摘要:
区间和 #include #include #include #include using namespace std; inline int read(){ int num=0,f=1; char c=getchar(); while(!isdigit(c)){if(c=='-') f=-1; c=getchar();} while(isdigit(c))... 阅读全文
posted @ 2017-11-07 07:09
TimDucan
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