0_0_13127999_18819.cpp: In function 'int main()': 0_0_13127999_18819.cpp:29:27: error: 'l' was not declared in this scope for(int i=l; i>=0; i--) ^ 0_0_13127999_18819.cpp:39:35: error: 'l' was not declared in this scope for(int i=l; i>=0; i--) ^