Compilare: main.cpp: In function 'void Insert(int)': main.cpp:19:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < hmap[Hash].size(); i++){ ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int Search(int)': main.cpp:30:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < hmap[Hash].size(); i++) ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void read()': main.cpp:12:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &N, &L); ^ main.cpp:14:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^ main.cpp: In function 'int main()': main.cpp:38:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("oite.in", "r", stdin); ^ main.cpp:39:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("oite.out", "w", stdout); ^