45 lines
615 B
Plaintext
45 lines
615 B
Plaintext
float i_buf[10000000];
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float o_buf[10000000];
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float newtons_sqrt(float n) {
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const float prec = 0.0000000001;
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if (n <= 0) {
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return 0;
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}
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float x = n;
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float r = (n + 1) * 0.5;
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float d;
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if (x < r) {
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d = r - x;
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} else {
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d = x - r;
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}
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while (d > prec) {
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r = (x + n / x) * 0.5;
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if (x < r) {
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d = r - x;
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} else {
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d = x - r;
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}
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x = r;
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}
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return r;
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}
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int main() {
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int n = getfarray(i_buf);
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starttime();
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int i = 0;
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while (i < n) {
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o_buf[i] = newtons_sqrt(i_buf[i]);
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i = i + 1;
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}
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stoptime();
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putfarray(n, o_buf);
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return 0;
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} |