Void main()

{ const int N=5, M=5;

const int RANGE_MIN = 0; //миним.значение СВ

const int RANGE_MAX = 25; //максим.значение СВ

int A[N][M]={0};

int max, min, sum, k;

int i,j;

//установка точки(начала) для генерации СВ

srand( (unsigned)time(0));

for(i=0;i<N;i++)

for(j=0;j<M;j++)

A[i][j] = rand() % (RANGE_MAX+1) + RANGE_MIN ;

for (i=0;i<N;i++)

{ for (int j=0;j<M;j++)

cout<<setw(6)<<A[i][j];

cout<<"\n";

}

//#1

max=A[0][0];min=A[0][0];

sum=0; k=0;

for (i=0;i<(N+1)/2;i++)

{

for (int j=0;j<M;j++)

{ if (min>A[i][j]) min=A[i][j];

if (max<A[i][j]) max=A[i][j];

sum +=A[i][j];

k++;

}

}

cout<<"\n========= # 1 ===========\n";

cout<<"\nMax = "<<max<<"\nMin = "<<min<<"\nSum = "<<sum<<" kol = "<<k<<" Sr = "<<sum/(double)k;

//#2

min = A[N/2][0]; max = A[N/2][0];

sum=0; k=0;

for (i=N/2;i<N;i++)

{

for (int j=0;j<M;j++)

{ if (min>A[i][j]) min=A[i][j];

if (max<A[i][j]) max=A[i][j];

sum +=A[i][j];

k++;

}

}

cout<<"\n========= # 2 ===========\n";

cout<<"\nMax = "<<max<<"\nMin = "<<min<<"\nSum = "<<sum<<" kol = "<<k<<" Sr = "<<sum/(double)k;

//#3

max=A[0][0];min=A[0][0];

sum=0; k=0;

for (i=0;i<N;i++)

{

for (int j=0;j<(M+1)/2;j++)

{ if (min>A[i][j]) min=A[i][j];

if (max<A[i][j]) max=A[i][j];

sum +=A[i][j];

k++;

}

}

cout<<"\n========= # 3 ===========\n";

cout<<"\nMax = "<<max<<"\nMin = "<<min<<"\nSum = "<<sum<<" kol = "<<k<<" Sr = "<<sum/(double)k;

//#4

max=A[0][M/2];min=A[0][M/2];

sum=0; k=0;

for (i=0;i<N;i++)

{

for (int j=M/2;j<M;j++)

{ if (min>A[i][j]) min=A[i][j];

if (max<A[i][j]) max=A[i][j];

sum +=A[i][j];

k++;

}

}

cout<<"\n========= # 4 ===========\n";

cout<<"\nMax = "<<max<<"\nMin = "<<min<<"\nSum = "<<sum<<" kol = "<<k<<" Sr = "<<sum/(double)k;

//#5

max=A[0][0];min=A[0][0];

sum=0; k=0;

cout<<"\n========= # 5 ===========\n";

for (i=0;i<N;i++)

{ for (int j=0;j<M-i;j++)

{ if (min>A[i][j]) min=A[i][j];

if (max<A[i][j]) max=A[i][j];

sum +=A[i][j];

k++;

cout<<setw(6)<<A[i][j];

}

cout<<"\n";

}

cout<<"\n========= # 5 ===========\n";

cout<<"\nMax = "<<max<<"\nMin = "<<min<<"\nSum = "<<sum<<" kol = "<<k<<" Sr = "<<sum/(double)k;

//#6

max=A[0][0];min=A[0][0];

sum=0; k=0;

cout<<"\n========= # 6 ===========\n";

for (i=0;i<N;i++)

{ for (int j=0;j<=i;j++)

{ if (min>A[i][j]) min=A[i][j];

if (max<A[i][j]) max=A[i][j];

sum +=A[i][j];

k++;

cout<<setw(6)<<A[i][j];

}

cout<<"\n";

}

cout<<"\n========= # 6 ===========\n";

cout<<"\nMax = "<<max<<"\nMin = "<<min<<"\nSum = "<<sum<<" kol = "<<k<<" Sr = "<<sum/(double)k;

//#7

max=A[0][M-1];min=A[0][M-1];

sum=0; k=0;

cout<<"\n========= # 7 ===========\n";

for (i=0;i<N;i++)

{ for (int j=0;j<M-i-1;j++)

cout<<setw(6)<<" ";

for (int j=M-i-1;j<M;j++)

{ if (min>A[i][j]) min=A[i][j];

if (max<A[i][j]) max=A[i][j];

sum +=A[i][j];

k++;

cout<<setw(6)<<A[i][j];

}

cout<<"\n";

}

cout<<"\n========= # 7 ===========\n";

cout<<"\nMax = "<<max<<"\nMin = "<<min<<"\nSum = "<<sum<<" kol = "<<k<<" Sr = "<<sum/(double)k;

//#8

max=A[0][0];min=A[0][0];

sum=0; k=0;

cout<<"\n========= # 8 ===========\n";

for (i=0;i<N;i++)

{ for (int j=0;j<i;j++)

cout<<setw(6)<<" ";

for (int j=i;j<M;j++)

{ if (min>A[i][j]) min=A[i][j];

if (max<A[i][j]) max=A[i][j];

sum +=A[i][j];

k++;

cout<<setw(6)<<A[i][j];

}

cout<<"\n";

}

cout<<"\n========= # 8 ===========\n";

cout<<"\nMax = "<<max<<"\nMin = "<<min<<"\nSum = "<<sum<<" kol = "<<k<<" Sr = "<<sum/(double)k;

//#9

max=A[0][0];min=A[0][0];

sum=0; k=0;

cout<<"\n========= # 9 ===========\n";

for(i=0;i<=(N+1)/2;i++)

{

for(j=0;j<M;j++)

{

if ((( (j<(M+1)/2)) && (i>=0 && i<=j)) ||

(( (j>=(M+1)/2))&& (i>=0 && i<=N-j-1))

)

{

if (max < A[i][j]) max = A[i][j];

if (min > A[i][j]) min = A[i][j];

sum+=A[i][j];

k++;

cout<<setw(6)<<A[i][j];

}

else cout<<setw(6)<<" ";

}

cout<<"\n";

}

cout<<"\n========= # 9 ===========\n";

cout<<"\nMax = "<<max<<"\nMin = "<<min<<"\nSum = "<<sum<<" kol = "<<k<<" Sr = "<<sum/(double)k;

//#10

max=A[0][0];min=A[0][0];

sum=0; k=0;

cout<<"\n========= # 10 ===========\n";

for(i=0;i<N;i++)

{

for(j=0;j<=(M+1)/2;j++)

{

if ((( (i<(N+1)/2)) && (j>=0 && j<=i)) ||

(( (i>=(N+1)/2))&& (j>=0 && j<=M-i-1))

)

{

if (max < A[i][j]) max = A[i][j];

if (min > A[i][j]) min = A[i][j];

sum+=A[i][j];

k++;

cout<<setw(6)<<A[i][j];

}

else cout<<setw(6)<<" ";

}

cout<<"\n";

}

cout<<"\n========= # 10 ===========\n";

cout<<"\nMax = "<<max<<"\nMin = "<<min<<"\nSum = "<<sum<<" kol = "<<k<<" Sr = "<<sum/(double)k;

//#11

max=A[0][0];min=A[0][0];

sum=0; k=0;

cout<<"\n========= # 11 ===========\n";

for(i=0;i<N;i++)

{

for(j=0;j<M;j++)

{

if ((( (j<(M+1)/2)) && ((i>=0 && i<=j) || (i>=N-j-1 && i<N))) ||

(( (j>=(M+1)/2))&& ((i>=0 && i<=N-j-1) || (i>=j && i<N)))

)

{

if (max < A[i][j]) max = A[i][j];

if (min > A[i][j]) min = A[i][j];

sum+=A[i][j];

k++;

cout<<setw(6)<<A[i][j];

}

else cout<<setw(6)<<" ";

}

cout<<"\n";

}

cout<<"\n========= # 11 ===========\n";

cout<<"\nMax = "<<max<<"\nMin = "<<min<<"\nSum = "<<sum<<" kol = "<<k<<" Sr = "<<sum/(double)k;

//#12

max=A[0][0];min=A[0][0];

sum=0; k=0;

cout<<"\n========= # 12 ===========\n";

for(i=0;i<N;i++)

{

for(j=0;j<M;j++)

{

if ((( (i<(N+1)/2)) && ((j>=0 && j<=i) || (j>=M-i-1 && j<M))) ||

(( (i>=(N+1)/2))&& ((j>=0 && j<=M-i-1) || (j>=i && j<M)))

)

{

if (max < A[i][j]) max = A[i][j];

if (min > A[i][j]) min = A[i][j];

sum+=A[i][j];

k++;

cout<<setw(6)<<A[i][j];

}

else cout<<setw(6)<<" ";

}

cout<<"\n";

}

cout<<"\n========= # 12 ===========\n";

cout<<"\nMax = "<<max<<"\nMin = "<<min<<"\nSum = "<<sum<<" kol = "<<k<<" Sr = "<<sum/(double)k;

}

Задача № 4. Задача (№ 369). Дана квадратная матрица размерностью N. Повернуть матрицу по часовой стрелке на 90, 180, 270 градусов.