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- #include <iostream>
- #include <time.h>
- using namespace std;
- const int N = 3;
- const int P = 4;
- int sum(int* a, int N)
- {
- int sum = 0;
- for (int i = 0; i < N; i++)
- {
- sum += a[i];
- }
- return sum;
- }
- void cinn(int a[N][P], int N, int P)
- {
- cout << "Введите элементы массива" << endl;
- for (int i = 0; i < N; i++)
- {
- for (int j = 0; j < P; j++)
- {
- cin >> a[i][j];
- }
- cout << endl;
- }
- }
- void coutt(int a[N][P], int N, int P)
- {
- cout << "Вывод элементов " << endl;
- for (int i = 0; i < N; i++)
- {
- for (int j = 0; j < P; j++)
- {
- cout << a[i][j] << " ";
- }
- cout << endl;
- }
- cout << endl;
- }
- void sum_row(int a[N][P], int N, int P)
- {
- cout << "Сумма элементов по строкам " << endl;
- for (int k = 0; k < N; k++)
- {
- cout << sum(a[k], P) << " " << endl;
- }
- cout << endl;
- }
- void sort(int a[N][P], int N, int P)
- {
- for (int i = 0; i < N - 1; i++)
- {
- for (int j = i + 1; j < N; j++)
- {
- if (sum(a[i], P) < sum(a[j], P))
- {
- swap(a[i], a[j]);
- }
- }
- }
- }
- void rez(int a[N][P], int N, int P)
- {
- cout << "Результат " << endl;
- for (int i = 0; i < N; i++)
- {
- for (int j = 0; j < P; j++)
- cout << a[i][j] << " ";
- cout << endl;
- }
- }
- int main()
- {
- int a[N][P];
- setlocale(LC_ALL, "Rus");
- srand(time(NULL));
- cout << "Сортировать строк по убыванию их сумм по строкам" << endl;
- cinn(a, N, P);
- coutt(a, N, P);
- sum_row(a, N, P);
- sort(a, N, P);
- rez(a, N, P);
- return 0;
- }
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