Compilare: user.cpp: In function ‘int main()’: user.cpp:4:18: warning: variable ‘sum’ set but not used [-Wunused-but-set-variable] int n, smax, sum, max, sc, s, lt, pozc, a, b, i, pozmax, lmax, t, pozs, ls; ^ user.cpp:8:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:17:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &a, &b); ^ user.cpp:39:17: warning: ‘pozc’ may be used uninitialized in this function [-Wmaybe-uninitialized] ls=i-pozc+1; ^