>>868
Ａ
① {{50,85,70,65},{90,80,85,65},{70,75,65,80},{60,95,80,75}};
② for (i = 0; i < PERSON_NUM; i++) {
③ for (i = 0; i < PERSON_NUM; i++) {
④ personalAverage[i] += record[i][j];
⑤ for (j = 0; j < SUBJECT_NUM; j++) {
⑥ subjectAverage[j] += record[i][j];

Ｂ
① for( i = 0; i < stn; i++) {
② st[i].student_id,st[i].name,st[i].m_english,st[i].m_math,st[i].m_chemistry,st[i].m_physics);
③ st[i].student_id,st[i].name,st[i].m_english,st[i].m_math,st[i].m_chemistry,st[i].m_physics);
④ personalAverage[i] = (double)(st[i].m_english+st[i].m_math+st[i].m_chemistry+st[i].m_physics)/SUBJECT_NUM;
⑤ subjectAverage[0] += st[i].m_english;
⑥ subjectAverage[1] += st[i].m_math;
⑦ subjectAverage[2] += st[i].m_chemistry;
⑧ subjectAverage[3] += st[i].m_physics;