摘要：
``` #include #define ll long long #define R register template void rea(T &x) { int f(0);char ch=getchar();x = 0; while(!isdigit(ch)){f|=ch=='-';ch=getchar();} while(isdigit(ch)){x=(x>1; i >1; i >1; i 阅读全文
posted @ 2020-03-14 22:30
Chopsticks
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