Compilare: user.c: In function ‘main’: user.c:38:9: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%d\n",(power[x]-ciur[x]+(long long)MOD*10000)%MOD); ^ user.c:23:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("cntper.in","r",stdin); ^ user.c:24:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("cntper.out","w",stdout); ^