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Copy pathDivide_and_Conquer.c
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Divide_and_Conquer.c
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#include <stdio.h>
void penjumlahan(int A[][100], int B[][100], int C[][100], int Baris_Awal, int Kolom_Awal, int Ukuran) {
if (Ukuran == 1) {
C[Baris_Awal][Kolom_Awal] = A[Baris_Awal][Kolom_Awal] + B[Baris_Awal][Kolom_Awal];
return;
}
int Ukuran_sub_matriks = Ukuran / 2;
//atas-kiri
penjumlahan(A, B, C, Baris_Awal, Kolom_Awal, Ukuran_sub_matriks);
//atas-kanan
penjumlahan(A, B, C, Baris_Awal, Kolom_Awal + Ukuran_sub_matriks, Ukuran_sub_matriks);
//bawah-kiri
penjumlahan(A, B, C, Baris_Awal + Ukuran_sub_matriks, Kolom_Awal, Ukuran_sub_matriks);
//bawah-kanan
penjumlahan(A, B, C, Baris_Awal + Ukuran_sub_matriks, Kolom_Awal + Ukuran_sub_matriks, Ukuran_sub_matriks);
}
int main() {
int Ukuran;
printf("Masukkan ukuran matriks: ");
scanf("%d", &Ukuran);
int A[100][100], B[100][100], C[100][100];
printf("Masukkan elemen-elemen matriks A:\n");
for (int i = 0; i < Ukuran; i++) {
for (int j = 0; j < Ukuran; j++) {
scanf("%d", &A[i][j]);
}
}
printf("Masukkan elemen-elemen matriks B:\n");
for (int i = 0; i < Ukuran; i++) {
for (int j = 0; j < Ukuran; j++) {
scanf("%d", &B[i][j]);
}
}
int Ukuran_sub_matriks = 1;
while (Ukuran_sub_matriks < Ukuran) {
Ukuran_sub_matriks *= 2;
}
penjumlahan(A, B, C, 0, 0, Ukuran_sub_matriks);
printf("Hasil penjumlahan matriks:\n");
for (int i = 0; i < Ukuran; i++) {
for (int j = 0; j < Ukuran; j++) {
printf("%d ", C[i][j]);
}
printf("\n");
}
return 0;
}