View Compilation Error

0_0_36702760_11453.cpp: In function 'int main()':
0_0_36702760_11453.cpp:102:5: error: redefinition of 'int main()'
 int main()
     ^
0_0_36702760_11453.cpp:3:5: note: 'int main()' previously defined here
 int main()
     ^
0_0_36702760_11453.cpp: At global scope:
0_0_36702760_11453.cpp:153:14: error: redefinition of 'int a [10001]'
 int a[10000+1];
              ^
0_0_36702760_11453.cpp:101:5: note: 'int a [10001]' previously declared here
 int a[10000+1];
     ^
0_0_36702760_11453.cpp: In function 'int main()':
0_0_36702760_11453.cpp:154:5: error: redefinition of 'int main()'
 int main()
     ^
0_0_36702760_11453.cpp:3:5: note: 'int main()' previously defined here
 int main()
     ^