01的世界

Quadtrees A quadtree is a representation format used to encode images. The fundamental idea behind the quadtree is that any image can be split into four quadrants. Each quadrant may agai

题意：字符'['表示句首，就是光标移到了句首，’】‘表示句尾分析：这题看到有人用双端队列，把[加入队首，】加入队尾，再按照队列中的顺序输出#include #include #include #include #include using namespace std;char str[100010];int main(){ // freopen("f.txt","r",

Not soMobile Before being an ubiquous communications gadget, amobile was just a structure made of strings and wiressuspending colourfull things. This kind of mobile is usually foundhanging over crad

572 - Oil DepositsTime limit: 3.000 secondsOil DepositsThe GeoSurvComp geologic survey company is responsible fordetecting underground oil deposits. GeoSurvComp works with onelarge r

题目：点击打开链接题意：求小于n且是13的倍数而且含有'13'.参考这个：点击打开链接#include #include #include #include using namespace std;int bit[15],dp[15][15][3];int dfs(int pos,int mod,int have,int lim){ int num,i,

题目：点击打开链接题意：书上195页有详细解释#include#include#include#include#includeusing namespace std;int cnt ,n , L;char s[1000];int dfs(int cur){ if (cnt++ == n) { for (int i = 0; i < cur; i