Compilare: main.cpp: In function 'int main()': main.cpp:55:22: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'int64_t {aka long int}' [-Wformat=] printf("%lld",sol); ^ main.cpp: In function 'void inc()': main.cpp:15:31: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(b,1,32000,stdin); ^ main.cpp: In function 'int main()': main.cpp:34:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("deque.in","r",stdin); ^ main.cpp:35:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("deque.out","w",stdout); ^