foo.cc: In function ‘int main()’:
foo.cc:5:9: error: expected initializer before ‘int’
    5 |         int a[3][4];
      |         ^~~
foo.cc:9:26: error: ‘a’ was not declared in this scope
    9 |                     cin>>a[i][j];
      |                          ^
foo.cc:11:13: error: ‘a’ was not declared in this scope
   11 |         max=a[0][0];
      |             ^
foo.cc: In lambda function:
foo.cc:17:36: error: expected ‘{’ before ‘[’ token
   17 |                             max=[a][j];
      |                                    ^
foo.cc: In function ‘int main()’:
foo.cc:17:36: error: no match for ‘operator[]’ (operand types are ‘main()::<lambda()>’ and ‘int’)

正在同步测试数据，请稍后