计算随机输入数字的平均值

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
* @file 
* @author Sam Liu 
* @remarks Modified by Sam Liu 
* @version 1.0 
* @section Brief 
* Modified at: 2014/01/15 16:28 
* 
* 计算平均值 
* 
* Copyright (C) XXXXXXXX., XXXXXXXXX. 
* All rights reserved. 
* 
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include
int main(){
    /* declaration */
    int int_score;
    int int_sum;
    int int_count;
    float float_average;

    /* initialization */
    int_sum = 0;
    int_count = 1;
    float_average = 0;

    printf("Enter the %d student`s score(Enter -1 to end): ", int_count);
    scanf("%d", &int_score);

    while(int_score != -1){
        int_sum = int_sum + int_score;
        int_count = int_count + 1;
        printf("Enter the %d student`s score(Enter -1 to end): ", int_count);
        scanf("%d", &int_score);
    }

    if(int_count - 1 != 0){ /* avoid the int_count = 0 */
        float_average = (float)int_sum / (int_count - 1); /* convert the integer to float */
        printf("the sum is: %d\n", int_sum);
        printf("the average is: %.2f\n", float_average);
    }
    else{
        printf("%s", "No record!\n");
    }

    return 0;
}