运行 ID: 23975

Main.cc: In function ‘void dfs(long long int, long long int)’:
Main.cc:83:17: error: ‘C’ was not declared in this scope
     if((clock()-C)*1000/CLOCK_PER_SEC>=2700)return ;
                 ^
Main.cc:83:25: error: ‘CLOCK_PER_SEC’ was not declared in this scope
     if((clock()-C)*1000/CLOCK_PER_SEC>=2700)return ;
                         ^~~~~~~~~~~~~
Main.cc:83:25: note: suggested alternative: ‘CLOCKS_PER_SEC’
     if((clock()-C)*1000/CLOCK_PER_SEC>=2700)return ;
                         ^~~~~~~~~~~~~
                         CLOCKS_PER_SEC
Main.cc:84:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(dep==E.size()){
        ~~~^~~~~~~~~~