Borderou de evaluare (job #811814)

Compilare: main.cpp: In function 'int main()': main.cpp:46:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 46 | for(int i = 0; i < v.size() && R < B; i ++) { | ~~^~~~~~~~~~ main.cpp:24:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 24 | freopen("acoperire.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:25:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 25 | freopen("acoperire.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:30:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 30 | scanf("%d%d%d", &A, &B, &n); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:33:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 33 | scanf("%d%d", &x, &y); | ~~~~~^~~~~~~~~~~~~~~~