{"id":411,"date":"2022-10-06T20:57:17","date_gmt":"2022-10-06T12:57:17","guid":{"rendered":"https:\/\/blog.cirno.fun\/?p=411"},"modified":"2024-09-12T09:30:41","modified_gmt":"2024-09-12T01:30:41","slug":"%e5%bf%ab%e8%af%bb%e4%bc%98%e5%8c%96%e6%a8%a1%e6%9d%bf","status":"publish","type":"post","link":"https:\/\/blog.sssn.tech\/?p=411","title":{"rendered":"\u5feb\u8bfb\u4f18\u5316\u6a21\u677f"},"content":{"rendered":"

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int read() {\n    int X=0,w=1;\/\/w\u7528\u6765\u63a7\u5236\u6b63\u8d1f\u6570\n    char c=getchar();\/\/\u8fd9\u91cc\u5148\u8bfb\u4e00\u4e2a\u5b57\u7b26\n    while(c<'0'||c>'9'){\/\/\u8df3\u8fc7\u6240\u6709\u4e0d\u4e3a\u6570\u5b57\u7684\u5b57\u7b26\n        if (c=='-') w=-1;\/\/\u5982\u679c\u8bfb\u5230\u8d1f\u53f7\uff0cw\u6539\u53d8\n        c=getchar();\n    }\n    while(c>='0'&&c<='9')\n        \/*\n        \u8fd9\u91cc\u662fx=x*10+c-'0'\n        x*10=x*2+x*8\uff0c\u7528\u4f4d\u8fd0\u7b97\u518d\u6b21\u4f18\u5316\u6548\u7387\n        *\/\n        X=(X<<3)+(X<<1)+c-'0',\n        c=getchar();\n    return X*w;\n}<\/code><\/pre>\n
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int read(){\n    int X=0,w=1;char c=getchar();\n    while(c<'0'||c>'9')\n        {if (c=='-') w=-1;c=getchar();}\n    while(c>='0'&&c<='9')X=(X<<3)+(X<<1)+c-'0',c=getchar();\n    return X*w;\n}\n<\/code><\/pre>\n
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int read(){\n    int x=0,k=1;char ch=getchar();\n    while(ch<'0' || ch>'9'){\n        if(ch=='-')k=-1;\n        ch=getchar();\n    }\n    while(ch>='0' && ch<='9'){\n        x=(x<<3)+(x<<1)+(ch^'0');\n        ch=getchar();\n    }\n    return x*k;\n}<\/code><\/pre>\n
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