运行 ID: 29355

Main.cc: In function ‘void dfs2(long long int, long long int)’:
Main.cc:11:23: error: break statement not within loop or switch
     if(tim>=90000000) break;
                       ^~~~~
Main.cc:24:10: warning: unused variable ‘res’ [-Wunused-variable]
     bool res=0;
          ^~~
Main.cc: In function ‘void slv()’:
Main.cc:64:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld%lld",&n,&m);
     ~~~~~^~~~~~~~~~~~~~~~~~