Compilare: user.cpp:10:0: warning: "INFINITY" redefined [enabled by default] #define INFINITY 10003 ^ In file included from /usr/include/math.h:40:0, from /usr/include/c++/4.8/cmath:44, from /usr/include/c++/4.8/random:38, from /usr/include/c++/4.8/bits/stl_algo.h:65, from /usr/include/c++/4.8/algorithm:62, from user.cpp:3: /usr/include/i386-linux-gnu/bits/inf.h:27:0: note: this is the location of the previous definition # define INFINITY (__builtin_inff()) ^ user.cpp: In function ‘void Read()’: user.cpp:93:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d", &n, &m, &p); ^ user.cpp:94:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &v, &e); ^ user.cpp:101:63: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d %d %d", &gx, &gy, &gr, &gt, &gd); ^