what about c++ its giving me issues
I had this question after viewing 2d array Grade Book.
int minimum (int scores[4] [3])
{
int min, i,j;
min = scores[0][0];
for ( i = 0; i<4; ++i )
for (j=0; j<3; ++j)
if ( scores[i][j] < min )
min= scores[i][j];
return min;
}
//function for Maximum Value
int maximum (int values[4][3])
{
int max, i,j;
max = values[0][0];
for ( i = 0; i<4; ++i )
for (j=0; j<3; ++j)
if ( values[i][j] > max )
max= values[i][j];
return max;
}
//function for Average
float average (int values[4][3])
{float sum=0.0;
int count=0;
float Average;
int i,j;
for(i=0;i<4;++i)
for(j=0;j<3;++j)
{
sum=sum+values[i][j];
++count;
}
Average=sum/count;
return Average;
}
//function to find student average
float studentavg (int values[4][3])
float finalmark;
finalmark=values[0][0];
{
for ( j=0;i<3;++j){
for( i=0;i<4;++i){
int rowsum=rowsum+values[i][j];
finalmark=rowsum/3;
printf("Student's final mark is %.2f\n", finalmark);
}
}
//Main Program
int main (void)
{
int values[4][3], i,j,min,max,sum=0,count=0;
float Average,finalmark;
int rowsum=0;
int minimum (int values[4][3]);
int maximum (int values[4][3]);
float average (int values[4][3]);
float studentavg (int values[4][3]);
printf ("Enter Values: \n");
for ( i = 0; i< 4; i++ ) {
for ( j = 0; j< 3; j++ ) {
printf(" values[%i][%i] = ", i,j, values[i][j] );
scanf("%i", &values[i][j]);
}
}
printf("\n");
printf("\n");
printf("\n");
min = minimum(values);
max = maximum(values);
Average = average(values);
finalmark=studentavg(values);
printf(" The minimum value is %i\n", min);
printf(" The maximum value is %i\n", max);
printf (" The Class final mark is %.2f\n", Average);
return 0;
}
}
}
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You have a bunch of compiler errors. Below code now compiles. See "you forgot" to see minor changes.
(Also, when posting, use the code tags - hit the CODE button in the post to create the tags, and insert the code between the tags.)
#include <stdio.h> // you forgot to include this include
int minimum (int scores[4] [3])
{
int min, i,j;
min = scores[0][0];
for ( i = 0; i<4; ++i )
for (j=0; j<3; ++j)
if ( scores[i][j] < min )
min= scores[i][j];
return min;
}
//function for Maximum Value
int maximum (int values[4][3])
{
int max, i,j;
max = values[0][0];
for ( i = 0; i<4; ++i )
for (j=0; j<3; ++j)
if ( values[i][j] > max )
max= values[i][j];
return max;
}
//function for Average
float average (int values[4][3])
{float sum=0.0;
int count=0;
float Average;
int i,j;
for(i=0;i<4;++i)
for(j=0;j<3;++j)
{
sum=sum+values[i][j];
++count;
}
Average=sum/count;
return Average;
}
//function to find student average
float studentavg (int values[4][3])
{ // you forgot the {
float finalmark;
finalmark=values[0][0];
{
for ( int j=0;j<3;++j){ // you forgot to declare j as an int; replaced i with j
for( int i=0;i<4;++i){ // you forgot to declare i as an int
int rowsum=rowsum+values[i][j];
finalmark=rowsum/3;
printf("Student's final mark is %.2f\n", finalmark);
}
}
} //// I think you forgot a couple of }
} //// Hard to tell due to lack of consistent indentation
//Main Program
int main (void)
{
int values[4][3], i,j,min,max,sum=0,count=0;
float Average,finalmark;
int rowsum=0;
int minimum (int values[4][3]);
int maximum (int values[4][3]);
float average (int values[4][3]);
float studentavg (int values[4][3]);
printf ("Enter Values: \n");
for ( i = 0; i< 4; i++ ) {
for ( j = 0; j< 3; j++ ) {
printf(" values[%i][%i] = ", i,j, values[i][j] );
scanf("%i", &values[i][j]);
}
}
printf("\n");
printf("\n");
printf("\n");
min = minimum(values);
max = maximum(values);
Average = average(values);
finalmark=studentavg(values);
printf(" The minimum value is %i\n", min);
printf(" The maximum value is %i\n", max);
printf (" The Class final mark is %.2f\n", Average);
return 0;
}
// you forgot to get rid of these extra }
// } // probably due to lack of proper indentation
// }
(Also, when posting, use the code tags - hit the CODE button in the post to create the tags, and insert the code between the tags.)
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thanks very much it worked just have to change the output a little again, was my first time using it was helping out a friend, i get mixed with java.
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C++
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int rowsum=rowsum+values[i][j]
You need the declaration of
rowsum out side the inner for loop and initialize it to 0.