View Compilation Error

0_0_35616029_12249.cpp: In function 'int main()':
0_0_35616029_12249.cpp:53:9: error: expected ';' before 'for'
         for(int i = 1; i < n; ++i)
         ^
0_0_35616029_12249.cpp:53:24: error: 'i' was not declared in this scope
         for(int i = 1; i < n; ++i)
                        ^
0_0_35616029_12249.cpp:59:25: error: 'pro0_aver' was not declared in this scope
         printf("%.2lf", pro0_aver[0]);
                         ^