Output four numeric characters and four characters

Output four numeric characters and four characters

Enter the code:

/** Copyright (c) 2014, School of Computer and control engineering, Yantai University * All rights reserved. * file name: sum123.cpp * Author: Lin haiyun * Completion Date: July 15, January 8, 2015 * version No.: v2.0 ** Problem description: Write a function and enter a four-digit number, the four numeric characters must be output, but each two numbers have spaces. If 1990 is input, "1 9 9 0" should be output ". * Program input: four digits * program output: add space output */# include <iostream> using namespace std; void output (int m, int n); int main () {int num, n = 4; cin> num; output (num, n); return 0;} void output (int m, int n) {int a [n]; int I, k; I = n; while (I> 0) {a [I] = m % 10; m/= 10; I --;} for (k = 1; k <= n; k ++) {cout <a [k] <"";}}

Running result: