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In the wilds far beyond lies the Land of Sacredness, which can be viewed as a tree — connected undirected graph consisting of nn nodes and n−1n−1 edge 阅读全文
posted @ 2020-04-16 23:33
XXXSANS
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#include<iostream> #include<cstdlib> usingnamespace std; int main() { cout<<"b"; system("PAUSE"); return 0; } 为什么程序没有结束，也没有用endl,flush刷新缓冲区，b照样能输出呢？ c 阅读全文
posted @ 2020-04-16 17:17
XXXSANS
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This is an interactive problem. Yui is a girl who enjoys playing Mahjong. She has a mysterious set which consists of tiles (this set can be empty). Ea 阅读全文
posted @ 2020-04-16 16:25
XXXSANS
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发现typedef long long ll; 也可以写成using ll=long long; 类比就还有 using pi=pair<int,int>; using vi=vc<int>; using uint=unsigned; using ull=unsigned long long; c+ 阅读全文
posted @ 2020-04-16 16:22
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Kaavi, the mysterious fortune teller, deeply believes that one's fate is inevitable and unavoidable. Of course, she makes her living by predicting oth 阅读全文
posted @ 2020-04-16 15:32
XXXSANS
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语言是没有优劣之分的，只是特性不同，但使用他们的人是有优劣（我）之分的。 ——鲁迅（误 什么时候我也去学学传说中的lisp ○|￣|_ 阅读全文
posted @ 2020-04-16 14:56
XXXSANS
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在C++ 98 中，auto 的作用是让变量成为自动变量（拥有自动的生命周期），但是该作用是多余的，变量默认拥有自动的生命周期，在C++ 11 中，已经删除了该用法，取而代之的作用是：自动推断变量的类型。 0.代替冗长复杂，变量使用范围专一的变量声明 std::vector<std::string> 阅读全文
posted @ 2020-04-16 14:39
XXXSANS
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1 int read() { char c=getchar();while(!isdigit(c)) c=getchar(); int num=0;while(isdigit(c)) num=num*10+c-'0',c=getchar(); return num; } inline int rea 阅读全文
posted @ 2020-04-16 14:18
XXXSANS
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Xenia is a girl being born a noble. Due to the inflexibility and harshness of her family, Xenia has to find some ways to amuse herself. snoop dooogg~~ 阅读全文
posted @ 2020-04-16 13:58
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Writing light novels is the most important thing in Linova's life. Last night, Linova dreamed about a fantastic kingdom. She began to write a light no 阅读全文
posted @ 2020-04-16 09:13
XXXSANS
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