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DescriptionThe cows have been sent on a mission through space to acquire a new milking machine for their barn. They are flying through a cluster of st... 阅读全文
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DescriptionLacking even a fifth grade education, the cows are having trouble with a fraction problem from their textbook. Please help them. The proble... 阅读全文
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DescriptionThe best part of the day for Farmer John's cows is when the sun sets. They can see the skyline of the distant city. Bessie wonders how many... 阅读全文
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Description约翰想要计算他那N(1≤N≤1000)只奶牛的名字的能量．每只奶牛的名字由不超过1000个字待构成，没有一个名字是空字体串，约翰有一张“能量字符串表”，上面有M(1≤M≤100)个代表能量的字符串．每个字符串由不超过30个字体构成，同样不存在空字符串．一个奶牛的名字蕴含多少个能... 阅读全文
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DescriptionInput只有一行一个整数 N（0 int n,s;int main(){ scanf("%d",&n); for (int i=1;i<=n;i++) s+=n/i; printf("%d",s);} 阅读全文