题解 | #整型数组合并#

//按要求一步一步来，str长度不对？
#include <stdio.h>
#include <string.h>

int main() {
    int m = 0, n = 0;
    scanf("%d", &m);
    int str1[1000] = {0}, str2[1000] = {0};

    for(int i = 0; i<m; i++)
    {
        scanf("%d", &str1[i]);
    }
    
    scanf("%d", &n);
    for(int i = 0; i<n; i++)
    {
        scanf("%d", &str2[i]);
    }
    int str[2000] = {0};
    for(int i = 0; i<m+n; i++)
    {
        if(i<m)
            str[i] = str1[i];
        else
            str[i] = str2[i-m];
    }
    //int len = strlen(str); //为什么len = 1?
    int temp = 0;
    int i = 0;
    int j = 0;
    for(i = 0; i<m+n; i++)
    {
        for(j = i+1; j<m+n; j++)
        {
            if(str[j] < str[i])
            {
                temp = str[i];
                str[i] = str[j];
                str[j] = temp;
            }
        }
    }
    for(int k = 0; k<m+n; k++)
    {
        if(str[k] != str[k+1])
            printf("%d", str[k]);
    }
    return 0;
}