Eroare de compilare: user.c: In function ‘P’: user.c:3:102: error: expected ‘)’ before ‘;’ token long long P(long long x,long long n) { return !n?1:(n%2?x*P(x,(n-1)/2)*P(x,(n-1)/2):P(x,n/2)*P(x,n/2); } ^ user.c:3:104: error: expected ‘;’ before ‘}’ token long long P(long long x,long long n) { return !n?1:(n%2?x*P(x,(n-1)/2)*P(x,(n-1)/2):P(x,n/2)*P(x,n/2); } ^ user.c: In function ‘main’: user.c:5:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("shop.in","r",stdin),freopen("shop.out","w",stdout),scanf("%lld%lld%lld",&n,&c,&l); ^ user.c:5:41: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("shop.in","r",stdin),freopen("shop.out","w",stdout),scanf("%lld%lld%lld",&n,&c,&l); ^ user.c:5:70: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] freopen("shop.in","r",stdin),freopen("shop.out","w",stdout),scanf("%lld%lld%lld",&n,&c,&l); ^ user.c:7:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld",a+i,b+i); ^