(I2
I40
I5
(dp0
Vnecklace.%l
p1
(Vnecklace.cpp
p2
S"#include<iostream>\r\n#include<string>\r\n#include<map>\r\nusing namespace std;\r\nint a[32][32],a1[32];\r\nint main()\r\n{\r\n    int n,k,br=0,i,j,sz;\r\n    string s,s1;\r\n    cin>>n>>k;\r\n    cin>>s;\r\n    for(i=0; i<n; i++)\r\n    {\r\n\r\n        for(j=0; j<27; j++)\r\n            a[j][s[i]-'a']+=a1[j];\r\n        a1[s[i]-'a']++;\r\n    }\r\n    for(i=0; i<k; i++)\r\n    {\r\n        cin>>s1;\r\n        br+=a[s1[0]-'a'][s1[1]-'a'];\r\n    }\r\n    cout<<br<<endl;\r\n    return 0;\r\n}\r\n"
p3
tp4
stp5
.