project shanmukh

 #include<stdio.h>

#include<string.h>

int main(){

    int n,i,j;

    printf("Enter No Of Test Cases\n");

    scanf("%d",&n);

    char arr[n][33];

    for(i=0;i<n;i++){

        scanf("%s",arr[i]);

    }

    int count;

    for(i=0;i<n;i++){

        count=0;

        for(j=0;j<i;j++){

            if(strcmp(arr[i],arr[j])==0)

                count++;

        }

        if(count==0)

            printf("OK\n");

        else{

            printf("%s%d\n",arr[i],count);

        }

    }

}






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