foo.cc: In function 'int getint()':
foo.cc:23:1: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
 while((c<'0' || c>'9') && c!='-') c=getchar(); if(c=='-') q=1,c=getchar();
 ^~~~~
foo.cc:23:48: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
 while((c<'0' || c>'9') && c!='-') c=getchar(); if(c=='-') q=1,c=getchar();
                                                ^~
foo.cc:24:1: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
 while (c>='0' && c<='9') w=w*10+c-'0', c=getchar(); return q ? -w : w;
 ^~~~~
foo.cc:24:53: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
 while (c>='0' && c<='9') w=w*10+c-'0', c=getchar(); return q ? -w : w;
                                                     ^~~~~~
foo.cc: In function 'int main()':
foo.cc:59:8: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
 freopen("2001.in","r",stdin);
 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
foo.cc:60:8: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
 freopen("2001.out","w",stdout);
 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

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