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- #include <iostream>
- #include <vector>
- #include <cstdlib>
- #include <time.h>
- using namespace std;
- void print_array(vector<vector<int> > arg){
- for(int i = 0; i < arg.size(); i++){
- for(int j = 0; j < arg[i].size(); j++){
- cout << ' '<< arg[i][j];
- }
- cout << endl;
- }
- }
- void print_array(vector<int> arg){
- for(int i = 0; i < arg.size(); i++){
- cout << ' ' << arg[i];
- }
- cout << endl;
- }
- vector<int> rand_arr(){
- int tmp = 0;
- vector<int> output;
- int arr_size = rand() % 5 + 1;
- for(int i = 0; i <= arr_size; i++){
- tmp = rand() % 5 -2;
- output.push_back(tmp);
- }
- return output;
- }
- int main(){
- int rows = 0;
- vector<vector<int> > source;
- vector<int> positive;
- vector<int> negative;
- srand(time(NULL));
- rows = rand() % 5 + 1;
- for(int i = 0; i < rows; i++){
- source.push_back(rand_arr());
- }
- cout << "initial array:\n";
- print_array(source);
- for(int i = 0; i < source.size(); i++){
- for(int j = 0; j < source[i].size(); j++){
- if(source[i][j] > 0){
- positive.push_back(source[i][j]);
- }
- if(source[i][j] < 0){
- negative.push_back(source[i][j]);
- }
- }
- }
- cout << "positive numbers: \n";
- print_array(positive);
- cout << "negative numbers: \n";
- print_array(negative);
- return 0;
- }
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