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#include<stdio.h> #include<conio.h> #include<math.h> #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]); } } int kiemtrahoanthien(int n) { int i = 1; int S = 0; while(i < n) { if(n % i == 0) { S = S + i; } i++; } if(S == n) return 1; else return 0; } int timvitrisohoanthiendau(int a[], int n) { for(int i = 0; i < n; i++) { if(kiemtrahoanthien(a[i]) == 1) { return i; } } return -1; } int TimHoanThienBeNhat(int a[], int n, int ViTriHoanThienDau) { int HoanThienMin = a[ViTriHoanThienDau]; for (int i = ViTriHoanThienDau + 1; i < n; i++) { if (kiemtrahoanthien(a[i]) == 1 && a[i] < HoanThienMin) { HoanThienMin = a[i]; } } return HoanThienMin; } int main() { int n; int a[MAX]; nhap(a, n); xuat(a, n); int vitrihoanthiendau = timvitrisohoanthiendau(a, n); if(vitrihoanthiendau == -1) { printf("\nmang khong co so hoan thien"); } else { printf("\nVi tri hoan thien dau la %d", vitrihoanthiendau); int hoanthienmin = TimHoanThienBeNhat(a, n, vitrihoanthiendau); printf("\nso hoan thien be nhat la %d", hoanthienmin); } getch(); return 0; }
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