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#include <iostream>
using namespace std;
 
int main() {
	// your code goes here
	char choice;
	char store [4] = {'1','2','3','4'};
 
	//4 rows by 3 columns
	char groceries [4][3] = {{'1', '2', '3'},
              {'15', '25', '13'},
              {'20', '74', '67'},
              {'21', '75', '68'},
              {'11', '18', '14'}};
 
	return 0;
}

prog.cpp:11:16: warning: multi-character character constant [-Wmultichar]
               {'15', '25', '13'},
                ^
prog.cpp:11:22: warning: multi-character character constant [-Wmultichar]
               {'15', '25', '13'},
                      ^
prog.cpp:11:28: warning: multi-character character constant [-Wmultichar]
               {'15', '25', '13'},
                            ^
prog.cpp:12:16: warning: multi-character character constant [-Wmultichar]
               {'20', '74', '67'},
                ^
prog.cpp:12:22: warning: multi-character character constant [-Wmultichar]
               {'20', '74', '67'},
                      ^
prog.cpp:12:28: warning: multi-character character constant [-Wmultichar]
               {'20', '74', '67'},
                            ^
prog.cpp:13:16: warning: multi-character character constant [-Wmultichar]
               {'21', '75', '68'},
                ^
prog.cpp:13:22: warning: multi-character character constant [-Wmultichar]
               {'21', '75', '68'},
                      ^
prog.cpp:13:28: warning: multi-character character constant [-Wmultichar]
               {'21', '75', '68'},
                            ^
prog.cpp:14:16: warning: multi-character character constant [-Wmultichar]
               {'11', '18', '14'}};
                ^
prog.cpp:14:22: warning: multi-character character constant [-Wmultichar]
               {'11', '18', '14'}};
                      ^
prog.cpp:14:28: warning: multi-character character constant [-Wmultichar]
               {'11', '18', '14'}};
                            ^
prog.cpp: In function 'int main()':
prog.cpp:14:33: error: too many initializers for 'char [4][3]'
               {'11', '18', '14'}};
                                 ^
prog.cpp:14:33: warning: overflow in implicit constant conversion [-Woverflow]
prog.cpp:14:33: warning: overflow in implicit constant conversion [-Woverflow]
prog.cpp:14:33: warning: overflow in implicit constant conversion [-Woverflow]
prog.cpp:14:33: warning: overflow in implicit constant conversion [-Woverflow]
prog.cpp:14:33: warning: overflow in implicit constant conversion [-Woverflow]
prog.cpp:14:33: warning: overflow in implicit constant conversion [-Woverflow]
prog.cpp:14:33: warning: overflow in implicit constant conversion [-Woverflow]
prog.cpp:14:33: warning: overflow in implicit constant conversion [-Woverflow]
prog.cpp:14:33: warning: overflow in implicit constant conversion [-Woverflow]

Standard output is empty