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public class crosssum{
public static void main(string args[]){
int [][]a = {{1,2,3,4,5},
{6,7,8,9,10},
{11,12,13,14,15},
{16,17,18,19,20},
{21,22,23,24,25}} ;
int transverse =0; //横
int vertical =0; //竖
for(int i = 0; i < 5; i++){
transverse = transverse+ a[2][i]; //通过下标访问
}
for(int j = 0; j < 5; j++){
vertical = vertical+ a[2][j];
}
system.out.println("5*5数组十字和为"+(transverse+vertical));
}
}
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?
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public class leftsum{
public static void main(string args[]){
int [][]a = {{1,2,3,4,5},
{6,7,8,9,10},
{11,12,13,14,15},
{16,17,18,19,20},
{21,22,23,24,25}} ;
int sum =0;
for(int i = 0; i < 5; i++){
sum = sum+ a[i][i];
}
system.out.println("5*5数组↘="+sum);
}
}
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?
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public class rightsum{
public static void main(string args[]){
int [][]a = {{1,2,3,4,5},
{6,7,8,9,10},
{11,12,13,14,15},
{16,17,18,19,20},
{21,22,23,24,25}} ;
int sum =0;
for(int j = 4; j >=0; j--){
sum = sum+ a[j][j];
}
system.out.println("5*5数组↙="+sum);
}
}
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原文链接：https://www.idaobin.com/archives/352.html
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