View Compilation Error

0_0_31759709_11657.cpp: In function 'void run(int)':
0_0_31759709_11657.cpp:18:9: error: redeclaration of 'int i'
     int i=1;
         ^
0_0_31759709_11657.cpp:17:9: note: 'int i' previously declared here
     int i;
         ^
0_0_31759709_11657.cpp: In function 'int main()':
0_0_31759709_11657.cpp:50:19: error: expected ')' before ';' token
         while(i<=n;)
                   ^
0_0_31759709_11657.cpp:50:20: error: expected primary-expression before ')' token
         while(i<=n;)
                    ^
0_0_31759709_11657.cpp:56:19: error: expected ')' before ';' token
         while(i<=n;)
                   ^
0_0_31759709_11657.cpp:56:20: error: expected primary-expression before ')' token
         while(i<=n;)
                    ^