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反素数Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 3548 Accepted Submission(s): 2039 Problem Description反素数就是满足对于任意i(0 2 #include 3 int cmp(int x) 4 { 5 int i,k=0; 6 for(i=1;imax)22 { 23 max=cmp(i);24 ... 阅读全文
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看懂： Max FactorTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 3089 Accepted Submission(s): 985 Problem DescriptionTo improve the organization of his farm, Farmer John labels each of his N (1 #includeconst int MAX=20005;int s[MAX];int main(){ i... 阅读全文
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三足鼎立Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1818 Accepted Submission(s): 988 Problem DescriptionMCA山中人才辈出，洞悉外界战火纷纷，山中各路豪杰决定出山拯救百姓于水火，曾以题数扫全场的威士忌，曾经高数九十九的天外来客，曾以一剑铸十年的亦纷菲，歃血为盟，盘踞全国各个要塞（简称全国赛）遇敌杀敌，遇佛杀佛，终于击退辽军，暂时平定外患，三人位置也处于稳态。可惜辽誓不甘心，辽国征南大. 阅读全文
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壮志难酬Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 6565 Accepted Submission(s): 2151 Problem Description话说MCA山上各路豪杰均出山抗敌，去年曾在江湖威名显赫的，江湖人称的甘露也不甘示弱，“天将降大任于斯人也，必先劳其筋骨，饿其体肤，空乏其身”他说。可惜，由于去年取上将首级时不慎右手右关节第七次骨折，养伤达一年之久，空有一腔抱负却壮志难酬，如今天下危亡，习武之人又怎能袖手旁观，于是. 阅读全文
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两军交锋Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 3263 Accepted Submission(s): 2228 Problem Description话说辽军与MCA相峙多年,终于在一个秋日的早晨爆发了一次大规模的冲突.情况是这样子的,当天上午,由耶律-Pacision领军的辽军忽然带领数万人马浩浩荡荡向MCA山杀来,而这时候驻扎在MCA防守前线的是久经沙场的老将纪哥.纪哥得知这个消息,立刻召集手下精英,前往阻击辽军.现已知辽. 阅读全文
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百步穿杨Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 5423 Accepted Submission(s): 2065 Problem Description时维九月,序属三秋,辽军大举进攻MCA山,战场上两军正交锋.辽军统帅是名噪一时的耶律-James,而MCA方则是派出了传统武将中草药123.双方经过协商,约定在十一月八日正午十分进行射箭对攻战.中草药123早早就开始准备,但是他是武将而不是铁匠,造弓箭的活就交给聪明能干的你了,现. 阅读全文
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点球大战Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1878 Accepted Submission(s): 693 Problem Description在足球比赛中，有不少赛事，例如世界杯淘汰赛和欧洲冠军联赛淘汰赛中，当比赛双方经过正规比赛和加时赛之后仍然不分胜负时，需要进行点球大战来决定谁能够获得最终的胜利。点球大战的规则非常简单，两方轮流派出球员罚点球，每方各罚5个。当5轮点球结束以后如果仍然不分胜负，则进入一轮定胜负的阶段。. 阅读全文
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Lost CowsTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 402 Accepted Submission(s): 203 Problem DescriptionN (2 #define maxn 500004int a[1000000],s[1000000],n;struct node{ int left,right; int num;};node tree[3*maxn];void build(int left,in... 阅读全文
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Tunnel WarfareTime Limit: 4000/2000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3419Accepted Submission(s): 1328Problem DescriptionDuring the War of Resistance Against Japan, tunnel warfare was carried out extensively in the vast areas of north China Plain... 阅读全文
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Encoding The DiaryTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1289Accepted Submission(s): 757Problem DescriptionYou know many girls likes writing diaries,of course they have some secrets don’t want others to know.So this time, they asked you t. 阅读全文