Compilare: user.cpp: In function ‘void runDijkstra()’: user.cpp:38: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void runBfsAndMakeNetwork()’: user.cpp:69: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void printNetwork()’: user.cpp:92: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int increaseFlow()’: user.cpp:110: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:156: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:157: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:159: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:164: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void runDijkstra()’: user.cpp:30: warning: ‘nmin’ may be used uninitialized in this function