(I2
I74
I5
(dp0
Vnecklace.%l
p1
(Vnecklace.cpp
p2
S"#include<iostream>\r\nusing namespace std;\r\nchar a[100000],dv[2];\r\nlong long int p[1000000],first[27][676],k,n,i,i2,sb,i3,br[26];\r\nint main(){\r\ncin>>k>>n;\r\ncin>>a;\r\nfor(i=0;i<n;i++){\r\ncin>>dv;\r\ni2=dv[0]-'a'+1;\r\nbr[i2]++;\r\nfirst[i2][br[i2]-1]=dv[1]-'a'+1;\r\n}\r\nfor(i=0;i<k;i++){\r\np[i]=a[i]-'a'+1;\r\n}\r\nfor(i=0;i<k;i++){\r\nfor(i2=0;first[p[i]][i2]!=0;i2++){\r\nfor(i3=i+1;i3<k;i3++){\r\nif(first[p[i]][i2]==p[i3]){\r\nsb++;\r\n}\r\n}\r\n}\r\n}\r\ncout<<sb<<endl;\r\nreturn 0;\r\n}\r\n"
p3
tp4
stp5
.