#include<iostream>
#include<iomanip>

using namespace std;

const int students = 3;
const int exams = 4;
int minimum(int[][exams], int i, int j);
int maximum(int[][exams], int i, int j);
double average(int total[],int i);
void printArray(int[][exams],int,int);
int studentGrades[students][exams] = {{77,68,86,73},{96,87,89,78},{70,90,86,81}};

//int total[3]={0,};

void main()
{
 int usingNum;
 int total[3];
 printArray(studentGrades,exams,students);
 minimum(studentGrades,exams,students);
 maximum(studentGrades,exams,students);
 average(total,usingNum);

}

int minimum(int studentGrades[][exams],int j,int i)
{
 int temp;
 temp = studentGrades[0][0];
 for(i=0; i<3; i++)
 {
  for(j=0;j<4;j++)
  {
   if(temp>studentGrades[i][j])
    temp = studentGrades[i][j];
  }
 }

 
 cout<<"Lowest grade: "<<temp<<"\\n";

 return 0;

}

int maximum(int[][exams],int i,int j)
{
 int temp;
 temp = studentGrades[0][0];
 for(i=0; i<3; i++)
 {
  for(j=0; j<4; j++)
  {
   if(studentGrades[i][j]>temp)
    temp=studentGrades[i][j];
  }
 }
 cout<<"Highest grade: "<<temp<<"\\n";

 return 0;
}

double average(int total[students],int i)
{
//or total[3]={0,};
 double averageStudent[students];
 for(i=0; i<4; i++)
 {
  total[0] += studentGrades[0][i];
  total[1] +=studentGrades[1][i];
   total[2] +=studentGrades[2][i];
 }
 
 
 for(i=0; i<3; i++)
 {
   averageStudent[i]= (double)total[i]/(double)4;
 }

 for(i=0; i<3; i++)
 {
  cout<<"The average grade for students 0 is "<<averageStudent[i]<<"\\n";
 }

 return 0;
}

void printArray(int studentGrades[][exams],int i,int j)
{
 cout<<"The array is: \\n";
 cout<<"    [0]   [1]   [2]   [3]\\n";
 for(i=0;i<3;i++)
 {
  cout<<"studentGrades["<<i<<"]";
 
  for(j=0;j<4;j++)
  {
   cout<<"  "<<studentGrades[i][j]<<"  ";
  }
  cout<<"\\n";

 }
 cout<<"\\n\\n";
 
}
자꾸질문올려서 죄송해요 책도찾아보고 인터넷도찾아보고 했는데...
아까도 맨첨에다 int total[3]={0,}; 해보고안돼서 지우고
함수안에다가 total[3]={0,};해봤는데요;

함수안에다가 total[3]={0,};히면
"{"위치가 잘못됐다고 syntax error \'{\' m missing\';\' before\'{\' , \'}\' 가떠서요....