13 lines
179 B
C++
13 lines
179 B
C++
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#include <iostream>
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#include <iomanip>
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#include <cmath>
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#include <cstdio>
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using namespace std;
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int main() {
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double a;
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cin >> a;
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printf ("using printf %4.2f\n",a);
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}
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