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- #include<stdio.h>
- #include<conio.h>
- #include<math.h>
- #define m 4
- #define n 4
- float max(float matrix[m][n]){
- float Max=matrix[0][0];
- for (int i=1;i<m;i++)
- for(int j=1;j<n;j++)
- if(i==j)
- if(matrix[i][j]>Max)
- Max=matrix[i][j];
- return Max;
- }
- void swap(float *B1, float *B2){
- float t = *B1;
- *B1=*B2;
- *B2=t;
- }
- int main()
- {
- float B[m][n],A[m][n],B1[m][n],Max,MaxB1;
- int min[n];// array of min val
- for (int i=0;i<m;i++)
- for(int j=0;j<n;j++){
- printf("Input element number %iX%i\n",i+1,j+1);
- scanf("%f",&A[i][j]);
- }
- printf("Massiv A\n");
- for (int i=0;i<m;i++){
- for(int j=0;j<n;j++)
- printf("%f\t", A[i][j]);
- printf("\n");
- }
- Max=max(A);
- printf("Max element of main diagonal A=%f",Max);
- printf("\n");
- for (int i=0;i<m;i++)
- for(int j=0;j<n;j++)
- B[i][j]=sin(i+1)-cos(j+1);
- printf("Massiv B\n");
- for (int i=0;i<m;i++){
- for(int j=0;j<n;j++)
- printf("%f\t ", B[i][j]);
- printf("\n");
- }
- //create B1
- for(int i =0;i<m;i++)
- for(int j =0; j<n;j++)
- B1[i][j]=B[i][j];
- for(int i=0;i<m;i++){
- float t=B[i][0];
- min[i]=0;
- for(int j=0;j<n;j++)
- if(t>B[i][j]){
- t=B[i][j];
- min[i]=j;
- }
- }
- //swap b[i][i] and Bmin[]
- for (int i=0;i<m;i++){
- swap(&B1[i][i],&B1[i][min[i]]);
- }
- printf("Massiv B1\n");
- for (int i=0;i<m;i++){
- for(int j=0;j<n;j++)
- printf("%f\t ",B1[i][j]);
- printf("\n");
- }
- MaxB1=max(B1);
- printf("Max element of main diagonal B1=%f",MaxB1=max(B1));
- printf("\n");
- getch();
- return 0;
- }
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