26 lines
506 B
C
26 lines
506 B
C
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#include <stdio.h>
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#include <math.h>
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int binpow (int n, int pow) {
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static int counter=0;
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if (pow == 0)
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return 1;
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if ( (pow % 2) == 1) // нечетная степень (pow & 1)
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return binpow (n, pow-1) * n;
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else { // четная степень
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int b = binpow (n, pow/2);// pow>>1
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return b * b;
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}
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}
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int main(void)
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{
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int n,p;
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scanf("%d%d", &n,&p);
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printf("n=%d,pow=%d binpow=%d mpow %f\n",n,p,binpow(n,p),pow(n,p));
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return 0;
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}
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