    for(int i=1;i<=n;i++)
+        if(a[i][0]==x) dfs(a[i][1]),dfs(a[i][2]);
+}
+int main()
+{
+    cin>>n;
+    for(int i=1;i<=n;i++) cin>>a[i][0]>>a[i][1]>>a[i][2];
+    dfs(a[1][0]);
+    return 0;
+}