#include <stdio.h>
#define student 3
#define exam 4
int muximum(const int grades[][exam]);
 
int main(void) {
int	studentsgrades[student][exam]={{77,68,86,73},{96,87,89,78},{70,90,86,81}};
	printf("max %d " ,muximum(studentsgrades)) ;
 
	return 0;}
 
	int muximum(const int grades[][exam]){
	int high=0;
 
	for(int i=0;i<student;i++)
	{for(int j=0;j<exam;j++){
	if(grades[i][j]>high)
	high=grades[i][j];}};
	// your code goes here
	return high;}
 
 

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