auto split the input

split.cpp

// the input is provided in one line, containing commas and integrals. the following code split the input and read them into an array.

#include <iostream>
#include <string>
#include <sstream>
using namespace std;

int main()
{
    string input;
    cin >> input;
    replace(input.begin(), input.end(), ',', ' ');
    stringstream ss;
    ss.str(input);
    int data[1000];
    int count = 0;
    string temp;
    while (ss >> data[count])
    {
        count++;
    }
    // above is the reading and storing section
    for (int i = 0; i < count; i++)
    {
        cout << data[i];
    }
    // output
    return 0;
}

没有必要这么复杂。直接用一个char存符号，之后使用cin >> a >> char >> b即可。