View Compilation Error

0_0_25638139_9054.cpp: In function 'int main()':
0_0_25638139_9054.cpp:35:9: error: redeclaration of 'int g'
  int s, g = 1;
         ^
0_0_25638139_9054.cpp:20:15: note: 'int g' previously declared here
  int l, n, m, g = 1;
               ^
0_0_25638139_9054.cpp:39:10: error: 'x' was not declared in this scope
   cin >> x;
          ^