hduoj1001(Sum Problem)
2014-07-22 20:46
363 查看
#include<stdio.h>
int main()
{
int i,n,sum;
while(scanf("%d",&n)!=EOF)
{
sum=0;
for(i=1;i<=n;i++)
{
sum+=i;
}
printf("%d\n\n",sum);
}
return 0;
}
int main()
{
int i,n,sum;
while(scanf("%d",&n)!=EOF)
{
sum=0;
for(i=1;i<=n;i++)
{
sum+=i;
}
printf("%d\n\n",sum);
}
return 0;
}
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