View Compilation Error

0_0_26528509_31999.cpp: In function 'int main()':
0_0_26528509_31999.cpp:6:12: error: conflicting declaration 'char s [100]'
  char s[100];
            ^
0_0_26528509_31999.cpp:5:9: note: previous declaration as 'std::string s'
  string s;
         ^