```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 ``` ```#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"); } } void Tim2GiaTriGanNhauNhat(int a[][MAX], int n, int &x1, int &x2) { int KhoangCach = abs(a[0][0] - a[0][1]); // khởi tạo x1 = a[0][0]; x2 = a[0][1]; int i, j; for(i = 0; i < n; i++) { for(j = 0; j < n; j++) { if(i == n - 1 && j == n - 1) // Nếu ma trận chỉ có 1 phần tử { break; } for(int k = i; k < n; k++) { for(int h = 0; h < n; h++) { if(k == i && h <= j) { continue; } if(KhoangCach > abs(a[i][j] - a[k][h])) { KhoangCach = abs(a[i][j] - a[k][h]); x1 = a[i][j]; x2 = a[k][h]; } } } } } } int main() { int a[MAX][MAX], n, x1, x2; NhapMaTran(a,n); XuatMaTran(a,n); Tim2GiaTriGanNhauNhat(a, n, x1, x2); printf("\n2 Gia tri gan nhau nhat la %d va %d", x1, x2); getch(); return 0; } ```
 ```1 2 3 4 5 6 7 ``` ```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 t.c: At top level: Line 39: error: expected ';', ',' or ')' before '&' token ```