foo.cc: In function 'int main()':
foo.cc:38:29: error: 't' was not declared in this scope
   38 |                         if (t[j] + s[j+1][j+i] > t[j+i] + s[j][j+i-1])
      |                             ^
foo.cc:49:37: error: 't' was not declared in this scope
   49 |                                 if (t[m] + s[j][m-1] * s[m+1][j+i] > s[j][j+i])
      |                                     ^

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