Compilare: user.cpp: In function ‘int main()’: user.cpp:62:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &q); ^ user.cpp:64:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &s[k]); ^ user.cpp:67:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &v[k][aux]); ^ user.cpp:72:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d", &p, &i, &j); ^ user.cpp: In function ‘int bs()’: user.cpp:34:19: warning: ‘rez’ may be used uninitialized in this function [-Wmaybe-uninitialized] int val, sol, rez; ^