c语言冒泡排序

#include
main(void)
{
        int N,i,j;
        int num[100];
        int tempArray;
        printf("--------------------------------");
        printf("\n");
        printf("please input a Interger:");
        printf("\n");
        scanf("%d",&N);
        printf("--------------------------------");
        printf("\n");
        printf("%d",N);
        printf("please input some numbers:");
        printf("\n");
        for(i=0;i
        {
                scanf("%d",&num[i]);
        }
        printf("--------------------------------");
        printf("\n");
        for(i=0;i
                scanf("%d",&num[i]);
        }
        printf("--------------------------------");
        printf("\n");
        for(i=0;i
        {
                printf("%d",num[i]);
                if((i+1)%4 == 0)
                {
                        printf("\n");
                }
                else
                {
                        printf(" ");
                        if(i==N-1)
                                printf("\n");
                }
        }
        printf("--------------------------------");
        printf("\n");
        printf("sort those numbers :");
        printf("\n");
        for(i=1;i
        {
                for(j=0;j
                {
                        if(num[j]>num[j+1])
                        {
                                tempArray=num[j];
                                num[j]=num[j+1];
                                num[j+1]=tempArray;
                        }
                }
        }
        for(j=0;j
        {
                printf("%d",num[j]);
                if((j+1)%4 == 0)
                {
                        printf("\n");
                }
                else
                {
                        printf(" ");
                        if(j==N-1)
                                printf("\n");
                }
        }
}
我想问问，我怎么判断我输入数据的类型（%d,%f,%c)？还请知道的不吝赐教！！！，谢谢先。