Compilare: user.cpp: In function ‘int cautamin(int, int, int)’: user.cpp:8:9: warning: unused variable ‘m’ [-Wunused-variable] int m,sol=-1; ^ user.cpp: In function ‘int cautamax(int, int, int)’: user.cpp:18:9: warning: unused variable ‘m’ [-Wunused-variable] int m,sol=-1; ^ user.cpp: In function ‘int main()’: user.cpp:27:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("teams.in","r",stdin); ^ user.cpp:28:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("teams.out","w",stdout); ^ user.cpp:29:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d",&n,&a,&b); ^ user.cpp:30:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (i=1;i<=n;i++) scanf("%d",&t[i]); ^