// 用二维数组表示的学生成绩:
int[][] scores = {
{ 82, 90, 91 },
{ 68, 72, 64 },
{ 95, 91, 89 },
{ 67, 52, 60 },
{ 79, 81, 85 },
};
// TODO:
double average = 0;
int item = 0;
int tot=0;
for(int[] s : scores){
item+=s.length;
for(int t:s){
tot+=t;
}
average=(1.0*tot)/item;
System.out.println(average);
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rb-h浪子-含笑
// 用二维数组表示的学生成绩:
int[][] scores = {
{ 82, 90, 91 },
{ 68, 72, 64 },
{ 95, 91, 89 },
{ 67, 52, 60 },
{ 79, 81, 85 },
};
// TODO:
double average = 0;
int item = 0;
int tot=0;
for(int[] s : scores){
item+=s.length;
for(int t:s){
tot+=t;
}
}
average=(1.0*tot)/item;
System.out.println(average);