(I2
I32
I5
(dp0
Vnecklace.%l
p1
(VUntitled2.cpp
p2
S"#include<iostream>\r\n#include<string>\r\nusing namespace std;\r\n\r\nlong long sum,t,u,i,y[30],o,e[30],j,k;\r\nchar a[30][680],s[2][680];\r\n\r\nint main ()\r\n\r\n{\r\nstring p;\r\ncin>>t>>u;\r\ncin>>p;\r\nfor(i=0;i<u;i++)\r\n{\r\n   cin>>s[0][i]>>s[1][i];\r\n   o=int(s[1][i])-int('a');\r\n   a[o][y[o]]=s[0][i];\r\n   y[o]++;\r\n}\r\n\r\nfor(i=0;i<t;i++)\r\n{\r\n   o=int(p[i])-int('a');\r\n   if(i==0)e[o]++;\r\n   else\r\n   {\r\n       for(j=0;j<y[o];j++)\r\n       {\r\n           k=int(a[o][j])-int('a');\r\n           sum+=e[k];\r\n       }\r\n       e[o]++;\r\n   }\r\n}\r\ncout<<sum<<endl;\r\nreturn 0;\r\n}\r\n"
p3
tp4
stp5
.