这是哪里错了 等差数列前n项求和#include main ()int a,d,n,i,sum;{ scanf("%d",&n);a=100;d=-2;sum=0;for(i = 1; i

这是哪里错了 等差数列前n项求和#include main ()int a,d,n,i,sum;{ scanf("%d",&n);a=100;d=-2;sum=0;for(i = 1; i
这是哪里错了 等差数列前n项求和
#include
main ()
int a,d,n,i,sum;
{
scanf("%d",&n);
a=100;
d=-2;
sum=0;
for(i = 1; i

这是哪里错了 等差数列前n项求和#include main ()int a,d,n,i,sum;{ scanf("%d",&n);a=100;d=-2;sum=0;for(i = 1; i
#include
void main ()
{
int a,d,n,i,sum;
scanf("%d",&n);
a=100;
d=-2;
sum=0;
for(i = 1; i