Borderou de evaluare (job #787343)

Compilare: main.cpp: In function 'long long int ways(int, int)': main.cpp:17:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 17 | for (int j = 0; j < stairs.size(); ++j) { | ~~^~~~~~~~~~~~~~~ main.cpp:23:27: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'unsigned int'} and 'int' [-Wsign-compare] 23 | if (stairs.size() > k) { | ~~~~~~~~~~~~~~^~~ main.cpp: In function 'int main()': main.cpp:34:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 34 | freopen("scara.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:35:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 35 | freopen("scara.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~