Compilare: user.cpp: In function ‘int main()’: user.cpp:72:28: warning: unused variable ‘k’ [-Wunused-variable] int ps=1,pi=1,o,o1,k,pas,nr2; ^ user.cpp:48:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d\n",&p); ^ user.cpp:49:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d\n",&n,&m,&t); ^ user.cpp:50:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d %d\n",&l,&c,&k,&s); ^ user.cpp:53:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&v3[i-1],&v3[i]); ^ user.cpp:57:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&a[i][j]); ^ user.cpp:92:84: warning: ‘nr2’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(a[o][o1]==2 && (a[coada[ps].l][coada[ps].c]+1)==maxim) nr2++; ^ user.cpp:99:36: warning: ‘pas’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(g,"%d %d",pas-3,nr2); ^