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A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 1234321 is a palindromic number... 阅读全文
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Notice that the number 123456789 is a 9-digit number consisting exactly the numbers from 1 to 9, with no duplication. Double it we will obtain 2469135... 阅读全文
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本题要求计算A/B，其中A是不超过1000位的正整数，B是1位正整数。你需要输出商数Q和余数R，使得A = B * Q + R成立。输入格式：输入在1行中依次给出A和B，中间以1空格分隔。输出格式：在1行中依次输出Q和R，中间以1空格分隔。输入样例：123456789050987654321 7输出... 阅读全文
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Given any positive integer N, you are supposed to find all of its prime factors, and write them in the format N = p1^k1* p2^k2*…*pm^km.Input Specifica... 阅读全文
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令Pi表示第i个素数。现任给两个正整数M 2 #include 3 #include 4 #include 5 #include 6 #include 7 #include 8 using namespace std; 9 10 11 const int maxn=1000000;12... 阅读全文