Compilare: user.cpp: In function ‘int main()’: user.cpp:19:23: warning: unused variable ‘rez’ [-Wunused-variable] int n, k, i,sol2, rez, ss=0, r, m, pas; ^ user.cpp:21:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &k); ^ user.cpp:24:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &v[i]); ^ user.cpp:30:25: warning: ‘sol2’ may be used uninitialized in this function [-Wmaybe-uninitialized] sol2 += rest[ss]; ^