View Compilation Error

0_0_2930499_30232.cpp:44: error: redefinition of `int n'
0_0_2930499_30232.cpp:3: error: `int n' previously declared here
0_0_2930499_30232.cpp:44: error: redefinition of `int a[100005]'
0_0_2930499_30232.cpp:3: error: `int a[100005]' previously declared here
0_0_2930499_30232.cpp:44: error: redefinition of `int pre[100005]'
0_0_2930499_30232.cpp:3: error: `int pre[100005]' previously declared here
0_0_2930499_30232.cpp:44: error: redefinition of `int next[100005]'
0_0_2930499_30232.cpp:3: error: `int next[100005]' previously declared here
0_0_2930499_30232.cpp:45: error: redefinition of `long long int tem_max'
0_0_2930499_30232.cpp:4: error: `long long int tem_max' previously declared here
0_0_2930499_30232.cpp: In function `int main()':
0_0_2930499_30232.cpp:47: error: redefinition of `int main()'
0_0_2930499_30232.cpp:6: error: `int main()' previously defined here