Compilare: user.cpp: In function ‘int main()’: user.cpp:10:39: warning: unused variable ‘j’ [-Wunused-variable] int n, t, i, nr, suma, st, dr, mij, j; ^ user.cpp:14:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &t); ^ user.cpp:15:49: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(i = 0; i < n; i++)fscanf(fin, "%d", &v[i]); ^ user.cpp:20:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &nr, &suma); ^ user.cpp:33:33: warning: ‘mij’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(fout, "%d\n", mij - nr + 1); ^