Compilare: user.cpp: In function ‘int main()’: user.cpp:14:13: warning: unused variable ‘c’ [-Wunused-variable] int n,t,c,i,j,x,k,r,pas; ^ user.cpp:14:17: warning: unused variable ‘j’ [-Wunused-variable] int n,t,c,i,j,x,k,r,pas; ^ user.cpp:15:33: 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:17:34: 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:23:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &k, &x); ^