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OI-codes/Luogu/B2024/B2024.cpp

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2022-03-17 11:45:08 +00:00
#include <cstdio>
double x;
int main() {
scanf("%lf", &x);
printf(
"%f\n"
"%.5f\n"
"%e\n"
"%g\n",
x, x, x, x);
return 0;
}