View Compilation Error

0_0_6416039_20408.cpp:18: error: expected init-declarator before "int"
0_0_6416039_20408.cpp:18: error: expected `,' or `;' before "int"
0_0_6416039_20408.cpp: In function `int find(long long int)':
0_0_6416039_20408.cpp:23: error: `flag' undeclared (first use this function)
0_0_6416039_20408.cpp:23: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6416039_20408.cpp:23: error: `hash' undeclared (first use this function)
0_0_6416039_20408.cpp: In function `int main()':
0_0_6416039_20408.cpp:34: error: `flag' undeclared (first use this function)
0_0_6416039_20408.cpp:45: error: `hash' undeclared (first use this function)