Compilare: user.cpp: In function ‘int main()’: user.cpp:17:20: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] int i,pas=1<<ct-1; ^ user.cpp:27:18: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] pas=1<<ct-1; ^ user.cpp:10:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&n); ^ user.cpp:20:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&v[i]); ^ user.cpp:23:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&k); ^ user.cpp:26:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d",&intr,&x); ^