#include
#include
int main()
{
int i, j;
int k;
int sum1 = 0,sum2 = 0;
double sum3 = 0, sum; //初始化
for(i = 1; i <= 100; i++)
sum1 = sum1 + i;
for(j = 1; j <= 50; j++)
sum2 = sum2 + pow(j,2);
for(k = 1; k <= 10; k++)
sum3 = sum3 + 1.0/k;
sum = sum1 + sum2 + sum3;
printf("sum1 = %d\n",sum1);
printf("sum2 = %d\n",sum2);
printf("sum3 = %f\n",sum3);
printf("sum = %f\n",sum);
return 0;
}
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