0_0_32775349_2580.cpp: In function 'int main()': 0_0_32775349_2580.cpp:38:20: error: expected ')' before ';' token for(int i=2;;i<=n;i++){ ^ 0_0_32775349_2580.cpp:38:21: error: 'i' was not declared in this scope for(int i=2;;i<=n;i++){ ^