Compilare: user.cpp:6:0: warning: "HUGE" redefined [enabled by default] #define HUGE vector <int> ^ In file included from /usr/include/c++/4.8/cmath:44:0, 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/math.h:348:0: note: this is the location of the previous definition # define HUGE 3.40282347e+38F ^ user.cpp: In function ‘int main()’: user.cpp:70:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("tort.in","r",stdin); ^ user.cpp:71:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("tort.out","w",stdout); ^ user.cpp:74:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&a,&b); ^