Compilare: main.cpp:4:0: warning: ignoring #pragma comment [-Wunknown-pragmas] #pragma comment(linker, "/stack:200000000") main.cpp: In function 'void read_buffer()': main.cpp:16:50: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buffer, sizeof(char), BUFFER_SIZE, fin); ^ main.cpp: In function 'int main()': main.cpp:75:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("zimeria.out", "w", stdout); ^