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https://www.cnblogs.com/dx123/p/16782224.html 阅读全文
posted @ 2025-09-28 15:40
katago
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摘要:
输入输出优化 int 快读 int read() { int xr=0,F=1; char cr; while(cr=getchar(),cr<'0'||cr>'9') if(cr=='-') F=-1; while(cr>='0'&&cr<='9') xr=(xr<<3)+(xr<<1)+(cr^ 阅读全文
posted @ 2025-09-28 12:09
katago
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