dragoni.cpp: In function `void read()': dragoni.cpp:19: warning: int format, different type arg (arg 2) dragoni.cpp:19: warning: int format, different type arg (arg 3) dragoni.cpp:19: warning: int format, different type arg (arg 4) dragoni.cpp: In function `void bfsCase1(int)': dragoni.cpp:38: warning: comparison between signed and unsigned integer expressions dragoni.cpp: In function `void doCase2()': dragoni.cpp:72: warning: comparison between signed and unsigned integer expressions