Compilare: main.cpp: In function 'int main()': main.cpp:32:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (char i = 0; i < fisiere.size(); i++) ~~^~~~~~~~~~~~~~~~ main.cpp:14:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("search.in", "r", stdin); ^ main.cpp:15:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("search.out", "w", stdout); ^