第10课。

10/Optional01.c

@@ -0,0 +1,36 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdbool.h>
+
+int main() {
+    char str[2][26] = {0};
+    int count[2][26] = {0};
+    int i = 0, length = 0;
+    bool same = true;
+    scanf("%s", str[0]);
+    scanf("%s", str[1]);
+    if (strlen(str[0]) != strlen(str[1])) {
+        printf("0");
+    }
+    else {
+        length = strlen(str[0]);
+        for (i = 0; i < length; i++) {
+            count[0][str[0][i]%26]++;
+            count[1][str[1][i]%26]++;
+        }
+        for (i = 0; i < 26; i++) {
+            if (count[0][i] != count[1][i]) {
+                same = false;
+                break;
+            }
+        }
+        if (same) {
+            printf("1");
+        }
+        else {
+            printf("0");
+        }
+        printf("\n");
+    }
+    return 0;
+}