foo.cc: In function 'int main()':
foo.cc:29:4: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
    if(strcmp(rec[k].name,names[i])==0);
    ^~
foo.cc:30:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
    {
    ^
foo.cc:21:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%s%s%d",&rec[i].id,rec[i].name,rec[i].phone,&rec[i].secs);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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