User:Bronkid23

1. include <stdio.h>
2. include <stdlib.h>
3. include <ctype.h>
4. define NUM_COL 3
5. define NUM_ROW 10

void header(void); char again(void); void findmean(int[][NUM_COL]); void findmax(int[][NUM_COL]);

int main() {

char doagain='y';

       while (toupper(doagain) == 'Y')
       {
       int thearray[NUM_ROW][NUM_COL];

header();

int i,j,mean; int a; FILE *infpt; char filename[30]; printf("enter the name of the file: "); fflush(stdin); scanf(" %s",filename); infpt=fopen(filename,"r"); if (infpt == 0) { printf("that's not a file. Try again please: "); doagain='y'; continue; }

for (i=0;i<NUM_COL;i++) //read in data { for (j=0;j<NUM_ROW;j++) { //fflush(stdin); fscanf(infpt," %d",&thearray[i][j]); //printf("thearray[%d][%d] is %d\n", i, j, thearray[i][j]); } }

findmean(thearray); findmax(thearray);

        doagain=again();

       }

system("pause"); printf("\n\n\n"); }

void header(void) {

       printf("this is a header\n\n");

}

void findmean(int a[][NUM_COL] ) { int sum1=0,sum2=0,mean1=0,mean2=0; int k; for (k=0;k<NUM_ROW;k++) { sum1=sum1 + a[k][1]; sum2=sum2 + a[k][2]; } mean1=sum1/NUM_COL; mean2=sum2/NUM_COL;

if (mean1>=mean2) { printf("the second column is larger than the third\n"); printf("the vaule is %d\n",mean1); } else { printf("the third column is larger than the second\n"); printf("the value is %d\n",mean2); } return; }

void findmax(int b[][NUM_COL]) { int max=0,m,n,max_pos=0; for (m=0;m<NUM_ROW;m++) { if (b[m][1]>max) { max=b[m][1]; max_pos=m+1;

} } printf("the max of colum 2 is %d\tthe position is: [%d][2]",max,max_pos); }

char again(void) {

       char doagain;
       do
       {
        printf("would you like to run the program again(y/n)?\n\n");
       fflush(stdin);
       scanf("%c",&doagain);
               }
       while (toupper(doagain) != 'Y' && toupper(doagain) != 'N');
               return(doagain);

}