remove the ; from the for loops first. Then try again

for(count=0;count<NO_OF_JUDGES;count++); <-----
{
fscanf(Input, "%f\n", &Competitors[i].JudgesScores[NO_OF_JUDGES]);
}


for(count=0;count<NO_OF_JUDGES;count++); <------
{
fprintf(Input, "%f", &Competitors[i].JudgesScores[NO_OF_JUDGES]);
}