View Compilation Error

0_0_26539714_11787.cpp:49:13: error: redefinition of 'int f [100000]'
 int f[100000];
             ^
0_0_26539714_11787.cpp:7:5: note: 'int f [100000]' previously declared here
 int f[100000];
     ^
0_0_26539714_11787.cpp: In function 'int main()':
0_0_26539714_11787.cpp:51:5: error: redefinition of 'int main()'
 int main()
     ^
0_0_26539714_11787.cpp:9:5: note: 'int main()' previously defined here
 int main()
     ^