static inline int Rint() {
struct X{
int dig[256];
X() {
rep(i,'0','9'){
dig[i]=1;dig['-']=1;
}
}
};
static X fuck;
int s=1,v=0,c;
for(;!fuck.dig[c=getchar()];);
if(c=='-') s=0;
else if(fuck.dig[c]) v=c^48;
for(;fuck.dig[c=getchar()];v=v*10+(c^48));
return s?v:-v;
}
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最新推荐文章于 2018-09-02 00:44:28 发布