Nomer 4 UAS

#include <stdio.h>
#include <math.h>

int y(int x){
    int data;
    data=10*pow(x,3)-30*pow(x,2)+20*x-100;
    return data;
}
float rata(int sigma, int n){
    float data;
    data=sigma/n;
    return data;
}
float dmind(int d, int sigma, int n){
    float data;
    data=pow((d-rata(sigma,n)),2);
    return data;
}

main(){
    int n,i,x[100];
    int sigmax=0,sigmay=0;
    float sigmaxminx=0,sigmayminy=0;
    scanf("%d",&n);
    for(i=0;i<n;i++){
        scanf("%d",&x[i]);
        sigmax+=x[i];
        sigmay+=y(x[i]);
    }
    printf("----------------------------------------\n");
    printf("No.\t x\ty \t(x-x) \t(y-y) \n");
    printf("----------------------------------------\n");
    for(i=0;i<n;i++){
        printf("%d\t ",i+1);
        printf("%d\t ",x[i]);
        printf("%d\t ",y(x[i]));
        printf("%1.3f\t ",dmind(x[i],sigmax,n));
        printf("%1.3f\t ",dmind(y(x[i]),sigmay,n));
        sigmayminy+=dmind(y(x[i]),sigmay,n);
        sigmaxminx+=dmind(x[i],sigmax,n);
        printf("\n");
    }
    printf("----------------------------------------\n");
    printf("\t %d\t %d\t %1.3f\t %1.3f\n",sigmax,sigmay,sigmaxminx,sigmayminy);
    printf("----------------------------------------\n");
}