
编程计算1+(1+2)+(1+2+3)+(1+2+3+4)+...+(1+2+3.+..+n)的值
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#include<stdio.h>
void main()
{
int total,sum;
int i,j,n;
total = 0;
printf("请输入题目中对应的n值: ");
scanf("%d",&n);
for(i = 1 ; i <= n ; i++)
{
sum = 0;
for(j = 1 ; j <= i ; j++)
sum = sum + j;
total = total + sum;
}
printf("表达式的值为: %d\n",total);
}
VC6.0下已正常运行,有问题可以追问!
void main()
{
int total,sum;
int i,j,n;
total = 0;
printf("请输入题目中对应的n值: ");
scanf("%d",&n);
for(i = 1 ; i <= n ; i++)
{
sum = 0;
for(j = 1 ; j <= i ; j++)
sum = sum + j;
total = total + sum;
}
printf("表达式的值为: %d\n",total);
}
VC6.0下已正常运行,有问题可以追问!
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