#include <stdio.h>
#include <stdlib.h>
#include <string.h>
struct pers{ char nume[20];
    char pren[20];
    float age;};
typedef struct pers pers;

int main() {
    pers v[20];
    int n = 5;
    int i;
    char output_filename[40] = "D:\\projc++\\iulia\\untitled\\ex6.txt";
    FILE *f = fopen(output_filename, "w+");
    if (f == NULL) return -1;
    for(i=0;i<n;i++)
    {  scanf("%s",&v[i].nume);
        scanf("%s",&v[i].pren);
        scanf("%f", &v[i].age);

    }


   /* for(i=0;i<n;i++)
    {
        fprintf(f,"%s ",v[i].nume);
        fprintf(f,"%s ",v[i].pren);
        fprintf(f,"%f \n",v[i].age);

    }*/
    /*float sum=0;
     fseek(f,0,SEEK_SET);
     for(i=0;i<5;i++)
     {
          fscanf(f,"%s",&v[i].nume);
          fscanf(f,"%s",&v[i].pren);
          fscanf(f,"%f",&v[i].age);
         printf("%s ",v[i].nume);
         printf("%s ",v[i].pren);
         printf("%f ",v[i].age);
        sum=sum+v[i].age;                  // punctul d

     }
     float media;
     media=sum/2;
     printf("%f",media);
    pers x;                        //punctul c
     scanf("%s",&x.nume);
     scanf("%s",&x.pren);
     scanf("%f",&x.age);
     fseek(f,0,SEEK_SET);
     int  bec=0;
     for(i=0;i<2;i++)
     {
         if( strcmp(x.nume,v[i].nume)==0 && strcmp(x.pren,v[i].pren)==0 && x.age==v[i].age)  bec=1;

     }
     fseek(f,0,SEEK_END);
      if(bec==1) printf("exista");
         else {fprintf(f,"%s ",x.nume);
              fprintf(f,"%s ",x.pren);
              fprintf(f,"%f ",x.age);}
        pers aux;
          fseek(f,0,SEEK_SET);                     //punctul e
          for(i=0;i<1;i++)
              if(v[i+1].age<v[i].age)      {  aux=v[i];
                                             v[i]=v[i+1];
                                             v[i+1]=aux;}*/


    /* for(i=0;i<5;i++)
{
  fprintf(f,"%s ",v[i].nume);
  fprintf(f,"%s ",v[i].pren);
  fprintf(f,"%f \n",v[i].age); }*/

    pers x;
    scanf("%s",&x.nume);
    scanf("%s",&x.pren);
    scanf("%f",&x.age);
    int j;
    for(i=0;i<n;i++)
    {
        if( strcmp(x.nume,v[i].nume)==0 ) {
            for(j=i;j<n-1;j++)
                v[j]=v[j+1];
            n--;
            break;
        }


    }
    fseek(f,0,SEEK_SET);
    for(i=0;i<n;i++)
    {
        fprintf(f,"%s ",v[i].nume);
        fprintf(f,"%s ",v[i].pren);
        fprintf(f,"%f \n",v[i].age);
    }
    fclose(f);
    return 0;
}