void test4(){
// int i,j;
int str[3][4] = {5,19,85,9,56,32,15,8,27,25,356,99};
for (int i1 = 0; i1 < 3 ; i1++) {
for (int j1 = 0; j1 < 4 ; j1++) {
for (int i = 0; i < 3 ; i++) {
for (int j = 0; j < 4 ; j++) {
if (str[i1][j1] < str[i][j]) {
str[i1][j1] = str[i1][j1] ^ str[i][j];
str[i][j] = str[i1][j1] ^ str[i][j];
str[i1][j1] = str[i1][j1] ^ str[i][j];
}
if(i1 == 2 && j1 == 3 ){
printf("%d \t",str[i][j]);
}
}
}
}
}
}//二位数组的排序测试
int main() {
test4();
}