小北的身高是 1.65 米。班上有 n 个小朋友，小北想和身高最接近自己的人交朋友。如果有多个小朋友
与小北的身高差相同，小北想和其中身高较矮的第一个小朋友做朋友。横线处应该填入的是（ ）。
int n, i;float target, h, best_height, min_diff, diff; cout << "请输入小朋友的人数: ";cin >> n;target = 1.65;best_height = 0.0;min_diff = 100.0; for (i = 0; i < n; i++) { cout << "请输入第 " << (i + 1) << " 个小朋友的身高: "; cin >> h; if (h > target) diff = h - target; else diff = target - h; if (diff < min_diff) { min_diff = diff; best_height = h; } else if (diff == min_diff) { __________________ __________________ }} cout << "小北的朋友身高为:" << best_height;