Compilare: main.c: In function 'main': main.c:5:2: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("transport.in","r",stdin),freopen("transport.out","w",stdout),scanf("%d%d",&n,&k); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:5:36: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("transport.in","r",stdin),freopen("transport.out","w",stdout),scanf("%d%d",&n,&k); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:5:72: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] freopen("transport.in","r",stdin),freopen("transport.out","w",stdout),scanf("%d%d",&n,&k); ^~~~~~~~~~~~~~~~~~~ main.c:7:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",a+i),s[i]=s[i-1]+a[i],m=m<a[i]?a[i]:m; ^~~~~~~~~~~~~~~