Compilare: user.cpp: In function ‘int find(int, int)’: user.cpp:17:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (minIndex >= a.size()) { ~~~~~~~~~^~~~~~~~~~~ user.cpp:27:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = minIndex; i < a.size(); ++i) { ~~^~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:42:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("jocul.in", "r", stdin); ^ user.cpp:43:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("jocul.out", "w", stdout); ^ user.cpp:45:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:51:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x); ^