Compilare: main.c: In function 'main': main.c:17:16: warning: spurious trailing '%' in format [-Wformat=] scanf("%",c+i); ^ main.c:17:15: warning: too many arguments for format [-Wformat-extra-args] scanf("%",c+i); ^~~ main.c:14:5: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("arbint.in","r",stdin),freopen("arbint.out","w",stdout),scanf("%d%d",&n,&m); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:14:36: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("arbint.in","r",stdin),freopen("arbint.out","w",stdout),scanf("%d%d",&n,&m); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:14:69: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] freopen("arbint.in","r",stdin),freopen("arbint.out","w",stdout),scanf("%d%d",&n,&m); ^~~~~~~~~~~~~~~~~~~ main.c:17:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%",c+i); ^~~~~~~~~~~~~~ main.c:21:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&q,&a,&b); ^~~~~~~~~~~~~~~~~~~~~~~~