C语言编写小游戏 剪刀石头布

#include
#include
#include
int main(void)
{
       char gesture[3][10] = { "scissor", "stone", "cloth" };
       int man, computer, result, ret;
       srand(time(NULL));
       while (1) {
              computer = rand() % 3;
              printf("\nInput your gesture (0-scissor 1-stone 2-cloth):\n");
              ret = scanf("%d", &man);
              if (ret != 1 || man < 0 || man > 2) {
                     printf("Invalid input! Please input 0, 1 or 2.\n");
                     continue;
              }
              printf("Your gesture: %s\tComputer's gesture: %s\n",
                     gesture[man], gesture[computer]);
              result = (man - computer + 4) % 3 - 1;
              if (result > 0)
                     printf("You win!\n");
              else if (result == 0)
                     printf("Draw!\n");
              else
                     printf("You lose!\n");
       }
       return 0;
}