Untitled

#include <bits/stdc++.h>
using namespace std;




class Alignment {

    private:
    string _text;
    int _wordPerLine;

    public:

    Alignment(string &text, int &wordPerLine) {

        printf("Enter Your Text: ");
        getline(cin, text);
        printf("Word per line: ");
        scanf("%d", &wordPerLine);

        _text = text;
        _wordPerLine = wordPerLine;
    }
};







void vector_indexing(string text, int wordPerLine, vector<pair<int, int> > &lineIndex) {

    int startIndex, endIndex, tempEndIndex, nextStartIndex, flag=0;
    int textLength = text.length();



    for(int i=0; i<textLength; i++) {
        if(text[i]==' ') {                         //head whitespace checking
            continue;
        }
        startIndex = i;
        tempEndIndex = startIndex+wordPerLine-1;


        if(textLength-1<=tempEndIndex) {
            endIndex = textLength-1;
            lineIndex.push_back({startIndex, endIndex});
            flag = 1;
        }
        break;
    }




    while(tempEndIndex<textLength  && flag!=1) {
        if(text[tempEndIndex+1]==' ') {
            endIndex = tempEndIndex;
            nextStartIndex = tempEndIndex+2;
        }
        else {
            for(int i=tempEndIndex;;i--) {
                if(text[i]==' ') {
                    endIndex = i-1;
                    nextStartIndex = i+1;
                    break;
                }
            }
        }
        lineIndex.push_back({startIndex, endIndex});


        startIndex = nextStartIndex;
        tempEndIndex = startIndex+wordPerLine-1;


        if(tempEndIndex>=textLength-1) {
            endIndex=textLength-1;

            lineIndex.push_back({startIndex, endIndex});
            break;
        }
    }
}








void left_alignment(string text, vector<pair<int, int> > &lineIndex) {

    printf("\nText on Left Alignment: \n\n");

    for(int i=0; i<lineIndex.size(); i++) {
        for(int j=lineIndex[i].first; j<=lineIndex[i].second; j++) {
            printf("%c", text[j]);
        }
        printf("\n");
    }
}








void right_alignment(string text, int wordPerLine, vector<pair<int, int> > &lineIndex) {

    printf("\nText on Right Alignment: \n\n");

    for(int i=0; i<lineIndex.size(); i++) {

        int spaceNumber = wordPerLine - (lineIndex[i].second - lineIndex[i].first + 1);
        for(int j=1; j<=spaceNumber; j++) {
            printf(" ");
        }

        for(int j=lineIndex[i].first; j<=lineIndex[i].second; j++) {
            printf("%c", text[j]);
        }
        printf("\n");
    }
}








int main() {

    string text;
    int wordPerLine;
    vector<pair<int, int> > lineIndex;

    Alignment obj1(text, wordPerLine);

    vector_indexing(text, wordPerLine, lineIndex);
    left_alignment(text, lineIndex);
    right_alignment(text, wordPerLine, lineIndex);
}