```void main() {
float f, c;
char loai_nhiet_do;
printf("Chon loai nhiet do muon doi F ra C(nhap C) hay C ra F(nhap F)\n");
fflush(stdin);
scanf("%c", &loai_nhiet_do);
switch(loai_nhiet_do) {
case 'c':
printf("Nhap do F: ");
scanf("%d" &f);
c = (5*(f - 32)) / 9;
printf("= %fC", c);
break;```
lỗi đây ạ: D: invalid operands to binary & (have ‘char *’ and ‘float’)|