Compilare: user.cpp: In function ‘void solvefirst()’: user.cpp:11:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,maxsol=0; ^ user.cpp: In function ‘int main()’: user.cpp:63:27: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[5005]’ [-Wformat=] scanf("%s\n",&s[i]); ^ user.cpp:57:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^ user.cpp:58:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("interesant.in","r",stdin); ^ user.cpp:59:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("interesant.out","w",stdout); ^ user.cpp:60:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n",&p,&n); ^ user.cpp:63:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n",&s[i]); ^