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("gardieni.in","r",stdin),freopen("gardieni.out","w",stdout),scanf("%d%d",&n,&t); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:6:38: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("gardieni.in","r",stdin),freopen("gardieni.out","w",stdout),scanf("%d%d",&n,&t); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:6:73: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] freopen("gardieni.in","r",stdin),freopen("gardieni.out","w",stdout),scanf("%d%d",&n,&t); ^~~~~~~~~~~~~~~~~~~ main.c:8:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",a+i,b+i,c+i); ^~~~~~~~~~~~~~~~~~~~~~~~~~~