Compilare: main.cpp: In function 'void read(int&)': main.cpp:12:21: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses] while(inBuffer[p] < 0x30 | inBuffer[p] > 0x39) { ~~~~~~~~~~~~^~~~~~ main.cpp:15:21: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] while(inBuffer[p] > 0x2F & inBuffer[p] < 0x3A) { ~~~~~~~~~~~~^~~~~~ main.cpp: In function 'void add(int, ll)': main.cpp:59:25: warning: narrowing conversion of 'val' from 'll {aka long long int}' to 'int' inside { } [-Wnarrowing] s.insert({1, lim, val}); ^ main.cpp: At global scope: main.cpp:8:37: 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:13:20: 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:17:20: 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:95:37: 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:96:39: 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); ^ main.cpp: In function 'void subtask1()': main.cpp:73:7: warning: 'i' may be used uninitialized in this function [-Wmaybe-uninitialized] i = u[i]; ~~^~~~~~