Compilare: user.cpp: In function ‘void read()’: user.cpp:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘int main()’: user.cpp:85: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘intervale querry(int, int, int)’: user.cpp:53: warning: ‘v2.intervale::b’ may be used uninitialized in this function user.cpp:53: warning: ‘v2.intervale::t’ may be used uninitialized in this function user.cpp:53: warning: ‘v2.intervale::i’ may be used uninitialized in this function user.cpp:53: warning: ‘v2.intervale::e’ may be used uninitialized in this function user.cpp:53: warning: ‘v3.intervale::t’ may be used uninitialized in this function user.cpp:53: warning: ‘v3.intervale::b’ may be used uninitialized in this function user.cpp:53: warning: ‘v3.intervale::i’ may be used uninitialized in this function user.cpp:53: warning: ‘v3.intervale::e’ may be used uninitialized in this function