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15 lines
255 B
C++
15 lines
255 B
C++
#include <math.h>
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#include <stdio.h>
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int main(void)
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{
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int n;
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double x, s;
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while (scanf("%lf%d", &x, &n) != EOF)
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{
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for(s = 0.0; n--; x = sqrt(x))
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s += x;
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printf("%.2lf\n", s);
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}
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return 0;
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}
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