View Compilation Error

0_0_17874019_1790.cpp: In function 'int main()':
0_0_17874019_1790.cpp:17:25: error: expected ')' before ';' token
  for(int i=1;i<=n;i=i<<1;){
                         ^
0_0_17874019_1790.cpp:17:26: error: expected primary-expression before ')' token
  for(int i=1;i<=n;i=i<<1;){
                          ^