Compilare: user.cpp: In function ‘int main()’: user.cpp:48:38: warning: variable ‘L1’ set but not used [-Wunused-but-set-variable] int N, range1, range2, toth = 0, L1, L2; ^ user.cpp:48:42: warning: variable ‘L2’ set but not used [-Wunused-but-set-variable] int N, range1, range2, toth = 0, L1, L2; ^ user.cpp:46:37: 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:47:39: 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:49:43: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d%d%d", &N, &range1, &range2); ^ user.cpp:52:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &i); ^