Compilare: user.cpp: In function ‘int main()’: user.cpp:11:15: warning: unused variable ‘k’ [-Wunused-variable] int i,n,q,k,j,c,l,m,pozm,pozl,min1,s,poz2,x; ^ user.cpp:12:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&q); ^ user.cpp:14:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&poz[i]); ^ user.cpp:16:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&mat[i][j]); ^ user.cpp:19:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d%d",&c,&l,&m); ^ user.cpp:48:22: warning: iteration 100u invokes undefined behavior [-Waggressive-loop-optimizations] poz1[i]=1; ^ user.cpp:46:26: note: containing loop for(i=1;i<=101;i++){ ^ user.cpp:61:29: warning: ‘poz2’ may be used uninitialized in this function [-Wmaybe-uninitialized] poz1[poz2]++; ^