为啥运行的时候 求不出7天的总和 求解
# include<stdio.h>double main()
{
int k;
double money[7],sum;
printf("请输入7天的价格:");
for(k=1;k<=7;k++)
{
scanf("%lf",&money[k]);
sum+=money[k];
}
printf("%lf",sum);
return 0;
}
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