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#include <stdio.h>
int main(int argc, char* argv[])
{
int sum = 0;
for(int i = 100; i >= 1; --i)
{
sum += i * (101 -i);
}
printf("%d\n", sum);
return 0;
}
int main()
int main()
{
int i, S, Sum;
i = 0;
S = 0;
Sum = 0;
for(i=1;i<=100;i++)
{
S += i;
Sum += S;
}
printf("%d",Sum);
return 0;
}
#include <stdio.h>
void main()
{
int i,j;
long sum=0;
for ( i=1; i<=100; i++)
{
for ( j=1; j<=i; j++)
sum = sum+j;
}
printf("%d\n",sum);
}
int GetSum(n)
{
int sum=0;
for ( int i=1; i<n; ++i )
{
sum += i;
}
return sum;
}
int main()
{
int num;
puts("输入一个数值:");
scanf("%d", &num);
int sum=0;
for ( int i=1; i<=num; ++i )
{
sum += GetSum(i);
}
printf("结果:%d\n", sum);
return 0;
}
#include <stdio.h>
int
main ()
{
int index, jndex;
long int sum = 0;
for (index = 1; index <= 100; index++)
for (jndex = 1; jndex <= index; jndex++)
{
sum += jndex;
}
printf ("The result is:%ld\n", sum);
return 0;
}