0_0_18345607_1620.cpp: In function 'int main()': 0_0_18345607_1620.cpp:27:3: error: expected ';' before 'for' for(int i = 0; i < n; ++ i) { ^ 0_0_18345607_1620.cpp:27:18: error: 'i' was not declared in this scope for(int i = 0; i < n; ++ i) { ^