View difference between Paste ID: Yq207xJ8 and A1pEHyxQ

 #include <math.h>
 #include <iostream.h>
 #include <stdio.h>
 
 int main()
 {
 
 	double A[101][101];
 	double B[101][1];
 	double X[101][1];
 	double koeff, koeff2, temp1, temp2, temp3, temp4;
 	int size, num=0;
 
 //-------------------------------------------------|
 
 	cout<<"Vvedite razmer matricsi sistemi: ";
 	cin>>size;
 
 	cout<<"Vvedite element matricsi A: "<<endl;
 	for ( int a1=0; a1<size; a1++)
 	{
 		for ( int a2=0; a2<size; a2++)
 		{
 			cin>>A[a1][a2];
 		}
 	}
 
 	cout<<"Vvedennaya matricsa: "<<endl;
 	for ( int a3=0; a3<size; a3++)
 	{
 		for ( int a4=0; a4<size; a4++)
 		{
 			cout<<A[a3][a4]<<" ";
 		}
 		cout<<endl;
 	}
 //-------------------------------------------------|
 
 	cout<<"Vvedite stolbecs svobodnich chlenov: ";
 	for ( int b1=0; b1<size; b1++)
 	{
 		cin>>B[b1][0];
 	}
 
 	cout<<"Vvedennii stolbecs svobodnich chlenov: "<<endl;
 	for ( int b2=0; b2<size; b2++)
 	{
 		cout<<B[b2][0]<<endl;
 	}
 
 //-------------------------------------------------|
 
 	double max=0;
 	for ( int c1=0; c1<size; c1++)
 	{
 		if ( fabs(A[c1][0])>max)
 		{
 			max=A[c1][0];
 			num=c1;
 		}
 	}
 
 	cout<<max<<" "<<num+1<<endl;
 
 //-------------------------------------------------|
 
 	for ( int d1=0; d1<size; d1++)
 	{
 		temp1=A[0][d1];
 		A[0][d1]=A[num][d1];
 		A[num][d1]=temp1;
 	}
 
 	temp2=B[0][0];
 	B[0][0]=B[num][0];
 	B[num][0]=temp2;
 
 	cout<<"Vvedennaya matricsa: "<<endl;
 	for ( int d2=0; d2<size; d2++)
 	{
 		for ( int d3=0; d3<size; d3++)
 		{
 			cout<<A[d2][d3]<<" ";
 		}
 		cout<<endl;
 	}
 
 	for ( int d4=0; d4<size; d4++)
 	{
 		cout<<B[d4][0]<<endl;
 	}
 
 //-------------------------------------------------|
 
 	for ( int e1=0; e1<size; e1++)
 	{
 		for ( int e2=e1; e2<size-1; e2++)
 		{
 			koeff=A[e2+1][e1]/A[e1][e1];
 			B[e2+1][0]=B[e2+1][0]-B[e1][0]*koeff;
 			for ( int e3=e1; e3<size; e3++)
 			{
 				A[e2+1][e3]=A[e2+1][e3]-A[e1][e3]*koeff;
 			}
 		}
 	}
 
 	cout<<"Vvedennaya matricsa: "<<endl;
 	for ( int e4=0; e4<size; e4++)
 	{
 		for ( int e5=0; e5<size; e5++)
 		{
-			cout<<A[e4][e5]<<" ";
+//			cout<<A[e4][e5]<<" ";
 			printf("%0.6lf \t" , A[e4][e5]);
 		}
 //		cout<<endl;
 		printf("\n");
 	}
 
-		cout<<B[e6][0]<<endl;
+
 	{
 //		cout<<B[e6][0]<<endl;
 		printf("%0.6lf \n", B[e6][0]);
 	}
 
 //-------------------------------------------------|
 /*
 	for ( int f1=size; f1>0; f1--)
 	{
 		for ( int f2=f1; f2>0+1; f2--)
 		{
 			koeff=A[f2-1][f1]/A[f1][f1];
 			B[f2-1][0]=B[f2-1][0]-B[f1][0]*koeff;
 			for ( int f3=f1; f3>0; f3--)
 			{
 				A[f2-1][f3]=A[f2-1][f3]-A[f1][f3]*koeff;
 			}
 		}
 	}
 
 	cout<<"Vvedennaya matricsa: "<<endl;
 	for ( int f4=0; f4<size; f4++)
 	{
 		for ( int f5=0; f5<size; f5++)
 		{
 			cout<<A[f4][f5]<<" ";
 		}
 		cout<<endl;
 	}
 
 	for ( int f6=0; f6<size; f6++)
 	{
 		cout<<B[f6][0]<<endl;
 	}
 */
 //-------------------------------------------------|
-		for ( int f2=f1; f2>0; f2--)
+
 	for ( int f1=size; f1>0; f1--)
 	{
 		for ( int f2=f1; f2>1; f2--)
 		{
 			koeff2=A[f2-1][f1]/A[f1][f1];
 			B[f2-1][0]=B[f2-1][0]-B[f1][0]*koeff2;
 			for ( int f3=f1; f3>0; f3--)
 			{
 				A[f2-1][f3]=A[f2-1][f3]-A[f1][f3]*koeff;
 			}
 		}
 	}
 
 	cout<<"Vvedennaya matricsa: "<<endl;
 	for ( int f4=0; f4<size; f4++)
 	{
 		for ( int f5=0; f5<size; f5++)
 		{
 //			cout<<A[f4][f5]<<" ";
 			printf("%0.6lf \t" , A[f4][f5]);
 		}
 //		cout<<endl;
 		printf("\n");
 	}
 
 	for ( int f6=0; f6<size; f6++)
 	{
 //		cout<<B[f6][0]<<endl;
 		printf("%0.6lf \n", B[f6][0]);
 	}
 
 //-------------------------------------------------|
 /*
 for(r=1;r<n;r++)
 	{
 		for(i=1;i<=r;i++)
 		{
 			t=mas[i-1][r]/mas[r][r];
 			B[i-1]=B[i-1]-B[r]*t;
 			for(j=r;j<n;j++)
 			{
 				mas[i-1][j]=mas[i-1][j]-mas[r][j]*t;
 			}
 		}
 	}
 */
 
 	return 0;
 }