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| #include <iostream>
#include <conio.h>
#include <math.h>
using namespace std;
int** input(int m,int n);
void output(int **mas, int m,int n);
int resmas(int **mas,int m,int n);
void editmas(int m,int n,int **mas);
void main(void)
{
int n,m; cout<<endl<<"vvedi koli4estvo strok"<<endl; cin >> m;
cout<<"vvedi koli4estvo stolbcov"<<endl; cin >> n;
do{
int **mas=input(m,n);
output(mas,m,n); cout<<endl;
editmas(m,n,mas);
}
while(_getch()=='y');
}
//1 din
#include <iostream>
using namespace std;
int *entermas(int N);
int** input(int m,int n)
{int **mas = new int *[m];
for(int i=0; i<m; i++)
mas[i]=entermas(n);
return mas;}
int *entermas(int N)
{
int *mas0 = new int [N];
for(int i=0;i!=N;i++) {cout << "vvedite "<< i+1<<" element massiva "<< endl;
cin >> mas0[i];
}; return mas0;
}
//2 din
#include <iostream>
using namespace std;
void output(int **mas, int m,int n)
{
for (int i = 0,j = 0; i!=m; i++){
for (j=0; j!=n; j++){cout << *(*(mas+i)+j)<<" ";
};cout<<endl;};}
//3 din
#include <math.h>
#include <iostream>
using namespace std;
void output(int **mas, int m,int n);
int resmas(int **mas, int m,int n)
{
int s=0;
for(int i=0;i!=m;i++)
{
for(int j=0;j!=n;j++)
{s=s+mas[i][j];}
;}
;
if (s>=0) return 0; return 1;}
void editmas(int m,int n,int **mas)
{int i,j=1,z,min;
if(resmas(mas,m,n)!=0){
int **mass = new int *[m];
for(int i=0; i<n; i++)
mass[i]=new int [n];
for(int i=0;i!=m;i++){min=0;
for(int j=1;j!=n;j++){
if(abs(mas[i][j])<abs(mas[i][min])) min=j; };
z=mas[i][min]; mas[i][min]=mas[i][i]; mas[i][i]=z;
};
i=0;
for(int i=0;i!=m;i++){for(int j=0;j!=n;j++){ mass[i][j]=mas[i][j];};};
output(mass,m,n);
for(int i=0;i<m;++i){
delete []mas[i];
delete []mass[i];
};
delete []mas;
delete []mass;
}
else cout<<"tak ne poidet!!"<<endl; cout<<"povtorit'?"<<endl;
} |
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