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Re:求助!!!sos(why wa!)【附代码】In Reply To:求助!!!sos(why wa!)【附代码】 Posted by:chmx at 2008-05-15 10:33:33 #include<stdio.h>
#define M 305
int main()
{
int a[M];
int T,i,ans,n;
int count=1;
a[0]=0;
for(i=1;i<=301;i++)
a[i]=a[i-1]+i;
scanf("%d",&T);
while(T--)
{
scanf("%d",&n);
ans=0;
for(i=1;i<=n;i++)
ans+=i*a[i+1];
printf("%d %d %d\n",count++,n,ans);
}
return 0;
}
/*
4
3
4
5
10
1 3 45
2 4 105
3 5 210
4 10 2145
*/
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