int[][] scores = {
{ 82, 90, 91 },
{ 68, 72, 64 },
{ 95, 91, 89 },
{ 67, 52, 60 },
{ 79, 81, 85 },
};
int pop=scores.length*scores[1].length;
int sum=0;
for(int[] arr:scores)
{
for(int n:arr)
sum+=n;
}
double average=(1.0)*sum/pop;
System.out.println(average);
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康208970
int[][] scores = {
{ 82, 90, 91 },
{ 68, 72, 64 },
{ 95, 91, 89 },
{ 67, 52, 60 },
{ 79, 81, 85 },
};
int pop=scores.length*scores[1].length;
int sum=0;
for(int[] arr:scores)
{
for(int n:arr)
{
sum+=n;
}
}
double average=(1.0)*sum/pop;
System.out.println(average);