随笔分类 - 构造
摘要:注意是正的偶数。。不包括零还有n=2的时候应该横着放#include #include using namespace std;void dfs(int n){ if(n == 1){ printf("1 1\n"); return; } else if...
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摘要:Little X used to play a card game called "24 Game", but recently he has found it too easy. So he invented a new game.Initially you have a sequence ofn...
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