Compilare: user.cpp: In function ‘void get45p()’: user.cpp:85:13: warning: unused variable ‘prv’ [-Wunused-variable] int prv = 0, j = 1; ^ user.cpp: In function ‘int main()’: user.cpp:113:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ user.cpp:116:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^ user.cpp:121:46: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &Q[0][i].l, &Q[0][i].r); ^