Compilare: main.cpp: In function 'void Solve()': main.cpp:183:34: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=] printf("%I64d\n", ans); ^ main.cpp: In function 'void Read()': main.cpp:137:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("maxq.in", "r", stdin); ^ main.cpp:138:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("maxq.out", "w", stdout); ^ main.cpp: In function 'char C()': main.cpp:24:37: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, BSIZE, stdin); ^