Compilare: main.cpp: In function 'int cost_transform(std::__cxx11::string, std::__cxx11::string)': main.cpp:15:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=0;i<=7;i++) ^~~ main.cpp:18:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(j=1; j<=7; ++j) ^~~ main.cpp:22:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1; i<=a.length(); ++i) ~^~~~~~~~~~~~ main.cpp:23:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1; j<=b.length(); ++j) ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:29:28: warning: unused variable 'max1' [-Wunused-variable] int n,q,i,k,j,l,x,min1,max1=2; ^~~~