```1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 ``` ```#include #include #include #define MAX 100 void nhap (int a[], int &n) { do { printf("\nNhap so phan tu: "); scanf("%d", &n); if(n <= 0 || n > MAX) { printf("\nSo phan tu khong hop le. Xin kiem tra lai !"); } }while(n <= 0 || n > MAX); for(int i = 0; i < n; i++) { printf("\nNhap a[%d]: ", i); scanf("%d", &a[i]); } } void xuat(int a[], int n) { for(int i = 0; i < n; i++) { printf("%4d", a[i]); } } bool KiemTraNguyenTo(int n) { if (n < 2) { return false; } else if (n > 2) { if (n % 2 == 0) { return false; } for (int i = 3; i <= sqrt((float)n); i += 2) { if (n % i == 0) { return false; } } } return true; } void LietKeViTriNguyenTo(int a[], int n) { int flag = 0; for(int i = 0; i < n; i++) { if(KiemTraNguyenTo(a[i]) == true) { flag = 1; printf("%4d", i); } } if(flag == 0) { printf("\nKhong co so nguyen to"); } } int main() { int n; int a[MAX]; nhap(a, n); xuat(a, n); printf("\nVi tri cac so nguyen to la: "); LietKeViTriNguyenTo(a, n); getch(); return 0; } ```
 ```1 2 3 4 5 6 7 8 9 10 11 ``` ```Line 17: error: conio.h: No such file or directory Line 6: error: expected ';', ',' or ')' before '&' token In function 'xuat': Line 26: error: 'for' loop initial declaration used outside C99 mode t.c: At top level: Line 32: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'KiemTraNguyenTo' In function 'LietKeViTriNguyenTo': Line 58: error: 'for' loop initial declaration used outside C99 mode Line 60: error: 'true' undeclared (first use in this function) Line 60: error: (Each undeclared identifier is reported only once Line 60: error: for each function it appears in.) ```