Eroare de compilare: main.cpp: In function 'int main()': main.cpp:53:41: error: 'memset' was not declared in this scope memset(prev_hash, 0, sizeof(prev_hash)); ^ main.cpp:60:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int len = 1; len <= input.size(); len++) ~~~~^~~~~~~~~~~~~~~ main.cpp:68:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = len; i < input.size(); i++) ~~^~~~~~~~~~~~~~ main.cpp: In function 'int toNumber(char)': main.cpp:25:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:46:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("strdup.in", "r", stdin); ^ main.cpp:47:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("strdup.out", "w", stdout); ^ Non zero exit status: 1