Borderou de evaluare (job #783999)

Compilare: main.cpp: In function 'void generateDerangements(int, std::vector<int>&, std::vector<bool>&, std::vector<std::vector<int> >&)': main.cpp:8:21: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'unsigned int'} and 'int' [-Wsign-compare] 8 | if (perm.size() == n) { | ~~~~~~~~~~~~^~~~ main.cpp: In function 'int main()': main.cpp:38:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 38 | freopen("permfix.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:39:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 39 | freopen("permfix.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~