#include <iostream>
#include <iomanip>
#include <cstdio>
using namespace std;
int main() {
double v = 1.21077;
v *= 100000;
for(int p=0; p<20; ++p)
printf("%d : %.*f\n", p, p, v);
for(int p=0; p<20; ++p)
cout << setw(2) << p << " : " << fixed << setprecision(p) << v << endl;
return 0;
}
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