Compilare: main.cpp: In function 'int main()': main.cpp:23:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(L>strlen(s[i].v)) L=strlen(s[i].v); ~^~~~~~~~~~~~~~~ main.cpp:15:21: warning: unused variable 'k' [-Wunused-variable] int n,lg,i,fl,j,k,L,pas; ^ main.cpp:16:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("subsecvente2.in","r",stdin); ^ main.cpp:17:43: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("subsecvente2.out","w",stdout); ^ main.cpp:18:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:22:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n",s[i].v); ^