foo.cc: In function 'int main()':
foo.cc:5:20: warning: unused variable 't' [-Wunused-variable]
    5 |  int a[100][100],n,t,b[100][100],c[100][100],x,y,max,min;
      |                    ^
foo.cc:5:48: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized]
    5 |  int a[100][100],n,t,b[100][100],c[100][100],x,y,max,min;
      |                                                ^
foo.cc:5:46: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]
    5 |  int a[100][100],n,t,b[100][100],c[100][100],x,y,max,min;
      |                                              ^

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