Compilare: user.cpp: In function ‘int main()’: user.cpp:22:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(strlen(v[i].s)>mxx) ~~~~~~~~~~~~~~^~~~ user.cpp:24:16: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(int l=1;l<=cnt;l++) ^~~ user.cpp:26:17: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ mxx=strlen(v[i].s); ^~~ user.cpp:30:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(strlen(v[i].s)==mxx) ~~~~~~~~~~~~~~^~~~~