Compilare: user.cpp: In function ‘void remove(int)’: user.cpp:79:24: warning: integer overflow in expression [-Woverflow] treeval[p] = 100000 * 100000 + 1001; ^ user.cpp: In function ‘int main(int, char**)’: user.cpp:110:19: warning: integer overflow in expression [-Woverflow] X[i] = 100000 * 100000 + 1001; ^ user.cpp:105:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi, "%d", &N); ^ user.cpp:108:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi, "%d", X + i); ^