Compilare: main.cpp: In function 'void read(int&)': main.cpp:13:23: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses] while(inBuffer[p] < 0x30 | inBuffer[p] > 0x39) ~~~~~~~~~~~~^~~~~~ main.cpp:18:23: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] while(inBuffer[p] > 0x2F & inBuffer[p] < 0x3A) ~~~~~~~~~~~~^~~~~~ main.cpp: In function 'void upd(int, int)': main.cpp:63:27: warning: unused variable 'w' [-Wunused-variable] int b = first[id[a]], w = id[a]; ^ main.cpp: At global scope: main.cpp:7:37: warning: always_inline function might not be inlinable [-Wattributes] __attribute__((always_inline)) void read(int &num) ^~~~ main.cpp: In function 'void read(int&)': main.cpp:15:24: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] ++p != 0x30D40 || (fread(inBuffer, 0x1, 0x30D40, stdin), p = 0x0); ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:22:24: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] ++p != 0x30D40 || (fread(inBuffer, 0x1, 0x30D40, stdin), p = 0x0); ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:69:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("pensula.in", "r", stdin); ^ main.cpp:70:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("pensula.out", "w", stdout); ^