int section = 0;
int high_score = 0; // highest score of section
int low_score = 0; // lowest score of section
float average_section = 0; // average of all scores in the section
float average_score = 0; // average scores of class
int total_sections = 0; // total number of sections
int total_scores = 0; // total number of scores
int A_count = 0;
int B_count = 0;
int C_count = 0;
int D_count = 0;
int F_count = 0;
int loop_count = 0;
You are expected to get the section, the Lowest Score and the Highest Score as input( Even I am not sure, whether it is so, please write the purpose of your code next time)
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cin >>section;
cin >>low_score;
cin>>high_score
but you are doing some thing else, getting section and score,
1 2
cin >>section;
cin >>score;
for this reason the following code print on screen o :-)