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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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int a = 123;
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int ans = 0;
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while (a) {
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ans = ans * 10 + a % 10;
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a /= 10;
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}
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printf("%d", ans);
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// //数位分离办法
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// while (a) {
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// int b = a % 10;
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// a /= 10;
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// printf("%d", b);
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// }
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// printf("\n");
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return 0;
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} |
