Compilare: user.cpp: In function ‘void citire()’: user.cpp:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:42: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void leeRobot1()’: user.cpp:119: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void leeRobot2()’: user.cpp:148: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void solveSecond()’: user.cpp:181: warning: comparison between signed and unsigned integer expressions user.cpp:183: warning: comparison between signed and unsigned integer expressions user.cpp:179: warning: unused variable ‘dist’ user.cpp: In function ‘int main()’: user.cpp:228: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result