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29 lines
714 B
29 lines
714 B
#include<iostream>
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#include<vector>
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#include<algorithm>
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using namespace std;
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vector<int> div(vector<int> &A, int b, int &r) {
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vector<int> C;
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for (int i = A.size() - 1; i >= 0; i--) { //注意这个是从高位开始
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r = r * 10 + A[i];
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C.push_back(r / b);
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r %= b;
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}
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reverse(C.begin(), C.end());
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while (C.size() > 1 && C.back() == 0) C.pop_back();
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return C;
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}
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int main() {
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string a;
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int b, r = 0;
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cin >> a >> b;
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vector<int> A, C;
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for (int i = a.size() - 1; i >= 0; i--)A.push_back(a[i] - '0');
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C = div(A, b, r);
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for (int i = C.size() - 1; i >= 0; i--)printf("%d", C[i]);
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printf("\n%d", r);
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return 0;
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} |