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#include <bits/stdc++.h>
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using namespace std;
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// 代码的作用是十进制的n转换成k进制的数字,len为结果的长度
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const int N = 10010;
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int n; // 要转换的10进制数
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int k; // k进制
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int len = 1; // 最少是1位长度,目前转换到的长度
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int d[N]; // 保留结果的数组
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int main() {
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cin >> n >> k;
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//从0开始枚举每小于n的数字,一个个叠加上去
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for (int i = 0; i < n; i++) {
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++d[0]; //将叠加上来的1先放到个位上
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//已有的每一个数位都有可能产生进位,注意从下标从0开始
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for (int j = 0; j < len - 1; j++)
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if (d[j] == k) {
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d[j] = 0;
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d[j + 1] += 1;
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}
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//最高位单独处理
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if (d[len - 1] == k) {
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d[len - 1] = 0;
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d[len] = 1;
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++len;
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}
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}
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//输出k进制的表示法
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for (int i = len - 1; i >= 0; i--) cout << d[i];
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cout << endl;
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return 0;
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}
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