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  1. Using C++ for the nested looped program.

    NOTE: Each digit in string prints '+'

    Explanation:

    #include <iostream>

    #include <string>

    using namespace std;

    int main() {

       string s;

       cin >> s;

       for (int i = 0; i < s.length(); ++i) {

           for (int j = 0; j < s[i]-'0'; ++j) {

               cout << "+";

           }

           cout << endl;

       }

       return 0;

    }

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