Borderou de evaluare (job #762335)

Compilare: main.cpp: In function 'int main()': main.cpp:152:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<ob>::size_type' {aka 'unsigned int'} [-Wsign-compare] 152 | while (k < vec.size() and vec[k] < ob(i, j)) | ~~^~~~~~~~~~~~ main.cpp:155:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<ob>::size_type' {aka 'unsigned int'} [-Wsign-compare] 155 | while (k < vec.size() and vec[k].a == i and vec[k].b == j) | ~~^~~~~~~~~~~~ main.cpp: In member function 'char InParser::read_ch()': main.cpp:55:18: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 55 | fread(buff, 1, 4096, fin); | ~~~~~^~~~~~~~~~~~~~~~~~~~