paralel.cpp: In function `int main()': paralel.cpp:50: warning: int format, different type arg (arg 2) paralel.cpp:50: warning: int format, different type arg (arg 3) paralel.cpp:54: warning: comparison between signed and unsigned integer expressions paralel.cpp:55: warning: comparison between signed and unsigned integer expressions paralel.cpp:59: warning: comparison between signed and unsigned integer expressions