快读

整数

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``` int read() { int x=0,f=1; char ch=getchar(); while(ch<'0'||ch>'9') { if(ch=='-') f=-1; ch=getchar(); } while(ch>='0' && ch<='9') x=x*10+ch-'0',ch=getchar(); return x*f; ```

字符串

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inline string sread()
{
    char ch = getchar();
    string st1 = "";
    while (!((ch >= 'a') && (ch <= 'z')))
        ch = getchar();
    while ((ch >= 'a') && (ch <= 'z'))
        st1 += ch, ch = getchar();
    return st1;
}