Polynomial program in c using structure

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Polynomial program in c using structure

#include<stdio.h>

#define MAX 10

struct polynomial

{

int degree;

int coef[MAX];

} poly[MAX],add;

void CreatePoly(int);

void DisplayPoly(int);

void AddPoly(int,int);

void init(int); //Initialize all coefficients to 0

int main()

{

int n;

printf("\nProgram to add polynomials\n");

printf("\nEnter the number of polynomials : ");

scanf("%d",&n);

CreatePoly(n);

return(0);

}

void CreatePoly(int n)

{

int i,j,maxDeg=0,deg,temp;

init(n);

for(i=0;i<n;i++)

{

printf("\nEnter the Degree of Polynomial %d : ",i+1);

scanf("%d",&poly[i].degree);

if(poly[i].degree>maxDeg)

maxDeg=poly[i].degree;

printf("\nEnter the Coefficients of Polynomial of degree %d\n",poly[i].degree);

deg=MAX-poly[i].degree;

temp=poly[i].degree;

for(j=deg-1;j<MAX;j++)

{

printf("\nCoefficient of  x^%d : ",temp--);

scanf("%d",&poly[i].coef[j]);

}

}

DisplayPoly(n);

AddPoly(n,maxDeg);

}

void DisplayPoly(int n)

{

int i,j,deg,temp;

printf("\nThe Polynomials are\n");

for(i=0;i<n;i++)

{

deg=MAX-poly[i].degree;

temp=poly[i].degree;

printf("Polynomial %d : ",i+1);

for(j=deg-1;j<MAX-1;j++)

printf("%+dx^%d ",poly[i].coef[j],temp--);

printf("%+d",poly[i].coef[j]);

printf("\n");

}

}

void init(int n)

{

int i,j;

for(i=0;i<n;i++)

{

for(j=0;j<MAX;j++)

poly[i].coef[j]=0;

}

for(j=0;j<MAX;j++)

add.coef[j]=0;

}

void AddPoly(int n,int maxDeg)

{

int i,j,deg;

deg=MAX-maxDeg;

for(i=0;i<n;i++)

{

for(j=deg-1;j<MAX;j++)

add.coef[j]+=poly[i].coef[j];

}

printf("\nThe addition of the %d polynomials is\n",n);

for(j=deg-1;j<MAX-1;j++)

printf("%+dx^%d ",add.coef[j],maxDeg--);

printf("%+d",add.coef[j]);

printf("\n");

}