Compilare: main.c: In function 'main': main.c:36:28: warning: unused variable 'C1' [-Wunused-variable] int p,n,m,T,L,C,k,i,j,L1,C1,counter=0,S; ^~ main.c:36:25: warning: unused variable 'L1' [-Wunused-variable] int p,n,m,T,L,C,k,i,j,L1,C1,counter=0,S; ^~ main.c:37:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d%d%d%d%d%d%d",&p,&n,&m,&T,&L,&C,&k,&S); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:39:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&v[i].linie,&v[i].col); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:43:7: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&mat[i][j]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~