View Compilation Error

0_0_25806291_15079.cpp:47:11: error: '::main' must return 'int'
 void main()
           ^
0_0_25806291_15079.cpp: In function 'int main()':
0_0_25806291_15079.cpp:67:2: error: return-statement with no value, in function returning 'int' [-fpermissive]
  return;
  ^