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A Count Task Problem Description Count is one of WNJXYK’s favorite tasks. Recently, he had a very long string and he wondered that how many substrings 阅读全文
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N皇后Problem Description 在N N的方格棋盘放置了N个皇后,使得它们不相互攻击(即任意2个皇后不允许处在同一排,同一列,也不允许处在与棋盘边框成45角的斜线上。 你的任务是,对于给定的N,求出有多少种合法的放置方法。 Input 共有若干行,每行一个正整数N≤10,表示棋盘和皇后 阅读全文
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Problem Description Give you two numbers A and B, if A is equal to B, you should print "YES", or print "NO". Input each test case contains two numbers 阅读全文
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静态变量static,只进行一次初始化。 include include using namespace std; int main() { for(int i=0;i include int main() { char str[ ]="This , a sample string OK." cha 阅读全文
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hide handkerchief Problem Description The Children’s Day has passed for some days .Has you remembered something happened at your childhood? I remember 阅读全文
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测试程序 char strchr(const char str,int c); strncpy(char s1[a],char s2[b],n) strncat(const char s1[a],char s2[b],n); char strstr(const char str,const char 阅读全文
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D Aggressive cows 农夫 John 建造了一座很长的畜栏,它包括N (2 Input 有多组测试数据,以EOF结束。 第一行:空格分隔的两个整数N和C 第二行——第N+1行:分别指出了xi的位置 Output 每组测试数据输出一个整数,满足题意的最大的最小值,注意换行。 Sample 阅读全文
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C Lucky 7 in the Pocket BaoBao loves number 7 but hates number 4, so he refers to an integer as a "lucky integer" if is divisible by 7 but not divisib 阅读全文
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深度搜索:Oil Deposits GeoSurvComp地质调查公司负责探测地下石油储藏。 GeoSurvComp现在在一块矩形区域探测石油,并把这个大区域分成了很多小块。他们通过专业设备,来分析每个小块中是否蕴藏石油。如果这些蕴藏石油的小方格相邻,那么他们被认为是同一油藏的一部分。在这块矩形区域 阅读全文
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B Maximal Continuous Rest Each day in Berland consists of n hours. Polycarp likes time management. That's why he has a fixed schedule for each day — i 阅读全文