Main.cc: In function ‘int main()’: Main.cc:12:4: error: ‘prime’ was not declared in this scope prime [++ n] = i ; ^~~~~ Main.cc:12:4: note: suggested alternative: ‘prm’ prime [++ n] = i ; ^~~~~ prm Main.cc:22:17: error: ‘prime’ was not declared in this scope for ( int j = prime [i] ; j <= m ; j ++ ) ^~~~~ Main.cc:22:17: note: suggested alternative: ‘prm’ for ( int j = prime [i] ; j <= m ; j ++ ) ^~~~~ prm