Compilare: main.cpp: In function 'int main()': main.cpp:15:11: warning: unused variable 'x' [-Wunused-variable] int n,x,sol=1,stsp=0,cmin=0,ss=0,ok=1; ^ main.cpp:16:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ main.cpp:19:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i]); ^