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Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
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#include <bits/stdc++.h>
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using namespace std;
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int main() {
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string num;
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cin >> num;
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if (num[0] == '-') cout << '-', num = num.substr(1);
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reverse(num.begin(), num.end());
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while (num.size() > 1 && num[0] == '0') num = num.substr(1);
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cout << num << endl;
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return 0;
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} |
