Compilare: main.c: In function 'main': main.c:5:5: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("pusculita.in","r",stdin),freopen("pusculita.out","w",stdout),scanf("%d%d",&s,&n); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:5:39: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("pusculita.in","r",stdin),freopen("pusculita.out","w",stdout),scanf("%d%d",&s,&n); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:5:75: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] freopen("pusculita.in","r",stdin),freopen("pusculita.out","w",stdout),scanf("%d%d",&s,&n); ^~~~~~~~~~~~~~~~~~~ main.c:7:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",w+i,v+i); ^~~~~~~~~~~~~~~~~~~~~