#include<iostream>
using namespace std;
void main()
{
	int ROWS, COLS;
	cout << "ROWS:"; cin >> ROWS;
	cout << "COLS:";cin>> COLS;
	int** matrix = new int*[ROWS];//ob
	int* vector = new int[ROWS];

	for (int i = 0; i < ROWS; i++)
	{
		matrix[i] = new int[COLS];
		vector[i] = 0;
	}
	for (int a = 0; a < ROWS; a++)//init
	{
		for (int b = 0; b < COLS; b++)
		{
			cout << "matrix[" << a << "]" << "[" << b << "]:";
			cin >> matrix[a][b];
		}
	}
	for (int a = 0,p=0; a < ROWS; a++)//task
	{
		for (int b = 0; b < COLS; b++)
		{
			if (matrix[a][b] < 0)
			{
				for (int v = 0; v < COLS; v++)
				{
					vector[p] +=matrix[a][v];
				}
				cout << "Sum of elements in row with number "<<a<<" is " << vector[p]<<endl;
				p++;
				break;
			}
		}
	}
	for (int i = 0; i < ROWS; i++)//delete
	{
		delete[]matrix[i];
	}
	delete[]matrix;
	delete[] vector;
}