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bai4.15.c
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#include <stdio.h>
void nhapMang(int *a, int *n) {
printf("Nhap phan tu mang: ");
scanf("%d", n);
int i;
for(i = 0; i < *n; i++) {
printf("Phan tu thu %d = ", i);
scanf("%d", &a[i]);
}
}
void nhapK(int *k, int n) {
*k = -1;
while(*k < 0 || *k >= n) {
printf("Nhap gia tri 0 <= k < %d", n);
scanf("%d", k);
}
}
void hienThi(int *a, int n) {
int i;
for(i = 0; i < n; i++) {
printf("%5d", a[i]);
}
printf("\n");
}
void chen(int *a, int n, int *b, int m, int k) {
// don phai
int i;
for(i = m + n - 1; i >= k; i--) {
a[i] = a[i - m];
}
// gan gia tri mang b vao mang a
for(i = k; i < k + m; i++) {
a[i] = b[i - k];
}
}
int main() {
int a[100];
int b[100];
int m, n, k;
printf("Nhap mang A: \n");
nhapMang(a, &n);
printf("Nhap mang B: \n");
nhapMang(b, &m);
nhapK(&k, n);
printf("Mang A truoc khi chen: ");
hienThi(a, n);
printf("Mang B: ");
hienThi(b, m);
printf("Mang A sau khi chen: ");
chen(a, n, b, m, k);
hienThi(a, m + n);
return 0;
}