flood.cpp: In function 'int main()': flood.cpp:29: warning: unused variable 't' flood.cpp:29: warning: unused variable 'i' flood.cpp:29: warning: unused variable 'op' flood.cpp:29: warning: unused variable 'x' flood.cpp:29: warning: unused variable 'y' flood.cpp: In function 'void citire()': flood.cpp:66: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x flood.cpp:66: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x flood.cpp:82: warning: comparison between signed and unsigned integer expressions