View Compilation Error

0_0_17020990_486.cpp:3:1: error: '__int16_t' does not name a type
 __int16_t gd[16385][16385];
 ^
0_0_17020990_486.cpp: In function 'int main()':
0_0_17020990_486.cpp:20:20: error: 'gd' was not declared in this scope
                 if(gd[aa][bb]) ans+=gd[aa][bb];//ans+=g[p];
                    ^