(I2
I51
I5
(dp0
Vnecklace.%l
p1
(Vnecklace.cpp
p2
S'#include <iostream>\r\nusing namespace std;\r\n    string a;\r\nint main ()\r\n{\r\n    char c,d1,d2;\r\n    int n,k,br=0,v=0;\r\n    cin>>n>>k;\r\n    cin.get(c);\r\n    getline(cin, a);\r\n     for (int i=1;i<=k;i++)\r\n     {\r\n         cin.get(d1);\r\n         cin.get(d2);\r\n         cin.get(c);\r\n         for (int j=0;j<n;j++)\r\n         {\r\n             if (a[j]==d1) v+=br;\r\n             if (a[j]==d2) br++;\r\n             /// cout<<" i= "<<i<<" j= "<<j<<" v= "<<v<<" br= "<<br<<endl;\r\n         }\r\n         br=0;\r\n     }\r\n     cout<<v;\r\n     /*\r\n     for (int i=1;i<=k;i++)\r\n     {\r\n         cout<<(d[i][1]);\r\n         cout<<(d[i][2])<<endl;\r\n     }\r\n    cout<<a;*/\r\n\r\n\r\n\r\n}\r\n/*\r\n6 3\r\nabaabc\r\nab\r\nac\r\nbb\r\n*/\r\n'
p3
tp4
stp5
.