Compilare: user.cpp:14:1: warning: ‘typedef’ was ignored in this declaration [enabled by default] }; ^ user.cpp: In function ‘int main()’: user.cpp:75:39: warning: unused variable ‘ic’ [-Wunused-variable] int istart,jstart,istop,jstop,i,j,ic,jc,cost; ^ user.cpp:75:42: warning: unused variable ‘jc’ [-Wunused-variable] int istart,jstart,istop,jstop,i,j,ic,jc,cost; ^ user.cpp:73:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("padure.in","r",stdin); ^ user.cpp:74:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("padure.out","w",stdout); ^ user.cpp:76:67: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d %d %d",&n,&m,&istart,&jstart,&istop,&jstop); ^ user.cpp:79:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&padure[i][j]); ^