15 lines
297 B
C
15 lines
297 B
C
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#include<stdio.h>
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#include<math.h>
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#include<windows.h>
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int main(void)
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{
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int i,n;
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double factorial;
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printf("please input the number");
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scanf("%d",&n);
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factorial=1;
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for(i=1;i<=n;i++)
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factorial=factorial*i;
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printf("%d!= %.0f\n",n,factorial);
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system("pause");
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}
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