文档介绍：#include <> void main () { float average ( float array [10]) ; /*函数声明*/ float score[10] , aver ; int i; printf (″ input 10 scores :\n ″); for (i=0;i<10;i++= scanf (″%f ″,& score [i]); printf (″\n ″); aver = average ( score ); printf (″ average score is %5 .2f \n″, aver ); } #include <> void main () { float average ( float array [10]) ; /*函数声明*/ float score[10] , aver ; int i; printf (″ input 10 scores :\n ″); for (i=0;i<10;i++= scanf (″%f ″,& score [i]); printf (″\n ″); aver = average ( score ); printf (″ average score is %5 .2f \n″, aver ); } float average ( float array [10]) { int i; float aver ,sum=array [0]; for ( i=1;i<10;i++= ) sum=sum+array[i]; aver=sum/10; return ( aver ); } float average ( float array [10]) { int i; float aver ,sum=array [0]; for ( i=1;i<10;i++= ) sum=sum+array[i]; aver=sum/10; return ( aver ); } 运行情况如下: input 10 scores : 100 56 78 98 .5 76 87 99 67 .5 7 597 ↙ average score is #include <> void main () { float average ( float array[ ], int n) float score_1[5] ={,97,9 ,60,55 }; float score_2 [10] ={ , ,99,, 77, , ,54,60, }; printf( “ the average of class A is % \n”, average(score_1 , 5)); printf( “ the average of class B is % \n”, average(score_2 , 10)); } #include <> void main () { float average ( float array[ ], int n) float score_1[5] ={,97,9 ,60,55 }; float score_2 [10] ={ , ,99,, 77, , ,54,60, }; printf( “ the average of class A is % \n”, average(score_1 , 5)); printf( “ the average of class B is % \n”, average(score_2 , 10)); } float average ( float array[ ], int n) { int i; float aver ,sum=array[0]; for (i=1;i<n;i++= sum = sum + array [i]; aver = sum /n; return (aver); } float average ( float array[ ], int n) { int i; float aver ,sum=array[0]; for (i=1;i<n;i++= sum = sum + array [i]; aver = sum /n; return (aver); } 运行结果如下: the ave