Compilare: user.cpp: In function ‘int main()’: user.cpp:11:48: warning: format ‘%s’ expects argument of type ‘char*’, but argument 5 has type ‘char (*)[20007]’ [-Wformat=] scanf("%d %d %d %s %s",&n,&m,&k,&s1+1,&s2+1); ^ user.cpp:11:48: warning: format ‘%s’ expects argument of type ‘char*’, but argument 6 has type ‘char (*)[20007]’ [-Wformat=] user.cpp:8:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("edist.in","r",stdin); ^ user.cpp:9:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("edist.out","w",stdout); ^ user.cpp:11:49: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %s %s",&n,&m,&k,&s1+1,&s2+1); ^