I am trying to correlate the student's highest score with that student's ID. The old code is in blue and the new code is in green which includes a sort. The particular information in question is in red.
Any help would be nice,
Ide1
Code:#include <stdio.h> int main(void) { /*Set up two arrays to include up to 50 elements each.*/ int st_numval_id[50] = {0}, st_val_tstscr[50]= {0}, i = 0, j = 0, temp; int numels = 1, totalnumids = 0, sum_val_tstscrs = 0, above_ave = 0, index = 0, maxvalue = 0, maxvalue_stid = 0; int accum_A = 0, accum_B = 0, accum_C = 0, accum_D = 0, accum_F = 0; char grade[] = {'A', 'B', 'C', 'D', 'E', 'F'}, char_var = 0; float avetstscr = 0; printf("Enter the student's id and test score:\n\n"); scanf("%i", &st_numval_id[numels]); while(st_numval_id[numels] != 0 ) /*The actual id number*/ { scanf("%i", &st_val_tstscr[numels]); sum_val_tstscrs += st_val_tstscr[numels]; if ( st_val_tstscr[numels] > 89 ) { char_var = 'A'; grade[numels] = char_var; ++ accum_A; } else if ( st_val_tstscr[numels] > 79 && st_val_tstscr[numels] < 90 ) { char_var = 'B'; grade[numels] = char_var; ++accum_B; } else if ( st_val_tstscr[numels] > 69 && st_val_tstscr[numels] < 80 ) { char_var = 'C'; grade[numels] = char_var; ++accum_C; } else if ( st_val_tstscr[numels] > 59 && st_val_tstscr[numels] < 70 ) { char_var = 'D'; grade[numels] = char_var; ++accum_D; } else if ( st_val_tstscr[numels] < 60 ) { char_var = 'F'; grade[numels] = char_var; ++accum_F; } ++numels; printf("\nEnter the student's id and test score:\n"); scanf("%i", &st_numval_id[numels]); } printf ("\n Student ID Test Score Letter Grade \n"); printf (" ------------ ----------- --------------\n"); for (index = 1; index < numels ; ++index) { printf (" %i %i %c \n", st_numval_id[index], st_val_tstscr[index], grade[index] ); } totalnumids = numels; if (totalnumids == 0) /* check for divide by zero */ printf("Division by zero not allowed\n\n"); else avetstscr = (float)sum_val_tstscrs / totalnumids; /* type cast dividend to float */ for(i = 1; i < numels; ++i) { if (st_val_tstscr[i] > avetstscr) ++above_ave; } printf ("\n\n ABOVE AVERAGE STUDENTS \n\n"); printf (" Ave Test Score Students Above Ave Number of: A's B's C's D's F's\n"); printf (" ----------- ---------- --------- --- --- --- --- ---\n"); printf (" %.2f %i %i %i %i %i %i \n", avetstscr, above_ave, accum_A, accum_B, accum_C, accum_D, accum_F); maxvalue = st_val_tstscr[0]; for(i = 1; i <= numels; ++i) { if(st_val_tstscr[i] > maxvalue) maxvalue = st_val_tstscr[i]; { if (maxvalue > 89) char_var = 'A'; else if(maxvalue > 79 && maxvalue < 90) char_var = 'B'; else if(maxvalue > 69 && maxvalue < 80) char_var = 'C'; else if(maxvalue > 59 && maxvalue < 70) char_var = 'D'; else if(maxvalue < 60) char_var = 'F'; maxst_id = st_val_tstscr[i]; } } printf ("\n THE STUDENT WITH THE HIGHEST TEST SCORE \n"); printf (" Student ID Test Score Letter Grade \n"); printf (" --------- ---------- ------------\n"); printf (" %i %i %c \n\n", maxst_id, st_val_tstscr[i], char_var ); return 0; } Enter the student's id and test score: 1955 92 Enter the student's id and test score: 1030 40 Enter the student's id and test score: 1200 72 Enter the student's id and test score: 0 Student ID Test Score Letter Grade ------------ ----------- -------------- 1955 92 A 1030 40 F 1200 72 C ABOVE AVERAGE STUDENTS Ave Test Score Students Above Ave Number of A's B's C's D's F's ----------- ---------- --------- --- --- --- --- --- 51.00 2 1 0 1 0 1 THE STUDENT WITH THE HIGHEST TEST SCORE Student ID Test Score Letter Grade --------- ---------- ------------ 0 0 A for ( i = 0; i < numels-1; ++i) for( j = i +1; j < numels; ++j) if(st_val_tstscr[i] > st_val_tstscr[j]) { temp = st_val_tstscr[i]; st_val_tstscr[i] = st_val_tstscr[j]; st_val_tstscr[j] = temp; } maxvalue = st_val_tstscr[j]; maxvalue_stid = st_numval_id[j]; for( i = 0; i < numels; ++i) { if (maxvalue > 89) { char_var = 'A'; maxvalue_stid = st_numval_id[i]; } else if(maxvalue > 79 && maxvalue < 90) { char_var = 'B'; maxvalue_stid = st_numval_id[i]; } else if(maxvalue > 69 && maxvalue < 80) { char_var = 'C'; maxvalue_stid = st_numval_id[i]; } else if(maxvalue > 59 && maxvalue < 70) { char_var = 'D'; maxvalue_stid = st_numval_id[i]; } else if(maxvalue < 60) { char_var = 'F'; maxvalue_stid = st_numval_id[i]; } } printf ("\n THE STUDENT WITH THE HIGHEST TEST SCORE \n"); printf (" Student ID Test Score Letter Grade \n"); printf (" --------- ---------- ------------\n"); printf (" %i %i %c \n\n", maxvalue_stid, maxvalue, char_var ); return 0; } Enter the student's id and test score: /*After the following input, then enter 0 to end the input*/ Student ID Test Score Letter Grade ------------ ----------- -------------- 1653 77 C 1945 72 C 1020 50 F 1955 92 A 1900 81 B ABOVE AVERAGE STUDENTS Ave Test Score Students Above Ave Number of: A's B's C's D's F's ----------- ---------- --------- --- --- --- --- --- 62.00 4 1 1 2 0 1 THE STUDENT WITH THE HIGHEST TEST SCORE Student ID Test Score Letter Grade --------- ---------- ------------ 1900 0 F
Press any key to continue...
