#include <iostream>
using namespace std;

void nived(int*);
void ived(int,int,int*,double**);
void skaic(int,int,int,int*,double**);
void isved(int,int,int*,double**);

int main(){
	int i=0,j=0;
	int temp=0;
	int* n=new int;
	nived(n);
	double ** mas= new double*[*n];
	for(i=0;i<*n;i++){
 mas [i]=new double[*n];
	}
	double* sum=new double[*n-1];
	ived(i,j,n,mas);
	skaic(temp,i,j,n,mas);
	isved(i,j,n,mas);
   for (i=0;i<*n;i++){
 	delete []mas [i];
 }
	delete n;
	delete []mas;
	return 0;
}
//

void nived(int * n){
	do{
 cout<<"Iveskite matricos mata n: "<<endl;
 cin>>*n;
 if(*n<1||*n>10){
 	cout<<"Viskas blogai bandykite dar: \n";
 }
	}while (*n<1||*n>10);
}

  void ived(int i, int j, int* n, double ** mas){
  for (i=0; i<*n; i++){
  for(j=0; j<*n; j++){
   cout<<"\nElmentas: ["<<i+1<<"]["<<j+1<<"] ";
      cin>>mas[i][j];
     }
    }
  cout<<"\nPradine matrica:\n "<<endl;
  for (i=0;i<*n;i++){
 for (j=0;j<*n;j++){
 	cout<<mas[i][j]<<" ";
    }
   cout<<endl;
   }
  }

  void skaic(int temp, int i, int j, int* n, double ** mas){
  for (i=0; i<*n; i++){
    for(j=0; j<*n; j++){
      if(i==j){
      temp = mas[i][j];
      mas[i][j]=mas[*n-1-i][j];
      mas[*n-1-i][j] = temp;
   }
  }
  }
  }

void isved(int i, int j, int* n, double** mas){
  cout<<"\nMatrica su pakeistomis diagonalemis:\n "<<endl;
  for (i=0;i<*n;i++){
 for (j=0;j<*n;j++){
 	cout<<mas[i][j]<<" ";
    }
   cout<<endl;
   }
}