Borderou de evaluare (job #710025)

Compilare: main.cpp: In function 'int main()': main.cpp:55:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 55 | for ( int i = 0; i < ans.size(); i ++ ) | ~~^~~~~~~~~~~~ main.cpp:31:9: warning: unused variable 'qfront' [-Wunused-variable] 31 | int qfront; | ^~~~~~ main.cpp:15:11: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 15 | fscanf(fin, "%d", &n); | ~~~~~~^~~~~~~~~~~~~~~ main.cpp:17:15: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 17 | fscanf(fin, "%d%d", &x, &y); | ~~~~~~^~~~~~~~~~~~~~~~~~~~~