C++的字符串多行输入

#include<iostream>
using namespace std;
int main() {
	int r, c;
	char grid[50][51];
	cout << "please input row and column :"<<endl;
	cin >> r>>c ;
	for (int i = 0; i < r; i++)
		cin >> grid[i];
	for (int i = 0; i < r; i++)
	{
		for (int j = 0; j < c; j++)
		　　cout << grid[i][j];
		　　cout << endl;
	}
	return 1;

}