string4

#include <iostream>

using namespace std;

void obnulit(int mass[], int razmer) {

    for(int as = 0; as < razmer; as++) {
        mass[as] = 0;
    }
}
void sortmass(int povt[], int povt2[], char bukva[], char bukva2[] ) {

    int razmer = 0;
    while ( povt2[razmer] != 0 ) {
        razmer++;
    }

    int higher = 0;
    int ind = 0;
    int k = 0;

    for (int ak = 0; ak < razmer; ak++) {
        ind = 0;
        int f = 0;
        higher = 0;

        while(f < razmer) {

            if(povt2[f] > higher){
                higher = povt2[f];
                ind = f;
            }

          f++;
        }

        bukva2[ak] = bukva[ind];
        povt[ak] = povt2[ind];
        povt2[ind] = 0;
    }

    cout<<endl;

    for(int asd = 0; asd < razmer; asd++){
        cout<<bukva2[asd]<<" - "<<povt[asd];
        cout<<endl;
    }
}
int main(){
    int razm = 100;
    char bukva3[razm];
    char stroka[razm];
    int povt[razm] = { };
    char bukva[razm];
    char bukva2[razm];
    int povt2[razm] = { };

    char alphabet[27] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

    cin.getline(stroka, razm);
     char k = ' ';
     int str = 0;

     while ( k != 0) {

        k = stroka[str];
        if ( k >= 'a' && k <= 'z') {
            stroka[str] -= 32;
        }
        str++;
     }

    int z = 0;
    int a = 0;
    int no = 0;

    while(alphabet[z] != 0) {

        int j = 0;
        a = 0;
        while(stroka[j] != 0){

            if(alphabet[z] == stroka [j]) {

            a++;

            povt[no] = a;
            bukva[no] = alphabet[z];
            no++;
            }
            j++;
        }
        z++;
    }

    int op = 0;
    int nas = 0;

    while(bukva[op] != 0) {

        if(bukva[op] != bukva[op+1]) {

            bukva2[nas] = bukva[op];
            povt2[nas] = povt[op];
            nas++;
        }
        op++;
    }

    obnulit(povt, razm);

    sortmass(povt, povt2, bukva2, bukva3);
}