DS1-2015

TP2/E4.c

@@ -0,0 +1,37 @@
+/* Tableau des différences */
+
+#include <stdio.h>
+
+#define N 10
+
+void soustraire(int A[N], int R[N], int n) {
+    int i;
+    for (i = 0; i < n-1; i++) {
+        R[i] = A[i+1] - A[i];        
+    }
+}
+
+void afficherTableau(int A[N], int n) {
+    int i;
+    for (i = 0; i < n; i++) {
+        printf("%11i ", A[i]);
+    }
+    printf("\n");
+
+}
+
+int main() {
+
+    int X[N] = {2,8,-3,5,9,-4,-2,0,1,16};
+    int DX[N][N];
+    int i;
+    afficherTableau(X, N);
+    soustraire(X, DX[0], N);
+    afficherTableau(DX[0], N-1);
+    for (i = 0; i < N-1; i++) {
+        soustraire(DX[i], DX[i+1], N-i);
+        printf("-- D%dX", i+1);
+        afficherTableau(DX[i], N-i-1);
+    }
+    return 0;
+}