题解 | #牛牛学数列4#
牛牛学数列4
https://www.nowcoder.com/practice/586b114f52034688879342ba45779081
#include <stdio.h>
int dn(int num)
{
int i;
int result=0;
for(i = 1;i<=num;i++)
{
result += i;
}
return result;
}
int main()
{
int num;
int Result=0;
int j;
scanf("%d",&num);
for(j = 1;j<=num;j++)
{
int Dn = dn(j);
Result += Dn;
}
printf("%d",Result);
return 0;
}
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