diff --git a/src/aaa0831.c b/src/aaa0831.c
new file mode 100644
index 0000000000000000000000000000000000000000..9cc86e54f9269c3c29732175461b8d21f63c0bfb
--- /dev/null
+++ b/src/aaa0831.c
@@ -0,0 +1,32 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+int main()
+{
+    int d1, d2, c1, c2, i, j;
+    c1 = c2 = 0;  /*初始化*/
+    srand((unsigned)time(NULL));
+    rand();  /*初始化随机数产生器*/
+    for(i=1; i<=100; i++)
+    {  /*模拟游戏过程*/
+        d1 = d2 = 0;
+        for(j=1; j<=6; j++)
+        {  /*两个人轮流掷骰子*/
+            d1 = d1+rand()+1;
+            d2 = d2+rand()+1;
+        }
+        if(d1>d2)
+            c1++;  /*累加获胜盘数*/
+        else if(d1<d2)
+            c2++;
+    }
+    if(c1>c2)  /*输出最终获胜者信息*/
+        printf("\nThe first win.\n");
+    else
+        if (c1<c2)
+            printf("\nThe second win.\n");
+        else
+            printf("They tie.\n");
+   
+    return 0;
+}
\ No newline at end of file