Final 58 ตอนที่ 3 ยังสมบูรณ์ (ranking)

#include<stdio.h>
#include<string.h>
#define line "- - - - - - - - - - - - - - - - - - - - - -"

typedef struct{
    int d,m,y;
}date;
typedef struct{
    int playerID;
    char name[20];
    char nationality[50];
    int age;
    int point;
    date updated;
}player;

int inputPlayers (player p[]) {
    int n=0;
    printf("Input Player Information\n");
    printf("Number of players: ");
    scanf("%d",&n);
    int i=0;
    while(i<n){
        printf("Player#%d",i+1);
        printf("\nPlayerID: ");
        scanf("%d",&p[i].playerID); fflush(stdin);
        printf("Name: ");
        scanf("%[^\n]s",p[i].name); fflush(stdin);
        printf("Nationality:");
        scanf("%[^\n]s",p[i].nationality); fflush(stdin);
        printf("Age: ");
        scanf("%d",&p[i].age); fflush(stdin);
        i++;
    }
    return n;
}

void updatePoints( player p[] , int n) {
    int round=0,i,j;
    player input;
    int newpoint;
    printf("\nUpdate Points of Players\n");
    printf("Number of players to update points: ");
    scanf("%d",&round);

    for(i=0;i<round;i++){
        printf("PlayerID: ");
        scanf("%d",&input.playerID);
        for(j=0;j<round;j++){
            if(input.playerID==p[j].playerID){
                printf("%s Current points = %d",p[j].name,p[j].point);
                printf("\nEnter new points: ");
                scanf("%d",&newpoint);
                p[j].point=newpoint;
                printf("Updated date (dd/mm/yyyy) : ");
                scanf("%d/%d/%d",&p[j].updated.d,&p[j].updated.m,&p[j].updated.y); fflush(stdin);
            }
        }
    }
}

void showPlayers (player p[],int n){
    printf("\nShow Player Information\n");
    printf("# PlayerlD Name  Nationality Age Points  Updated\n");
    printf(line);
    int i=0;
    while(i<n){
        printf("\n%d    %d %s %s %d %d %d/%d/%d\n",i+1,p[i].playerID,p[i].name,p[i].nationality,p[i].age,p[i].point,p[i].updated.d,p[i].updated.m,p[i].updated.y);
        i++;
    }
    printf("\n");
    printf(line);

}

void ranking ( player p [] , int n){
    player rank[100];
    int point = p[0].point;
    int i=0,j=0;
    for(i=0;i<n;i++){
        if(point>p[i].point){
            point=p[i].point;
            rank[j]=p[i];
            j++;
        }
    }
    i=0;
    while(i<n){
        p[i]=rank[i];
        i++;
    }
}

int main(){
    player input[500];
    int n;
    n=inputPlayers(input);
    updatePoints (input,n);
    ranking (input,n);
    showPlayers (input,n);
    return 0;
}