i did this problem but i don\'t know why i keep getting this error.(12C:\\Users\

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i did this problem but i don't know why i keep getting this error.(12C:UsersFaizan MianDocumentslab 8.cpp expected init-declaratorbefore "int" ) #include <cstdlib> #include <iostream> #include <math.h>

using namespace std; double distance (int p,int q,int r,int s); double radius (int p,int q,int r,int s); double circumference (double r1); double area (double r1); void main int main(int argc, char *argv[]) {int x1,x2,y1,y2; double r,d,c,a: cout<<"enter the center of circle"<<endl; cin>>x2>>y2; d=distance(x1,y1,x2,y2); r=radius(x1,y1,x2,y2); c=cirsumference(r); a=area(r);
cout<<"distance between points="<<d<<endl; cout<<"radius of circle= "<<r<<endl; cout<<"circumference of circle="<<c<<endl; cout<<"area of circle= "<<a<<endl;    system("PAUSE");    return EXIT_SUCCESS; } double distance (int p,int q,int r,int s) {    double d1;    d1=sqrt(pow(r-p,2)+pow(s-q,2));    return d1;    } double raduis (int p,int q,int r,int s) {    double r1;    r1=distance(p,q,r,s);    return r1; } double circumference (double r1) {    double c1;    c1=2*3.1416*r1;    return c1; } double area (double r1) {    double a1;    a1=3.1416*r1*r1;    return a1; }
but i don't know why i keep getting this error.(12C:UsersFaizan MianDocumentslab 8.cpp expected init-declaratorbefore "int" ) #include <cstdlib> #include <iostream> #include <math.h>

using namespace std; double distance (int p,int q,int r,int s); double radius (int p,int q,int r,int s); double circumference (double r1); double area (double r1); void main int main(int argc, char *argv[]) {int x1,x2,y1,y2; double r,d,c,a: cout<<"enter the center of circle"<<endl; cin>>x2>>y2; d=distance(x1,y1,x2,y2); r=radius(x1,y1,x2,y2); c=cirsumference(r); a=area(r);
cout<<"distance between points="<<d<<endl; cout<<"radius of circle= "<<r<<endl; cout<<"circumference of circle="<<c<<endl; cout<<"area of circle= "<<a<<endl;    system("PAUSE");    return EXIT_SUCCESS; } double distance (int p,int q,int r,int s) {    double d1;    d1=sqrt(pow(r-p,2)+pow(s-q,2));    return d1;    } double raduis (int p,int q,int r,int s) {    double r1;    r1=distance(p,q,r,s);    return r1; } double circumference (double r1) {    double c1;    c1=2*3.1416*r1;    return c1; } double area (double r1) {    double a1;    a1=3.1416*r1*r1;    return a1; }
#include <cstdlib> #include <iostream> #include <math.h>

using namespace std; double distance (int p,int q,int r,int s); double radius (int p,int q,int r,int s); double circumference (double r1); double area (double r1); void main int main(int argc, char *argv[]) {int x1,x2,y1,y2; double r,d,c,a: cout<<"enter the center of circle"<<endl; cin>>x2>>y2; d=distance(x1,y1,x2,y2); r=radius(x1,y1,x2,y2); c=cirsumference(r); a=area(r);
cout<<"distance between points="<<d<<endl; cout<<"radius of circle= "<<r<<endl; cout<<"circumference of circle="<<c<<endl; cout<<"area of circle= "<<a<<endl;    system("PAUSE");    return EXIT_SUCCESS; } double distance (int p,int q,int r,int s) {    double d1;    d1=sqrt(pow(r-p,2)+pow(s-q,2));    return d1;    } double raduis (int p,int q,int r,int s) {    double r1;    r1=distance(p,q,r,s);    return r1; } double circumference (double r1) {    double c1;    c1=2*3.1416*r1;    return c1; } double area (double r1) {    double a1;    a1=3.1416*r1*r1;    return a1; }

Explanation / Answer

void main int main(int argc, char *argv[])
The two statements won't work.
One or the other.
Since you are returning EXIT_SUCCESS just drop the line 'void main'and the program should work.

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