Compilare: main.c: In function 'main': main.c:6:5: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("bursa.in","r",stdin),freopen("bursa.out","w",stdout),scanf("%d%lld",&n,&t),s=t; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:6:35: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("bursa.in","r",stdin),freopen("bursa.out","w",stdout),scanf("%d%lld",&n,&t),s=t; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:6:67: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] freopen("bursa.in","r",stdin),freopen("bursa.out","w",stdout),scanf("%d%lld",&n,&t),s=t; ^~~~~~~~~~~~~~~~~~~~~ main.c:8:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",p+i); ^~~~~~~~~~~~~~~~~