View Compilation Error

0_0_14983232_12004.cpp:18:15: error: conflicting declaration 'int g [105][105]'
 int g[105][105];
               ^
0_0_14983232_12004.cpp:11:13: note: previous declaration as 'std::vector<int> g [1100]'
 vector<int> g[M];
             ^
0_0_14983232_12004.cpp: In function 'int main()':
0_0_14983232_12004.cpp:25:31: error: 'memest' was not declared in this scope
         memest(g, 0, sizeof(g));
                               ^