Compilare: main.cpp: In member function 'Query QueryManager::getQuery()': main.cpp:24:33: warning: narrowing conversion of '((((QueryManager*)this)->QueryManager::m * ((long long int)((QueryManager*)this)->QueryManager::c)) >> 32)' from 'long long int' to 'int' inside { } [-Wnarrowing] Query q = {i % N + 1, (m * c) >> 32}; ~~~~~~~~^~~~~ main.cpp: In member function 'void Chain::replaceRange(int, int)': main.cpp:58:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(depth + cntnodes.front() < zap.size()) ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~ main.cpp:68:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(depth + nr < zap.size()) ~~~~~~~~~~~^~~~~~~~~~~~ main.cpp: In member function 'void Chain::runSmen()': main.cpp:79:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i + 1 < zap.size(); ++i) ~~~~~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:169:24: warning: unused variable 'chain' [-Wunused-variable] int nod = query.nod, chain = chainId[nod]; ^~~~~ main.cpp: In function 'char getChar(FILE*)': main.cpp:121:30: 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, BUFSIZ, fin); ^ main.cpp: In function 'int main()': main.cpp:148:41: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d%d", &N, &M, &Q, &C); ^ main.cpp:158:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &father[i]); ^