Laboratoriski 8 - 4 SP

#include <stdio.h>
#include <ctype.h>
#define MAX 1000

int i1,i2,d;

int revertString(char *a, char *b, char *comparator){
    int i,j,flag,abwins;
    char temp;
    for (i=0;i<i1/2+1;i++){
        temp = *(a+i);
        *(a+i) = *(a+i1-i-1);
        *(a+i1-i-1)= temp;
    }
    for (i=0;i<i2/2;i++){
        temp = *(b+i);
        *(b+i) = *(b+i2-i-1);
        *(b+i2-i-1)= temp;
    }
        if (d==5 && tolower(*(comparator))=='p' && tolower(*(comparator+1))=='o'&& tolower(*(comparator+2))=='m'&& tolower(*(comparator+3))=='a'&& tolower(*(comparator+4))=='l'){
            flag = 1;
        }
        else if (d==7 && tolower(*(comparator))=='p' && tolower(*(comparator+1))=='o'&& tolower(*(comparator+2))=='g'&& tolower(*(comparator+3))=='o'&& tolower(*(comparator+4))=='l'&& tolower(*(comparator+5))=='e' && tolower(*(comparator+6))=='m'){
            flag =0;
        }
        else{
            printf("Invalid comparator");
            return 0;
        }
    for (i=0;i<(i1>i2)?i1:i2;i++){
        if (*(a+i) > *(b+i)){
            if ( flag == 1){
                abwins=1;
                break;
            }
            else{
                abwins=0;
                break;

            }
        }
        else if(*(a+i) < *(b+i)){
            if ( flag == 1){
                abwins=0;
                break;
            }
            else{
                abwins=1;
                break;

            }
      }
    }

    if (abwins==1){
        for (j=0;j<i2;j++){
            printf("%c",*(b+j));
        }
    }
    else{
        for (j=0;j<i1;j++){
            printf("%c",*(a+j));
        }

    }



}

int main(){
    char c;
    char n1[MAX],n2[MAX],d1[MAX];
    int i,n;

    scanf("%d",&n);
    getchar();
    for (i=0;i<n;i++){
        i1=0;i2=0;d=0;
        while ((c=getchar())!='\n'){
            n1[i1]=c;
            i1++;
        }
        while ((c=getchar())!='\n'){
            n2[i2]=c;
            i2++;
        }
        while ((c=getchar())!='\n'){
            d1[d]=c;
            d++;
        }
    revertString(n1,n2,d1);
    printf("\n");
    }
    return 0;
}