摘要： 1 https://www.cnblogs.com/linyujun/p/5194184.html a和p互质，a才有关于p的逆元 typedef long long LL;void ex_gcd(LL a, LL b, LL &x, LL &y, LL &d){ if (!b) {d = a, x 阅读全文

摘要： You are given nn strings str1,str2,…,strnstr1,str2,…,strn, each consisting of ( and ). The objective is to determine whether it is possible to permute 阅读全文

摘要： YJJ's Salesman hdu 6447 Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1212 Accepted Submission( 阅读全文

摘要： 1 1 //强制类型转换 2 2 // https://blog.csdn.net/chaipp0607/article/details/54834954 3 4 double x; 5 int y1,y2; 6 scanf("%lf",&x); 7 y1=int(x); 8 y2=int(round(x)); 9 pri... 阅读全文

摘要： 1 // 2018年全国多校算法寒假训练营练习比赛（第三场） 2 // 不凡的夫夫 3 #include <iostream> 4 #include <cstdio> 5 #include <cstring> 6 #include <string> 7 #include <utility> 8 #i 阅读全文

摘要： 1 // Coolest Ski Route 2 #include 3 #include 4 #include 5 #include 6 #include 7 #include 8 #include 9 #include 10 #include 11 #include 12 #include 13 #include 14 typedef long l... 阅读全文

摘要： Battle Royale games are the current trend in video games and Gamers Concealed Punching Circles (GCPC) is the most popular game of them all. The game t 阅读全文

摘要： Do you like number pyramids? Given a number sequence that represents the base, you are usually supposed to build the rest of the "pyramid" bottom-up: 阅读全文

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摘要： Firdaws and Fatinah are living in a country with nn cities, numbered from 11 to nn.Each city has a risk of kidnapping or robbery. Firdaws's home locat 阅读全文