foo.cpp:7:1: error: 'define' does not name a type
 define INF 0x3f3f3f3f define EXP 1e-8 define LL long long define logic(a,b) (strstr((a),(b)) == (a))
 ^
foo.cpp: In function 'int main()':
foo.cpp:14:16: error: 's' was not declared in this scope
     scanf("%s",s[i]);        
                ^
foo.cpp:22:19: error: 's' was not declared in this scope
         if (logic(s[i],s[j])){
                   ^
foo.cpp:22:28: error: 'logic' was not declared in this scope
         if (logic(s[i],s[j])){
                            ^