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20 lines
317 B
C++
20 lines
317 B
C++
#include <bits/stdc++.h>
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using namespace std;
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long long t, n, m, ans;
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int main() {
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cin >> t;
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while (t--) {
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ans = m = 0;
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cin >> n;
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while (n) {
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ans += (n % 10 - (n % 10 > 7)) * pow(9, m++);
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n /= 10;
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}
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cout << ans << endl;
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}
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return 0;
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}
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