Compilare: main.cpp: In function 'int Count(int)': main.cpp:33:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[p].size();i++) ~^~~~~~~~~~~~ main.cpp:36:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j<v[p].size() && v[p][j]-v[p][i]<=d) ~^~~~~~~~~~~~ main.cpp: In function 'void read(int&)': main.cpp:20:37: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, dim, stdin), p = 0; ^ main.cpp:24:37: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, dim, stdin), p = 0; ^ main.cpp: In function 'int main()': main.cpp:49:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("divk.in", "r", stdin); ^ main.cpp:50:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("divk.out", "w", stdout); ^