Compilare: user.cpp: In function ‘int IsInArray(int)’: user.cpp:12:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v1 < x && x <= v2) ^ user.cpp:12:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v1 < x && x <= v2) ^ user.cpp: In function ‘int main()’: user.cpp:55:44: warning: format ‘%llu’ expects argument of type ‘long long unsigned int’, but argument 3 has type ‘clock_t {aka long int}’ [-Wformat=] fprintf(fout, "%llu\n", clock() - begin); ^ user.cpp: In function ‘int RespectsCondition(long long unsigned int, int, int)’: user.cpp:31:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:40:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &T); ^ user.cpp:44:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &n, &r); ^