Compilare: user.cpp: In function ‘int solutie(int, int)’: user.cpp:51:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < auxiliar.size(); i++) ^ user.cpp:52:57: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = i + 1; j <= i + 7 && j < auxiliar.size(); j++) ^ user.cpp: In function ‘int main()’: user.cpp:60:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cmap.in", "r", stdin); ^ user.cpp:61:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cmap.out", "w", stdout); ^ user.cpp:64:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:67:37: 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); ^