Sicily 1014. Specialized Four-Dig
2013-12-05 18:37
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题目大意:判断一个四位数十进制数,各位之和与转化为12,16进制数后各位之和是否相等。相等则输出这个数。
解题思路:考察进制转化,只需求和即可。不需输出转化后的数。当然也可以打表。
解题思路:考察进制转化,只需求和即可。不需输出转化后的数。当然也可以打表。
// 1014. Specialized Four-Dig #include <iostream> using namespace std; // 进制转换,只需要求和即可 int toBase(int num,int base){ int sum = 0; while( num / base ){ sum += num % base; num = num / base; } sum += num; return sum; } int main () { //freopen("D:\\input.txt","r",stdin); for( int i = 1000; i < 10000; ++i ){ if( toBase(i,10) == toBase(i,12) && toBase(i,10) == toBase(i,16) ) cout << i << endl; } return 0; }
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