Compilare: user.cpp: In function ‘void write()’: user.cpp:42:24: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 2 has type ‘long long int*’ [-Wformat=] printf("%lld", &sol); ^ user.cpp: In function ‘void read()’: user.cpp:10:44: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dreptunghiuri.in", "r", stdin); ^ user.cpp:11:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &m); ^ user.cpp: In function ‘void write()’: user.cpp:41:46: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dreptunghiuri.out", "w", stdout); ^