PAT：1001. A+B Format (20)（取整取余法） 部分正确

#include<stdio.h>
int main()
{
  int a,b;
  scanf("%d%d",&a,&b);
  int sum=a+b;
  if(sum<0)
  {
    printf("-");
    sum=-sum;
  }
  if(sum>1000000)          //【思维】，两个数字在：-1000000 <= a, b <= 1000000，之和不会超过1000000再加三个0的数量级
    printf("%d,%d,%d",sum/1000000,sum%1000000/1000,sum%1000);
  else if(sum>1000)
    printf("%d,%d",sum/1000,sum%1000);
  else
    printf("%d",sum);
  return 0;
}
时间： 2024-04-26 20:10:13

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