Compilare: user.cpp: In function ‘void citire()’: user.cpp:19:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 1; i <= m ; ++ i) ^ user.cpp: In function ‘int main()’: user.cpp:43:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 1; i <= m ; ++ i) ^ user.cpp:6:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] #define B 62 ^ user.cpp:45:30: note: in expansion of macro ‘B’ for (j = 0; j <= n / B; ++ j) ^ user.cpp: In function ‘void citire()’: user.cpp:18:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld %lld", &n, &m); ^ user.cpp:21:42: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &v[i].x, &v[i].y); ^ user.cpp: In function ‘int main()’: user.cpp:40:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("triplete.in", "r", stdin); ^ user.cpp:41:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("triplete.out", "w", stdout); ^