In file included from /in/driver/main.cpp:1:0:
/in/shortestP2P.hpp: In member function 'void ShortestP2P::calculateShortestPaths()':
/in/shortestP2P.hpp:121:45: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
                         if (countInQueue[v] >= vertices) { // 如果节点v被加入队列的次数超过顶点数，则检测到负权环
cc1plus: all warnings being treated as errors