Compilare: user.cpp: In function ‘void Solve()’: user.cpp:57:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( p[l] >= pos[ l ].size() ) ^ user.cpp:66:21: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%d", ans); ^ user.cpp: In function ‘void Set()’: user.cpp:39:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", S1 + 1); ^ user.cpp:40:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", S2 + 1); ^