有時(shí)候失去的總比得到的多！
Description
The Double Seventh Festival, on the 7th day of the 7th lunar month, is a traditional festival full of romance. On that day, the God of the Love came to the digital kingdom, and annunciated to the people:
Notification
Do you want to know who is your fere? You can find him or her by this means:
Please add all the factors of your ID-Card-Number, and you can find this is your fere's
ID-Card-Number.
The factors of a numer N is the numbers,they being small than the number N ,and can being divided exactly by the number N.
For example, the number 12 has the factors, such as 1,2,3,4,6.
Input
The fist line is the number T (1 <= T <= 500000), indicated the number of the test cases.
The next T lines, each line has one integer N( 1 <= N <= 500000), meaning the ID-Card-Number.
Output
For each test case, you should output the fere's ID-Card-Number on a line.
Sample Input
3
2
10
20
Sample Output
1
8
22
這個(gè)題目在我剛開(kāi)始接觸ACM的時(shí)候做出來(lái)最有成就的一個(gè)！求各因子之和！
代碼如下：
#include<cstdio>
int main()
{
int i,j,n,m,sum;
scanf("%d",&n);
for(i=0;i<n;i++)
{
sum=0;
scanf("%d",&m);
for(j=1;j*j<=m;j++)
{
if(m%j==0)
{
sum=sum+j+m/j;
}
if(j*j==m)
sum-=j;
}
printf("%d\n",sum-m);
}
return 0;
}
posted on 2010-09-06 09:34
jince 閱讀(1060)
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