foo.cc: In function 'std::ostream& operator<<(std::ostream&, std::array<_Tp, _Nm>&)':
foo.cc:33:19: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   33 | #define REP(i, n) for (int i=0;i<n;++i)
      |                   ^~~
foo.cc:223:5: note: in expansion of macro 'REP'
  223 |     REP(i, N-1) out << a[i] << " "; if (N) out << a.back();
      |     ^~~
foo.cc:223:37: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  223 |     REP(i, N-1) out << a[i] << " "; if (N) out << a.back();
      |                                     ^~
foo.cc: In function 'std::ostream& operator<<(std::ostream&, std::vector<_Tp>&)':
foo.cc:33:19: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   33 | #define REP(i, n) for (int i=0;i<n;++i)
      |                   ^~~
foo.cc:227:5: note: in expansion of macro 'REP'
  227 |     REP(i, SZ(a)-1) out << a[i] << " "; if (SZ(a)) out << a.back();
      |     ^~~
foo.cc:227:41: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  227 |     REP(i, SZ(a)-1) out << a[i] << " "; if (SZ(a)) out << a.back();
      |                                         ^~
foo.cc: In function 'int main()':
foo.cc:36:21: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   36 | #define REP_1(i, n) for (int i=1;i<=n;++i)
      |                     ^~~
foo.cc:290:9: note: in expansion of macro 'REP_1'
  290 |         REP_1(j, i) checkMin(f[i][j], f[i][j-1] + v[j]); checkMin(f[i][1], f[i][i] + v[1]);
      |         ^~~~~
foo.cc:290:58: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  290 |         REP_1(j, i) checkMin(f[i][j], f[i][j-1] + v[j]); checkMin(f[i][1], f[i][i] + v[1]);
      |                                                          ^~~~~~~~
foo.cc:38:24: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   38 | #define DWN_1(i, b, a) for (int i=b;i>=a;--i)
      |                        ^~~
foo.cc:291:9: note: in expansion of macro 'DWN_1'
  291 |         DWN_1(j, i, 1) checkMin(f[i][j], f[i][j+1] + v[j]); checkMin(f[i][i], f[i][1] + v[i]);
      |         ^~~~~
foo.cc:291:61: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  291 |         DWN_1(j, i, 1) checkMin(f[i][j], f[i][j+1] + v[j]); checkMin(f[i][i], f[i][1] + v[i]);
      |                                                             ^~~~~~~~

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