foo.cc: In function 'int main()':
foo.cc:5:25: warning: unused variable 't' [-Wunused-variable]
    5 |  int i, j, n, max, min, t, flag = 0;
      |                         ^
foo.cc:5:28: warning: unused variable 'flag' [-Wunused-variable]
    5 |  int i, j, n, max, min, t, flag = 0;
      |                            ^~~~

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