add 2020

code_abs_distance_2020.cpp

@@ -0,0 +1,43 @@
+#include<stdio.h>
+#include<stdlib.h>
+
+//获取三个数的绝对值距离
+int getDis(int a, int b, int c) {
+    int ab = (a - b) > 0 ? (a - b) : (b - a);
+    int bc = (b - c) > 0 ? (b - c) : (c - b);
+    int ac = (a - c) > 0 ? (a - c) : (c - a);
+    if (ab >= bc && ab >= ac)return ab * 2;
+    if (bc >= ab && bc >= ac)return bc * 2;
+    if (ac >= ab && ac >= bc)return ac * 2;
+}
+
+//获取三个数中的最小值
+int getMin(int a, int b, int c) {
+    if (a <= b && a <= c)return 0;
+    if (b <= c && b <= a)return 1;
+    if (c <= a && c <= b)return 2;
+}
+
+void getAbsDis(int s1[], int s2[], int s3[], int l1, int l2, int l3) {
+    int min = INT_MAX;
+    int p1 = 0, p2 = 0, p3 = 0;
+    while (p1 < l1 && p2 < l2 && p3 < l3) {
+        int a = s1[p1], b = s2[p2], c = s3[p3];
+        if (min > getDis(a, b, c)) {
+            min = getDis(a, b, c);
+        }
+        int flag = getMin(a, b, c);
+        if (flag == 0)p1++;
+        if (flag == 1)p2++;
+        if (flag == 2)p3++;
+    }
+    printf("最小值为:%d", min);
+}
+
+int main() {
+    int s1[] = { -1,0,9 };
+    int s2[] = { -25,-10,9,11 };
+    int s3[] = { 2,9,17,30,41 };
+    getAbsDis(s1, s2, s3, 3, 4, 5);
+    return 0;
+}