rez.cpp: In function `int solveParal()': rez.cpp:15: warning: comparison between signed and unsigned integer expressions rez.cpp: In function `int solveSerie()': rez.cpp:41: warning: comparison between signed and unsigned integer expressions rez.cpp:46: warning: comparison between signed and unsigned integer expressions rez.cpp: In function `int getNumber()': rez.cpp:72: warning: comparison between signed and unsigned integer expressions rez.cpp:77: warning: comparison between signed and unsigned integer expressions rez.cpp:94: warning: control reaches end of non-void function rez.cpp: In function `int main()': rez.cpp:103: warning: comparison between signed and unsigned integer expressions /tmp/cc9MuKSw.o(.text+0x323): In function `main': : the `gets' function is dangerous and should not be used.