Compilare: main.cpp: In function 'int main()': main.cpp:11:13: warning: unused variable 'l' [-Wunused-variable] int n,i,l,st,dr,maxx=1,mij; ^ main.cpp:13:23: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(si,"%d",&n); ^ main.cpp:16:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(si,"%d",&v[i]); ^