JavaÑ­»·Á·Ï°£ºÇó1+(1*2)+(1

package?practiceGO;
/*
?*?3.Çó1+(1*2)+(1*2*3)+(1*2*3*4)+(1*2*3*4*5)µÄºÍ
?*/
public?class?Cto?{

	public?static?void?main(String[]?args)?{
		int?sum?=?0;
		for(int?i=0;?i<5;?i++){
			int?adds?=?1;
			for(int?j=0;?j<(i+1);?j++){
				adds?*=?(j+1);?
			}
			sum?+=?adds;
		}
		System.out.println(sum);
	}
}

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