用三种循环结构实现下列表达式计算;s=1*1+2*2+3*3+......+100*100。用C语言编写程序应该怎么做???

Question

如题所述

Answer 1

#include<stdio.h>
int main()
{
int i,sum;
for(i=1,sum=0;i<=100;i++)
{
sum=i*i+sum;
}
printf("%d\n",sum);
return 0;
}

Answer 2

#include<stdio.h>
int main()
{
int sum=0;
for(int i=1;i<=100;i++)
sum+=i*i;
printf("%d",sum);
return 0;
}
______________________
#include<stdio.h>
int main()
{
int sum=0,i=1;
while(i<=100)
{
sum+=i*i;
i++;
}
printf("%d",sum);
return 0;
}
_________________
#include<stdio.h>
int main()
{
int sum=0,i=1;
do{
sum+=i*i;
i++;
}while(i<=100);
printf("%d",sum);
return 0;
}本回答被网友采纳