/in/foo.cc: In function 'int main()':
/in/foo.cc:13:19: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[101]' [-Wformat=]
   scanf("%s",&s[i]);
              ~~~~~^
/in/foo.cc:22:20: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[101]' [-Wformat=]
   printf("%s",&s[i]),exit(0);
               ~~~~~^