PAT_A1001 A+B Format (20 分)

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最新推荐文章于 2025-04-22 15:22:14 发布

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分类专栏： PAT甲级文章标签： PAT甲级算法

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题目

Calculate a+b and output the sum in standard format – that is, the digits must be separated into groups of three by commas (unless there are less than four digits).
Input Specification:
Each input file contains one test case. Each case contains a pair of integers a and b where $10^6 ≤a,b≤10^6$ .The numbers are separated by a space.
Output Specification:
For each test case, you should output the sum of a and b in one line. The sum must be written in the standard format.
Sample Input:
-1000000 9
Sample Output:
-999,991

源码参考：

#include <cstdio>
#include <iostream>
#include <cmath>
using namespace std;

int main()
{
    int a,b;
    int c;
    scanf("%d%d",&a,&b);
    c=a+b;
    int absc=abs(c);
    if(abs(c)>=1000000)
        printf("%d,%03d,%03d",c/1000000,absc%1000000/1000,absc%1000);
    else if(abs(c)>=1000)
        printf("%d,%03d",c/1000,absc%1000);
    else
        printf("%d",c);
    return 0;
}

源码参考二：

#include <cstdio>
#include <iostream>
#include <cmath>
using namespace std;

int main()
{
    int a,b;
    int c;
    scanf("%d%d",&a,&b);;
    c=a+b;
    int h=0,m=0;
    if(c/1000000!=0)
    {
        h=c/1000000;
        printf("%d,",h);
        c=abs(c%1000000);
    }
    if(c/1000!=0||h!=0)
    {
        m=c/1000;
        if(h!=0)
            printf("%03d,",m);
        else
            printf("%d,",m);
        c=abs(c%1000);
    }
    if(h!=0||m!=0)
        printf("%03d\n",c);
    else
        printf("%d\n",c);
    return 0;
}