Compilare: main.cpp: In function 'int main()': main.cpp:18:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<strlen(s)-1) ~^~~~~~~~~~~~ main.cpp:52:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(l>lmax) ^~ main.cpp:54:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' ofstream g("charlie.out"); ^~~~~~~~ main.cpp:17:32: warning: unused variable 'in' [-Wunused-variable] int i=0,t=1,l=1,lmax=2,in=-1; ^~ main.cpp:64:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<strlen(s)) ~^~~~~~~~~~ main.cpp:79:18: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] st[vf+1]=NULL; ^~~~ main.cpp:60:13: warning: unused variable 'ok' [-Wunused-variable] int ok=1,i=0,t,sum=0,vf; ^~ main.cpp:60:22: warning: unused variable 't' [-Wunused-variable] int ok=1,i=0,t,sum=0,vf; ^