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- #include <iostream>
- #include <cstdlib>
- #include <time.h>
- using namespace std;
- const int M = 5, N = 4;
- void nacitajMaticu(int matica[M][N])
- {
- for(int i = 0; i < 5; i++)
- {
- for(int j = 0; j < 4; j++)
- matica[i][j] = rand()% 10+1;
- }
- }
- void vypis(int matica[M][N])
- {
- for(int i = 0; i < 5; i++)
- {
- for(int j = 0; j < 4; j++)
- {
- cout.width(5);
- cout << matica[i][j] << " ";
- }
- cout <<endl;
- }
- }
- void sucetRiadku(int matica[M][N], int R)
- {
- int V = 0;
- for (int i = 0; i < 4; i++)
- {
- V += matica[R][i];
- }
- cout << endl << V;
- }
- void najvacsie(int matica[M][N])
- {
- int max = 0;
- for(int i = 0; i < 5; i++)
- {
- for(int j = 0; j < 4; j++)
- {
- if(matica[i][j] > max)
- max = matica[i][j];
- }
- }
- cout << endl << max;
- }
- void nasob(int matica[M][N], int krat)
- {
- for(int i = 0; i < 5; i++)
- {
- for(int j = 0; j < 4; j++)
- matica[i][j] *= krat;
- }
- }
- int main()
- {
- srand((unsigned int)time(NULL));
- int matica[M][N];
- int R = 0, krat;
- nacitajMaticu(matica);
- vypis(matica);
- cout << endl << "Zadaj sucet ktoreho riadku chces R: ";
- cin >> R;
- sucetRiadku(matica, R);
- najvacsie(matica);
- cout << endl << "zadaj krat: ";
- cin >>krat;
- nasob(matica,krat);
- vypis(matica);
- return 0;
- }
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