foo.cc: In function 'void fv()':
foo.cc:9:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
    9 |         for(int i=1;i<=n;i++)v[i]=0;v[k1]=1;
      |         ^~~
foo.cc:9:37: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
    9 |         for(int i=1;i<=n;i++)v[i]=0;v[k1]=1;
      |                                     ^

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