#include<stdio.h>
#include<math.h>
int main(){
int a[10][10],b[10][1],c[20][20],i,j,n,k;
printf("enter the degree of polynomial");
scanf("%d",&n);
for(i=0;i<n;i++){
for(j=0;j<=n;j++){
if(j==i+1)
a[i][j]=i+1;
else
a[i][j]=0;
}
}
printf("enter the coefficients for the polynomial a0+a1x+a2x^2+....+anx^n: \n");
for(i=0;i<=n;i++){
for(j=0;j<=0;j++){
printf("enter a%d ",i);
scanf("%d",&b[i][j]);
}
}
for(i=0;i<=n;i++){
int sum=0;
for(j=0;j<1;j++){
for(k=0;k<=n;k++){
sum=sum+a[i][k]*b[k][j];}
c[i][j]=sum;
}
}
printf("the derivative is:\n");
for(i=n-1;i>=0;i--){
for(j=0;j<1;j++){
printf("%dx^%d",c[i][j],i);
if(i!=0)
printf("+");
}}
}