27 lines
460 B
C++
27 lines
460 B
C++
#include <bits/stdc++.h>
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using namespace std;
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/*
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2
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8 1362
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16 3F0
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*/
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int main() {
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int T;
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cin >> T;
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while (T--) {
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int k;
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string s;
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int res = 0;
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cin >> k >> s; // k进制，s是k进制的一个数
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for (int i = 0; i < s.size(); i++) {
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int x = 0;
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if (s[i] >= 'A')
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x = s[i] - 'A' + 10;
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else
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x = s[i] - '0';
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res = res * k + x;
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}
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cout << res << endl;
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}
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return 0;
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} |