/in/foo.cc: In function 'int main()':
/in/foo.cc:28:4: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
    if (!p) flag=1; if (!flag) ans+=end[p];
    ^~
/in/foo.cc:28:20: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
    if (!p) flag=1; if (!flag) ans+=end[p];
                    ^~