Create 1256.cpp

POJ/1256.cpp

@@ -0,0 +1,40 @@
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+
+#include <string>
+#include <vector>
+#include <algorithm>
+using namespace std;
+char buff[1024];
+
+//vector<string> vec;
+
+bool cmp(const char& a,const char& b)
+{
+    char c=a>='a'?a-'a':a-'A';
+    char d=b>='a'?b-'a':b-'A';
+    if(c!=d) return c<d;
+    else return a<b;
+}
+
+int main()
+{
+    int t;
+    scanf("%d%*c",&t);
+    for(int i=0;i<t;i++)
+    {
+        gets(buff);
+        string str(buff);
+        sort(str.begin(),str.end(),cmp);
+        ////What? You mean this is needn't?
+        //if(find(vec.begin(),vec.end(),str)!=vec.end()) continue;
+        //vec.push_back(str);
+        printf("%s\n",str.c_str());
+        while(next_permutation(str.begin(),str.end(),cmp))
+        {
+            printf("%s\n",str.c_str());
+        }
+    }
+    return 0;
+}