```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 83 84 85 86 87 ``` ```#include #include #include #define MAX 100 void NhapMaTran(int a[][MAX], int &n) { do { printf("\nNhap n: "); scanf("%d", &n); if(n < 1 || n > MAX) { printf("\nSo phan tu khong hop le. Xin kiem tra lai !"); } }while(n < 1 || n > MAX); for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { printf("\nNhap vao a[%d][%d] = ", i, j); scanf("%d", &a[i][j]); } } } void XuatMaTran(int a[][MAX], int n) { for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { printf("%4d",a[i][j]); } printf("\n\n"); } } int KiemTraNguyenTo(int n) { if(n < 2) { return 0; } else if(n > 2) { if(n % 2 == 0) { return 0; } for(int i = 3; i <= sqrt((float)n); i += 2) { if(n % i == 0) { return 0; } } } return 1; } int DemSoLuongSoNguyenTo(int a[][MAX], int n) { int dem = 0; for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { if(KiemTraNguyenTo(a[i][j]) == 1) { dem++; } } } return dem; } int main() { int a[MAX][MAX], n; NhapMaTran(a,n); XuatMaTran(a,n); int dem = DemSoLuongSoNguyenTo(a, n); printf("\nSo luong so nguyen to trong ma tran vuong = %d", dem); getch(); return 0; } ```
 ```1 2 3 4 5 6 7 8 9 10 ``` ```Line 17: error: conio.h: No such file or directory Line 5: error: expected ';', ',' or ')' before '&' token In function 'XuatMaTran': Line 29: error: 'for' loop initial declaration used outside C99 mode Line 31: error: 'for' loop initial declaration used outside C99 mode In function 'KiemTraNguyenTo': Line 51: error: 'for' loop initial declaration used outside C99 mode In function 'DemSoLuongSoNguyenTo': Line 65: error: 'for' loop initial declaration used outside C99 mode Line 67: error: 'for' loop initial declaration used outside C99 mode ```