Mobile List Generation & printing the list alphabetically

 #include <stdio.h>

#include <string.h>

int main()

{

    printf("Number of Mobile:");

    int n;

    scanf("%d",&n);

    printf("\n\n\n");

    int i,Phone_price[25];

    char phone_name[25][25],temp[25],search[25];

    for(i=0;i<n;i++)

    {

        printf("Name:");

        scanf("%s",phone_name[i]);

        printf("Price :");

        scanf("%d",&Phone_price[i]);

    }

int j,count ;

   for(i=0;i<n-1;i++)

   {

       for(j=i+1;j<n;j++)

       {

    if(strcmp(phone_name[i],phone_name[j]) > 0)

          {

        strcpy(temp,phone_name[i]);

        strcpy(phone_name[i],phone_name[j]);

        strcpy(phone_name[j],temp);

        count = Phone_price[i];

        Phone_price[i] = Phone_price[j];

        Phone_price[j] =count;

          }

       }

   }

    printf("Search Mobile:");

    scanf("%s",search);

    printf("\n\n");

   printf("Mobile List\n");

    for(i=0;i<n;i++)

    printf("Name : %s\t\tPrice: %d\n",phone_name[i],Phone_price[i]);

    for(i=0;i<n;i++)

    if((strcmp(search,phone_name[i])) == 0 )

    {

        printf("\n\nMobile Details Found\n");

        printf("\nName:%s\n",search);

        printf("\nPrice:%d\n",Phone_price[i]);

        printf("\n\n");

    }

    return 0;

}

 #include<stdio.h>

#include<math.h>

int main(){

int n,x,a;

scanf("%d",&n);

while(n--){

scanf("%d",&x);

a = (sqrt(1+4*2*x) - 1)/2;

printf("%d\n",a);

}

return 0;

}