101302008 微控-實驗三 [無亂碼]

    /*------------------------------------------------------------------------------
    HELLO.C
    Copyright 1995-1999 Keil Software, Inc.
    ------------------------------------------------------------------------------*/
    #include <REG52.H>                /* special function register declarations   */
                                      /* for the intended 8051 derivative         */
    #include <stdio.h>                /* prototype declarations for I/O functions */
    #ifdef MONITOR51                         /* Debugging with Monitor-51 needs   */
    char code reserve [3] _at_ 0x23;         /* space for serial interrupt if     */
    #endif                                   /* Stop Exection with Serial Intr.   */
                                            /* is enabled                        */

    void swap(int *a, int *b)
    {
        int tmp=*b;
        *b = *a;
        *a = tmp;

    }

    /*------------------------------------------------
    The main C function.  Program execution starts
    here after stack initialization.
    ------------------------------------------------*/
    int main (void)
    {   //=============變數請宣告於下方=============//
         int score[2][10]={{0},{0}};
         int i,j,count=0;

        /*------------------------------------------------
        設定串列埠(19200 BAUD 11.0592MHZ)
        ------------------------------------------------*/
        #ifndef MONITOR51               /*設定串列埠(19200 BAUD 11.0592MHZ)              */
            SCON  = 0x50;               /* SCON: mode 1, 8-bit UART, enable rcvr      */
            TMOD |= 0x20;               /* TMOD: timer 1, mode 2, 8-bit reload        */
            TH1   = 0xfd;               /* TH1:  reload value for 9600 baud @ 11.0592MHZ  */
            PCON |= 0x80;               /* SMOD=1: Double the baud rate to 19200 @ 11.0592MHZ */
            TR1   = 1;                  /* TR1:  timer 1 run                          */
            TI    = 1;                  /* TI:   set TI to send first char of UART    */
        #endif
        /*------------------------------------------------
        Note that an embedded program never exits (because
        there is no operating system to return to).  It
        must loop and execute forever.
        ------------------------------------------------*/
        //=============程式碼請撰寫於下方=============//

            printf("輸入學號 在輸入分數 共十組:\n");
            for(i=0;i<10;i++)
                scanf("%d%d",&score[0][i],&score[1][i]);


            for(i=10;i>0;i--) {
                for(j=0;j<i-1;j++) {
                    if(score[1][j]>score[1][j+1]){
                        swap(&score[0][j], &score[0][j+1]);
                        swap(&score[1][j], &score[1][j+1]);
                        count++;
                        }
                }
            }
            printf("\n由小排到大後:\n學號\t分數\n");
            for(i=0;i<10;i++)
            printf("%d\t%d\n", score[0][i],score[1][i] );
            printf("%d",count);

            while(1);

    }//=====================程式碼結束=====================//